Skip to main content
Population Review

Census ACS 5-Year · 500 counties

Most Racially Diverse US Counties

The most diverse US counties cluster in California, Hawaii, Texas, the New York metro, and the Mississippi Delta. Hawaii counties consistently lead, with no single racial group forming a majority. Other top counties include immigration gateways like Queens (NY), Miami-Dade (FL), and Los Angeles (CA), plus Mississippi Delta counties with majority-Black populations. Diversity at the county level shapes school district demographics, language access needs, and political representation.

Key Findings

  • 1Kusilvak Census Area, AK leads with a White population percentage (lower = more diverse) of 3.2%, followed by Patillas Municipio, (4.9%) and San Lorenzo Municipio, (6.5%).
  • 2The gap between #1 Kusilvak Census Area, AK and #500 Brooks County, GA (57.4%) is 54.2 percentage points.
  • 3The national median across all states is 43.3% (Early County, GA at the midpoint).
  • 4The top 10 states are: Kusilvak Census Area, AK, Patillas Municipio, , San Lorenzo Municipio, , Oglala Lakota County, SD, Yabucoa Municipio, , Todd County, SD, Las Piedras Municipio, , Maunabo Municipio, , Bethel Census Area, AK, McKinley County, NM.

Full Ranking: Most Racially Diverse US Counties

Source: Census ACS 5-Year Estimates

#CountyStateWhite %Hispanic %Asian %
1Ziebach County, SDSD27.3%72.0%0.0%
2Zavala County, TXTX36.4%0.8%0.0%
3Zapata County, TXTX39.5%0.0%0.0%
4Yuma County, AZAZ48.4%3.1%0.1%
5Yukon-Koyukuk Census Area, AKAK22.7%73.5%0.0%
6Yolo County, CACA54.8%2.8%0.0%
7Yazoo County, MSMS39.3%0.7%0.0%
8Yakutat City and Borough, AKAK24.7%41.9%0.4%
9Yakima County, WAWA52.8%5.8%0.0%
10Yabucoa Municipio, 6.7%0.1%0.0%
11Wyandotte County, KSKS46.5%3.7%0.0%
12Wrangell City and Borough, AKAK55.1%33.3%0.0%
13Winston County, MSMS49.7%1.4%0.0%
14Wilson County, NCNC46.1%1.0%0.0%
15Williamsburg County, SCSC32.7%0.7%0.0%
16Willacy County, TXTX56.8%0.6%0.0%
17Wilkinson County, MSMS28.2%1.0%0.0%
18Wilkinson County, GAGA55.4%0.7%0.0%
19Wilkes County, GAGA52.0%0.8%0.0%
20Wilcox County, ALAL27.6%0.7%0.0%
21Westchester County, NYNY54.7%1.3%0.0%
22West Feliciana Parish, LALA50.5%1.7%0.0%
23West Baton Rouge Parish, LALA54.3%0.7%0.0%
24Webster County, GAGA46.0%4.3%0.0%
25Webb County, TXTX37.7%0.5%0.0%
26Wayne County, NCNC55.0%1.2%0.0%
27Wayne County, MSMS56.7%0.7%0.0%
28Wayne County, MIMI50.0%1.5%0.0%
29Washington County, NCNC46.6%1.3%0.0%
30Washington County, MSMS24.3%0.3%0.0%
31Washington County, GAGA42.3%0.7%0.0%
32Warren County, NCNC38.5%6.7%0.0%
33Warren County, MSMS46.7%1.1%0.0%
34Warren County, GAGA39.4%0.7%0.0%
35Walthall County, MSMS53.1%1.9%0.0%
36Waller County, TXTX46.6%2.9%0.0%
37Villalba Municipio, 34.7%0.1%0.0%
38Vieques Municipio, 12.6%0.0%0.0%
39Vega Baja Municipio, 25.3%0.2%0.0%
40Vega Alta Municipio, 21.9%0.5%0.0%
41Vance County, NCNC38.5%2.2%0.0%
