Census ACS · 56 counties

Richest Counties in Montana

Income varies significantly across Montana's 56 counties. Gallatin County leads with a median household income of $87,454. County-level income data reveals economic disparities within the state that statewide averages can mask, affluent suburban counties often have incomes 2-3x higher than rural counties in the same state. These differences affect school funding, public services, and quality of life.

Source: Census ACS 5-Year Estimates

#	County	Median Income	Population
1	Yellowstone County	$74,400	167,340
2	Wibaux County	$64,792	1,148
3	Wheatland County	$47,054	2,049
4	Valley County	$64,515	7,540
5	Treasure County	$73,036	761
6	Toole County	$53,693	5,028
7	Teton County	$67,766	6,291
8	Sweet Grass County	$69,426	3,713
9	Stillwater County	$81,503	9,052
10	Silver Bow County	$57,504	35,589
11	Sheridan County	$63,654	3,677
12	Sanders County	$54,035	12,936
13	Rosebud County	$56,430	8,236
14	Roosevelt County	$53,125	10,665
15	Richland County	$69,578	11,329
16	Ravalli County	$71,323	45,807
17	Prairie County	$45,192	1,251
18	Powell County	$63,432	7,029
19	Powder River County	$68,009	1,762
20	Pondera County	$53,500	6,012
21	Phillips County	$58,156	4,224
22	Petroleum County	$59,318	401
23	Park County	$66,607	17,484
24	Musselshell County	$59,010	5,068
25	Missoula County	$71,246	119,639
26	Mineral County	$61,117	4,796
27	Meagher County	$56,215	1,979
28	McCone County	$71,842	1,818
29	Madison County	$67,420	8,975
30	Lincoln County	$47,018	20,656
31	Liberty County	$53,264	1,968
32	Lewis and Clark County	$74,543	72,580
33	Lake County	$61,965	32,073
34	Judith Basin County	$55,417	2,053
35	Jefferson County	$76,576	12,501
36	Hill County	$55,313	16,260
37	Granite County	$54,646	3,419
38	Golden Valley County	$57,353	840
39	Glacier County	$45,129	13,713
40	Garfield County	$61,750	938
41	Gallatin County	$87,454	122,194
42	Flathead County	$71,327	108,445
43	Fergus County	$59,731	11,581
44	Fallon County	$72,284	2,817
45	Deer Lodge County	$49,533	9,512
46	Dawson County	$70,953	8,874
47	Daniels County	$58,000	1,524
48	Custer County	$63,585	11,938
49	Chouteau County	$56,927	5,888
50	Cascade County	$66,203	84,601
51	Carter County	$52,171	1,361
52	Carbon County	$71,017	10,877
53	Broadwater County	$63,636	7,310
54	Blaine County	$65,050	6,997
55	Big Horn County	$56,680	12,963
56	Beaverhead County	$58,072	9,590

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Frequently Asked Questions

Gallatin County is the #1 ranked county in Montana by median household income, with a value of $87,454 according to latest Census ACS data.

Montana has 56 counties tracked in latest Census ACS data.

All data comes from the American Community Survey (ACS) 5-Year estimates by the US Census Bureau.

Sources: US Census Bureau ACS 5-Year Estimates

Data from the American Community Survey 5-Year estimates. Covers all counties in Montana.

Source: U.S. Census Bureau ACS, 2026.