42Valencia County, NMNM55.8%7.6%0.7%
43Utuado Municipio, 55.6%1.3%0.0%
44Upton County, TXTX43.3%1.0%0.0%
45Union County, NJNJ41.7%1.1%0.0%
46Tyrrell County, NCNC56.4%0.7%0.0%
47Twiggs County, GAGA55.4%1.9%0.0%
48Turner County, GAGA55.9%2.5%0.0%
49Tunica County, MSMS18.2%0.1%0.0%
50Tulare County, CACA42.6%3.3%0.0%
51Trujillo Alto Municipio, 38.3%1.9%0.0%
52Troup County, GAGA55.8%0.9%0.0%
53Todd County, SDSD8.1%87.1%0.1%
54Toa Baja Municipio, 25.6%0.8%0.0%
55Toa Alta Municipio, 36.3%0.5%0.0%
56Titus County, TXTX56.7%2.2%0.0%
57Tift County, GAGA57.2%1.6%0.0%
58Thurston County, NENE36.9%58.3%1.3%
59Texas County, OKOK51.2%7.0%0.0%
60Terry County, TXTX56.9%1.1%0.0%
61Terrell County, GAGA36.4%0.3%0.0%
62Tensas Parish, LALA41.6%0.5%0.0%
63Telfair County, GAGA51.8%0.7%0.0%
64Tarrant County, TXTX52.1%1.8%0.0%
65Tallahatchie County, MSMS36.2%1.0%0.0%
66Taliaferro County, GAGA41.7%0.9%0.0%
67Talbot County, GAGA40.7%1.2%0.0%
68Sutton County, TXTX49.2%1.2%0.0%
69Sutter County, CACA50.3%4.3%0.0%
70Sussex County, VAVA40.3%1.1%0.0%
71Surry County, VAVA55.8%1.1%0.0%
72Sunflower County, MSMS23.4%0.5%0.0%
73Sumter County, SCSC45.1%1.3%0.0%
74Sumter County, GAGA41.4%3.1%0.0%
75Sumter County, ALAL25.9%1.0%0.0%
76Suffolk County, MAMA48.1%1.3%0.0%
77Suffolk city, VAVA47.5%1.6%0.0%
78Stewart County, GAGA27.4%2.3%0.0%
79Starr County, TXTX44.2%0.3%0.0%
80Stanislaus County, CACA50.1%3.3%0.0%
81Stafford County, VAVA57.2%1.5%0.0%
82St. Mary Parish, LALA56.1%2.8%0.0%
83St. Louis city, MOMO45.7%1.3%0.0%
84St. Landry Parish, LALA53.4%1.1%0.0%
85St. John the Baptist Parish, LALA32.3%0.9%0.0%
86St. James Parish, LALA49.7%0.5%0.0%
87St. Helena Parish, LALA46.5%1.9%0.0%
88St. Francis County, ARAR41.1%1.1%0.0%
89Spalding County, GAGA56.9%0.8%0.0%
90Somerset County, NJNJ54.1%1.1%0.0%
91Somerset County, MDMD52.2%3.4%0.0%
92Solano County, CACA42.7%2.8%0.0%
93Socorro County, NMNM52.2%13.3%10.1%
94Sioux County, NDND12.4%86.5%0.1%
95Shelby County, TNTN35.0%1.0%0.0%
96Sharkey County, MSMS25.6%0.0%0.0%
97Seward County, KSKS40.5%2.4%0.0%
98Screven County, GAGA56.0%2.4%0.0%
99Scott County, MSMS50.3%0.8%0.0%
100Scotland County, NCNC41.0%15.0%0.0%
101Santa Isabel Municipio, 18.7%0.2%0.0%
102Santa Cruz County, AZAZ42.1%1.3%0.1%
103Santa Clara County, CACA33.2%1.9%0.0%
104Santa Barbara County, CACA54.3%3.6%0.0%
105Sandoval County, NMNM56.1%15.6%3.5%
106San Miguel County, NMNM50.4%5.5%1.2%
107San Mateo County, CACA40.7%2.2%0.0%
108San Lorenzo Municipio, 6.5%0.8%0.0%
109San Juan Municipio, 32.2%1.1%0.0%
110San Juan County, UTUT46.7%48.7%43.9%
111San Juan County, NMNM42.6%43.0%37.5%
112San Joaquin County, CACA37.1%6.1%0.0%
113San Francisco County, CACA40.5%1.8%0.0%
114San Diego County, CACA53.0%2.5%0.0%
115San Bernardino County, CACA39.1%3.0%0.1%
116San Benito County, CACA45.1%4.5%0.0%
117Sampson County, NCNC53.2%3.0%0.0%
118Salinas Municipio, 17.6%0.7%0.0%
119Sacramento County, CACA47.2%3.1%0.0%
120Russell County, ALAL46.6%1.2%0.0%
121Rosebud County, MTMT54.3%40.9%0.4%
122Roosevelt County, MTMT33.2%64.3%0.2%
123Rolette County, NDND18.5%80.3%0.0%
124Rockdale County, GAGA28.3%1.7%0.0%
125Robeson County, NCNC24.8%41.5%0.0%
126Riverside County, CACA42.2%3.1%0.0%
127Río Grande Municipio, 18.7%0.5%0.0%
128Rio Arriba County, NMNM27.9%19.5%2.2%
129Rincón Municipio, 21.4%54.1%0.0%
130Richmond County, NCNC56.9%3.5%0.4%
131Richmond County, GAGA33.4%1.2%0.0%
132Richmond city, VAVA43.2%1.3%0.0%
133Richland County, SCSC41.3%1.3%0.0%
134Reeves County, TXTX41.7%1.4%0.0%
135Reagan County, TXTX38.1%2.7%0.0%
136Randolph County, GAGA27.4%1.2%0.0%
137Quitman County, MSMS25.0%0.6%0.0%
138Quitman County, GAGA48.4%0.7%0.0%
139Queens County, NYNY28.3%1.6%0.0%
140Pulaski County, ARAR50.8%1.3%0.0%
141Prince William County, VAVA46.6%1.9%0.0%
142Prince of Wales-Hyder Census Area, AKAK44.5%50.7%0.2%
143Prince George's County, MDMD13.2%1.9%0.0%
144Prince George County, VAVA54.8%2.2%0.0%
145Presidio County, TXTX36.9%2.5%0.0%
146Portsmouth city, VAVA36.9%2.6%0.0%
147Ponce Municipio, 41.3%0.8%0.0%
148Pitt County, NCNC53.0%1.1%0.0%
149Pike County, MSMS42.0%1.0%0.0%
150Pike County, ALAL56.1%1.5%0.0%
151Phillips County, ARAR34.4%0.9%0.0%
152Philadelphia County, PAPA36.1%1.6%0.0%
153Petersburg city, VAVA15.9%0.3%0.0%
154Perry County, ALAL28.0%0.7%0.0%
155Peach County, GAGA46.8%1.3%0.0%
156Patillas Municipio, 4.9%0.0%0.0%
157Passaic County, NJNJ46.7%1.0%0.0%
158Pasquotank County, NCNC55.6%1.9%0.0%
159Panola County, MSMS47.0%0.5%0.0%
160Palm Beach County, FLFL57.4%1.0%0.0%
161Ouachita Parish, LALA56.7%1.0%0.0%
162Ouachita County, ARAR55.2%1.5%0.0%
163Osceola County, FLFL43.4%1.3%0.0%
164Orocovis Municipio, 35.6%1.2%0.0%
165Orleans Parish, LALA31.6%1.6%0.0%
166Orangeburg County, SCSC34.3%1.2%0.0%
167Orange County, FLFL46.6%1.3%0.0%
168Orange County, CACA46.4%2.0%0.0%
169Oktibbeha County, MSMS55.8%1.1%0.0%
170Oglala Lakota County, SDSD6.6%92.3%0.0%
171Nueces County, TXTX54.8%1.3%0.0%
172Noxubee County, MSMS25.4%0.3%0.0%
173Nottoway County, VAVA55.3%2.0%0.0%
174Northwest Arctic Borough, AKAK10.4%85.2%0.1%
175Northampton County, NCNC39.7%2.3%0.0%
176North Slope Borough, AKAK31.6%54.0%0.0%
177Norfolk city, VAVA44.0%1.7%0.0%
178Nome Census Area, AKAK14.1%81.8%0.0%
179Newton County, GAGA42.0%1.6%0.0%
180Newport News city, VAVA42.3%1.2%0.0%
181New York County, NYNY50.4%1.5%0.0%
182New Castle County, DEDE56.5%1.1%0.0%
183Navajo County, AZAZ45.4%45.8%25.4%
184Natchitoches Parish, LALA51.0%2.5%0.0%
185NASH County, NCNC48.2%1.7%0.0%
186Naranjito Municipio, 33.5%0.0%0.0%
187Naguabo Municipio, 19.4%0.0%0.0%
188Muskogee County, OKOK55.9%26.8%0.0%
189Muscogee County, GAGA39.3%1.3%0.0%
190Morovis Municipio, 27.6%0.5%0.0%
191Morehouse Parish, LALA47.9%1.4%0.0%
192Mora County, NMNM52.3%3.7%0.9%
193Montgomery County, MSMS52.3%1.5%0.0%
194Montgomery County, MDMD44.4%1.5%0.0%
195Montgomery County, ALAL31.8%0.8%0.0%
196Monterey County, CACA36.5%2.5%0.0%
197Monroe County, ARAR53.4%1.5%0.0%
198Monroe County, ALAL53.7%1.9%0.0%
199Mobile County, ALAL56.1%1.7%0.0%
200Mitchell County, GAGA47.2%0.7%0.0%
201Milwaukee County, WIWI52.4%1.7%0.0%
202Middlesex County, NJNJ44.2%1.7%0.0%
203Miami-Dade County, FLFL36.9%0.6%0.0%
204Mercer County, NJNJ49.8%1.4%0.0%
205Merced County, CACA36.0%3.0%0.2%
206Menominee County, WIWI12.4%86.2%0.0%
207Mellette County, SDSD31.6%67.4%0.2%
208Mecklenburg County, NCNC46.5%1.3%0.0%
209McKinley County, NMNM9.8%80.8%62.7%
210McDuffie County, GAGA55.0%1.0%0.0%
211McCormick County, SCSC54.7%0.6%0.0%
212Mayagüez Municipio, 15.2%0.5%0.0%
213Maverick County, TXTX34.7%1.9%0.0%
214Maunabo Municipio, 8.2%0.5%0.0%
215Maui County, HIHI31.0%2.5%0.0%
216Matagorda County, TXTX55.9%1.1%0.0%
217Martinsville city, VAVA43.1%0.8%0.0%
218Martin County, NCNC51.6%1.2%0.0%
219Marshall County, MSMS47.2%2.6%0.0%
220Marlboro County, SCSC38.7%6.2%0.0%
221Marion County, SCSC38.5%1.9%0.0%
222Marion County, ININ54.2%1.6%0.0%
223Marengo County, ALAL45.0%0.9%0.0%
224Manatí Municipio, 24.7%0.5%0.0%
225Manassas Park city, VAVA40.3%3.6%0.0%
226Manassas city, VAVA50.5%2.0%0.0%
227Mahnomen County, MNMN45.3%52.3%0.0%
228Madison Parish, LALA33.8%0.8%0.0%
229Madison County, TNTN54.5%1.8%0.0%
230Madison County, MSMS55.5%0.4%0.0%
231Madison County, FLFL56.1%1.5%0.0%
232Madera County, CACA44.1%5.0%0.0%
233Macon County, GAGA33.5%1.1%0.1%
234Macon County, ALAL17.1%1.6%0.0%
235Luquillo Municipio, 19.9%0.1%0.0%
236Luna County, NMNM54.9%2.6%0.1%
237Lowndes County, MSMS50.2%1.3%0.0%
238Lowndes County, GAGA52.7%1.4%0.0%
239Lowndes County, ALAL24.5%0.3%0.0%
240Loudoun County, VAVA55.4%1.2%0.0%
241Los Angeles County, CACA35.4%2.7%0.0%
242Long County, GAGA55.7%2.9%0.0%
243Loíza Municipio, 12.1%0.2%0.0%
244Lincoln Parish, LALA53.6%3.1%0.0%
245Liberty County, GAGA39.7%1.9%0.0%
246Leon County, FLFL56.5%1.0%0.0%
247Lenoir County, NCNC50.6%1.4%0.0%
248Leflore County, MSMS21.4%0.2%0.0%
249Lee County, SCSC34.0%1.2%0.0%
250Lee County, ARAR40.0%0.7%0.0%
251Leake County, MSMS46.7%6.5%0.0%
252Lea County, NMNM52.3%1.6%0.2%
253Laurens County, GAGA57.1%0.7%0.0%
254Lauderdale County, MSMS51.6%1.1%0.0%
255Las Piedras Municipio, 8.2%0.1%0.0%
256Lake County, ININ57.2%1.4%0.0%
257Lake and Peninsula Borough, AKAK16.4%78.6%0.0%
258Lajas Municipio, 50.9%0.2%0.0%
259La Salle County, TXTX42.7%1.3%0.0%
260Kusilvak Census Area, AKAK3.2%93.8%0.1%
261Kodiak Island Borough, AKAK50.9%17.2%0.1%
262Kleberg County, TXTX53.4%1.6%0.6%
263Kings County, NYNY39.3%1.3%0.0%
264Kings County, CACA46.0%3.1%0.1%
265King County, WAWA56.7%2.3%0.0%
266Kern County, CACA49.2%2.9%0.0%
267Kenedy County, TXTX19.2%1.9%0.0%
268Kemper County, MSMS33.7%4.7%0.0%
269Kauai County, HIHI30.1%3.1%0.0%
270Kalawao County, HIHI25.6%11.6%11.6%
271Juncos Municipio, 36.2%2.4%0.0%
272Juana Díaz Municipio, 15.4%0.3%0.0%
273Jim Hogg County, TXTX55.5%0.0%0.0%
274Jefferson Parish, LALA52.7%2.2%0.0%
275Jefferson Davis County, MSMS38.1%0.5%0.0%
276Jefferson County, TXTX44.1%1.3%0.0%
277Jefferson County, MSMS13.2%4.6%0.0%
278Jefferson County, GAGA43.1%1.1%0.0%
279Jefferson County, ARAR37.6%1.3%0.0%
280Jefferson County, ALAL49.3%1.1%0.0%
281Jayuya Municipio, 56.9%0.0%0.0%
282Jasper County, SCSC47.0%1.9%0.0%
283Jasper County, MSMS45.2%0.5%0.0%
284Jackson County, SDSD36.2%63.1%0.0%
285Issaquena County, MSMS26.6%1.6%0.0%
286Isabela Municipio, 52.9%0.4%0.0%
287Imperial County, CACA30.4%2.7%0.0%
288Iberville Parish, LALA48.2%2.0%0.0%
289Iberia Parish, LALA57.3%2.1%0.0%
290Humphreys County, MSMS20.3%0.3%0.0%
291Humacao Municipio, 14.6%0.0%0.0%
292Hudspeth County, TXTX36.6%5.1%0.0%
293Hudson County, NJNJ37.0%1.9%0.0%
294Howard County, MDMD48.9%1.3%0.0%
295Houston County, GAGA55.0%1.4%0.0%
296Hormigueros Municipio, 29.2%0.1%0.0%
297Hopewell city, VAVA44.4%1.3%0.0%
298Hoonah-Angoon Census Area, AKAK51.1%41.0%0.0%
299Honolulu County, HIHI18.8%2.3%0.0%
300Holmes County, MSMS14.2%1.0%0.0%
301Hoke County, NCNC40.8%10.0%0.0%
302Hinds County, MSMS23.6%0.8%0.0%
303Hillsborough County, FLFL54.8%1.3%0.0%
304Hidalgo County, TXTX39.5%0.8%0.0%
305Hertford County, NCNC35.2%2.6%0.0%
306Henry County, GAGA36.7%1.4%0.0%
307Henrico County, VAVA51.3%1.2%0.0%
308Hendry County, FLFL55.2%3.1%0.0%
309Hempstead County, ARAR55.5%1.6%0.0%
310Haywood County, TNTN43.6%1.0%0.0%
311Hawaii County, HIHI31.1%4.0%0.0%
312Harris County, TXTX40.1%2.1%0.0%
313Harding County, NMNM50.5%0.7%0.3%
314Hardeman County, TNTN54.1%2.9%0.0%
315Hancock County, GAGA26.4%0.6%0.0%
316Hampton County, SCSC40.4%0.7%0.0%
317Hampton city, VAVA37.5%2.6%0.0%
318Halifax County, NCNC37.2%5.1%0.0%
319Hale County, ALAL38.4%0.5%0.0%
320Gwinnett County, GAGA36.1%1.3%0.0%
321Gurabo Municipio, 34.5%1.0%0.0%
322Guilford County, NCNC49.1%1.7%0.0%
323Guaynabo Municipio, 30.2%0.6%0.0%
324Guayama Municipio, 48.3%0.6%0.0%
325Guánica Municipio, 56.1%0.2%0.0%
326Guadalupe County, NMNM43.0%9.1%2.8%
327Grenada County, MSMS51.1%0.6%0.0%
328Greensville County, VAVA36.3%4.3%0.0%
329Greene County, NCNC49.3%4.4%0.0%
330Greene County, ALAL17.9%0.1%0.0%
331Granville County, NCNC57.1%2.1%0.0%
332Glacier County, MTMT30.5%65.7%0.1%
333Gadsden County, FLFL33.9%1.8%0.0%
334Fulton County, GAGA39.4%1.0%0.0%
335Frio County, TXTX46.6%1.1%0.0%
336Fresno County, CACA41.8%3.1%0.0%
337Franklin County, WAWA51.8%3.2%0.0%
338Franklin city, VAVA38.1%3.8%0.0%
339Fort Bend County, TXTX37.0%1.5%0.0%
340Forrest County, MSMS57.2%0.8%0.0%
341Ford County, KSKS56.3%3.2%0.3%
342Florida Municipio, 25.5%1.0%0.0%
343Florence County, SCSC50.5%0.7%0.0%
344Finney County, KSKS53.5%1.7%0.0%
345Fajardo Municipio, 21.5%0.5%0.0%
346Fairfield County, SCSC38.7%1.0%0.0%
347Fairfax County, VAVA51.4%1.5%0.0%
348Fairfax city, VAVA56.3%1.5%0.0%
349Evans County, GAGA55.3%2.1%0.0%
350Essex County, VAVA55.9%1.3%0.0%
351Essex County, NJNJ33.2%1.1%0.0%
352Emporia city, VAVA20.6%0.9%0.0%
353El Paso County, TXTX39.2%2.0%0.0%
354Edgecombe County, NCNC37.8%1.0%0.0%
355Ector County, TXTX53.3%2.0%0.1%
356East Feliciana Parish, LALA54.7%2.8%0.0%
357East Carroll Parish, LALA29.4%1.4%0.3%
358East Baton Rouge Parish, LALA43.2%1.1%0.0%
359Early County, GAGA43.3%1.3%0.0%
360Duval County, FLFL52.8%1.2%0.0%
361Durham County, NCNC45.5%1.8%0.0%
362Douglas County, GAGA36.4%1.4%0.0%
363Dougherty County, GAGA23.9%0.9%0.0%
364Dorado Municipio, 31.4%0.7%0.0%
365Dooly County, GAGA41.8%2.3%0.0%
366Doña Ana County, NMNM48.9%2.9%0.3%
367District of Columbia, DCDC39.1%1.6%0.0%
368Dimmit County, TXTX30.5%1.9%0.0%
369Dillon County, SCSC45.3%3.9%0.0%
370Dillingham Census Area, AKAK15.3%81.1%0.0%
371Dewey County, SDSD20.2%78.1%0.0%
372Desha County, ARAR44.9%0.2%0.1%
373DeKalb County, GAGA30.1%2.5%0.0%
374Decatur County, GAGA50.0%1.4%0.0%
375Deaf Smith County, TXTX52.8%1.9%0.0%
376De Baca County, NMNM39.2%0.1%0.0%
377Dawson County, TXTX54.6%1.8%0.0%
378Davidson County, TNTN57.1%1.3%0.0%
379Darlington County, SCSC54.5%1.1%0.0%
380Danville city, VAVA40.7%1.3%0.0%
381Dallas County, TXTX40.8%2.0%0.0%
382Dallas County, ARAR52.9%1.3%0.0%
383Dallas County, ALAL27.2%0.7%0.0%
384Dakota County, NENE47.7%5.1%0.3%
385Cumberland County, NJNJ52.0%3.0%0.0%
386Cumberland County, NCNC43.9%3.6%0.0%
387Culebra Municipio, 25.4%0.0%0.0%
388Culberson County, TXTX46.2%2.8%1.9%
389Crockett County, TXTX37.1%0.1%0.0%
390Crittenden County, ARAR40.4%5.5%0.0%
391Crisp County, GAGA50.9%1.0%0.0%
392Crane County, TXTX39.3%0.8%0.0%
393Costilla County, COCO52.4%7.8%0.8%
394Corson County, SDSD30.1%69.4%0.0%
395Corozal Municipio, 31.5%0.9%0.0%
396Copper River Census Area, AKAK53.4%43.0%0.0%
397Copiah County, MSMS43.2%0.9%0.0%
398Cook County, ILIL46.4%1.7%0.0%
399Contra Costa County, CACA43.5%2.6%0.0%
400Conecuh County, ALAL50.2%0.9%0.0%
401Concordia Parish, LALA57.0%1.0%0.0%
402Comerío Municipio, 30.5%0.5%0.0%
403Colusa County, CACA51.2%3.2%0.0%
404Colquitt County, GAGA57.3%2.3%0.0%
405Collin County, TXTX57.0%1.5%0.0%
406Colfax County, NENE51.7%9.1%0.0%
407Coconino County, AZAZ57.0%28.3%21.7%
408Cochran County, TXTX47.8%1.3%0.0%
409Cobb County, GAGA50.5%1.6%0.0%
410Coamo Municipio, 18.6%0.2%0.0%
411Coahoma County, MSMS19.5%1.6%0.0%
412Clayton County, GAGA11.5%1.4%0.0%
413Clay County, MSMS37.9%1.1%0.0%
414Clay County, GAGA39.8%0.4%0.0%
415Clarke County, ALAL51.5%0.6%0.0%
416Clark County, NVNV47.1%2.5%0.1%
417Clarendon County, SCSC50.1%1.0%0.0%
418Claiborne Parish, LALA44.9%0.4%0.0%
419Claiborne County, MSMS10.9%1.0%0.0%
420Cidra Municipio, 32.7%2.6%0.0%
421Cibola County, NMNM35.3%47.2%15.8%
422Ciales Municipio, 34.1%1.7%0.0%
423Choctaw County, ALAL56.7%2.3%0.0%
424Chicot County, ARAR41.0%1.5%0.0%
425Chickasaw County, MSMS50.3%0.5%0.0%
426Chesapeake city, VAVA56.2%1.5%0.0%
427Cherokee County, OKOK46.9%45.0%0.1%
428Chatham County, GAGA47.7%1.3%0.0%
429Charlton County, GAGA56.9%2.5%0.0%
430Charles County, MDMD35.4%3.0%0.0%
431Charles City County, VAVA44.9%9.5%0.0%
432Chambers County, ALAL55.4%0.8%0.0%
433Ceiba Municipio, 17.0%1.0%0.0%
434Cayey Municipio, 36.7%2.0%0.0%
435Cataño Municipio, 25.5%0.4%0.0%
436Castro County, TXTX54.0%1.9%0.0%
437Carolina Municipio, 28.3%0.7%0.0%
438Canóvanas Municipio, 21.5%0.8%0.0%
439Cameron County, TXTX50.0%1.0%0.0%
440Camden County, NJNJ56.4%1.4%0.0%
441Calhoun County, SCSC55.2%1.0%0.0%
442Calhoun County, GAGA34.0%1.6%0.0%
443Caguas Municipio, 45.1%1.3%0.0%
444Caddo Parish, LALA43.8%1.1%0.0%
445Cabo Rojo Municipio, 50.7%6.8%0.0%
446Butler County, ALAL51.2%0.8%0.0%
447Burke County, GAGA50.1%1.0%0.0%
448Bullock County, ALAL22.9%0.1%0.0%
449Buffalo County, SDSD21.7%76.2%0.0%
450Brunswick County, VAVA41.2%1.3%0.0%
451Broward County, FLFL42.6%1.3%0.0%
452Brooks County, TXTX51.8%0.1%0.0%
453Brooks County, GAGA57.4%0.9%0.0%
454Bronx County, NYNY15.8%2.6%0.0%
455Bristol Bay Borough, AKAK48.2%33.7%0.0%
456Brazoria County, TXTX53.5%1.5%0.0%
457Bolivar County, MSMS30.7%0.3%0.0%
458Blaine County, MTMT44.3%53.4%0.0%
459Bladen County, NCNC54.9%4.1%0.0%
460Big Horn County, MTMT28.7%68.3%0.4%
461Bienville Parish, LALA54.3%1.5%0.0%
462Bibb County, GAGA36.0%1.2%0.0%
463Bexar County, TXTX49.4%2.9%0.0%
464Bethel Census Area, AKAK8.7%87.8%0.0%
465Bertie County, NCNC34.7%1.8%0.0%
466Bernalillo County, NMNM54.8%7.7%2.6%
467Benson County, NDND43.0%54.8%0.0%
468Bennett County, SDSD37.3%59.5%0.0%
469Ben Hill County, GAGA57.3%0.9%0.0%
470Bell County, TXTX52.1%2.6%0.0%
471Bee County, TXTX57.3%3.7%0.1%
472Bayamón Municipio, 24.5%0.7%0.0%
473Bastrop County, TXTX56.6%3.6%0.0%
474Barranquitas Municipio, 42.4%0.3%0.0%
475Barnwell County, SCSC52.2%1.6%0.0%
476Barceloneta Municipio, 22.3%0.9%0.0%
477Barbour County, ALAL44.0%0.9%0.0%
478Bamberg County, SCSC37.8%0.7%0.0%
479Baltimore County, MDMD54.1%1.2%0.0%
480Baltimore city, MDMD27.4%1.3%0.0%
481Baldwin County, GAGA52.5%0.7%0.0%
482Baker County, GAGA49.0%1.4%0.0%
483Attala County, MSMS52.3%1.0%0.0%
484Atascosa County, TXTX54.5%1.9%0.0%
485Arroyo Municipio, 44.6%1.2%0.0%
486Arecibo Municipio, 24.0%0.7%0.0%
487Apache County, AZAZ20.2%74.4%68.3%
488Anson County, NCNC45.3%1.6%0.0%
489Añasco Municipio, 25.5%42.1%0.0%
490Allendale County, SCSC24.2%2.2%0.0%
491Alexandria city, VAVA53.6%1.7%0.0%
492Aleutians West Census Area, AKAK24.6%11.4%0.0%
493Aleutians East Borough, AKAK16.6%43.8%0.0%
494Alameda County, CACA32.0%2.1%0.0%
495Aibonito Municipio, 21.0%1.3%0.0%
496Aguas Buenas Municipio, 36.6%1.4%0.0%
497Aguada Municipio, 36.7%46.3%0.0%
498Adams County, WAWA47.8%4.5%0.0%
499Adams County, MSMS38.4%0.7%0.0%
500Adair County, OKOK40.4%52.2%0.0%

Methodology

Rankings are based on American Community Survey (ACS) 5-Year estimates from the US Census Bureau. All 50 states and the District of Columbia are included. The ACS surveys approximately 3.5 million households annually and provides detailed demographic, social, economic, and housing data. 5-Year estimates offer the most reliable data for state-level comparisons by averaging responses over a 60-month period. Percentages may not sum to 100% due to rounding.

More US Counties Rankings

Largest US Counties by PopulationRichest US Counties by Median Household IncomeMost Expensive US Counties by Home ValueMost Educated US CountiesUS Counties With Highest Poverty RatesYoungest US Counties by Median AgeOldest US Counties by Median AgeCheapest US Counties by Median Home ValueUS Counties With Largest Hispanic PopulationUS Counties With Largest Asian PopulationUS Counties With Largest Black PopulationUS Counties With Most Foreign-Born ResidentsUS Counties With Lowest UnemploymentUS Counties With Lowest Poverty RatesUS Counties With Highest RentUS Counties With Most VeteransUS Counties With Highest HomeownershipDensest US Counties by Population per Square MileLeast Densely Populated US CountiesUS Counties With Longest Commutes

Explore Other Rankings

Densest Population per Square MileLeast Densely Populated StatesLargest US Land AreaPopulated StatesOldest Median AgeYoungest Median AgeRacially Diverse StatesLargest Hispanic Population

View all 161 rankings →

Frequently Asked Questions

Kusilvak Census Area, AK has the highest White population percentage (lower = more diverse) at 3.2%, according to latest Census ACS data. Patillas Municipio, and San Lorenzo Municipio, round out the top three.

Brooks County, GA has the lowest White population percentage (lower = more diverse) at 57.4%. Palm Beach County, FL is second-lowest at 57.4%.

The median across all 500 states is 43.3%. Note that the national median and the state-level median are calculated differently, the state median represents the midpoint when all states are ranked.

This data comes from the American Community Survey (ACS) 5-Year estimates published by the US Census Bureau. The ACS surveys approximately 3.5 million households annually and provides the most comprehensive demographic data available between decennial censuses.

Rankings are based on the latest available Census ACS 5-Year estimates. The Census Bureau releases new ACS data annually. Our data was last updated on April 12, 2026.

Sources: US Census Bureau ACS 5-Year Estimates

Rankings are based on American Community Survey (ACS) 5-Year estimates from the US Census Bureau. All 50 states and the District of Columbia are included. The ACS surveys approximately 3.5 million households annually and provides detailed demographic, social, economic, and housing data. 5-Year estimates offer the most reliable data for state-level comparisons by averaging responses over a 60-month period. Percentages may not sum to 100% due to rounding.