Washington County, Arkansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 3rd-largest in Arkansas
The population of Washington County, Arkansas is 251,863 as of the 2023 American Community Survey, making it the 3rd-largest county in Arkansas. The median household income is $66,426, the median home value is $266,000, and the median age is 32.5.
The population of Washington County has grown 30.5% since 2010 (204,021 → 266,184), a +1.92% annualized rate.
251,863
Population
+1.92%
Annual growth
268
People / sq mi
$66,426
Median Income
$266,000
Median Home Value
Washington County covers 941 sq mi of land at 267.5 people per square mile.
About Washington County, AR
Homeownership is the standout figure in Washington County: 55.6% of homes are owner-occupied, lower than the national rate. Washington County is a county in Arkansas with a population of 251,863. That makes it one of the ten largest counties in Arkansas in the country, at #3 by population.
The typical household here earns about $66,426, below the US median of $78,538. The poverty rate is 8.4%, below the national 12.4%. A typical home is worth $266,000, with typical rent around $1,005.
About 34.6% of adults 25 and older have a bachelor’s degree, near the 35.0% national figure. Remote work is below the national 14.0% at 10.0%, and the average commute runs about 21 minutes each way.
Washington County Population History (2010-2024)
The county of Washington County had a population of 204,021 in 2010 and 266,184 in 2024, a 30.5% growth over 14 years. The peak was 266,184 in 2024. Average annual growth rate: 1.92%.
266,184
Population (2024)
204,021
Population (2010)
266,184
Peak (2024)
1.92%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 204,021 |
| 2011 | 208,088 |
| 2012 | 211,824 |
| 2013 | 216,107 |
| 2014 | 220,075 |
| 2015 | 224,600 |
| 2016 | 228,612 |
| 2017 | 232,915 |
| 2018 | 236,855 |
| 2019 | 239,392 |
| 2020 | 246,779 |
| 2021 | 251,664 |
| 2022 | 257,316 |
| 2023 | 261,880 |
| 2024 | 266,184 |
Race & Ethnicity
| White | 67.2% |
| Black or African American | 3.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.4% |
| Two or More Races | 0.0% |
Age & Sex
32.5
Median Age
49.7%
Female
50.3%
Male
12.2%
Age 65+
Age Distribution
Children (under 15): 19.7% · Seniors (65+): 12.2%
Income & Poverty
| Median household income | $66,426+$7,653 vs state |
| Mean household income | $95,012 |
| Per-capita income | $36,545 |
| Poverty rate | 8.4%-3.1% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 62.3% |
Top Industries by Employment
The largest employment sector in Washington County is professional & business services, accounting for 24.7% of workers.
How residents commute
0.5%
Drive alone
1.6%
Carpool
76.2%
Public transit
10.0%
Work from home
20.6 min
Avg commute
Housing
$266,000+$90,700 vs state
Median home value
$1,005
Median rent
55.6%
Homeownership rate
103,174
Total housing units
92.5%
Occupied
7.5%
Vacant
44.4%
Renter-occupied
Social & access
87.7%
With health insurance
95.6%
With broadband internet
38.3%
Foreign-born
6.0%
Veterans (18+)
11.4%
With a disability
82.7%
Speak language other than English at home
Education
87.3%
High School+
34.6%
Bachelor's+
Largest cities in Arkansas
Other counties in Arkansas
Part of Arkansas
Metro areas in Arkansas
County rankings
Frequently Asked Questions
Washington County, Arkansas has a population of 251,863 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 3rd-largest county in Arkansas. Population density is 268 people per square mile.
The population of Washington County has grown 30.5% since 2010 (204,021 → 266,184), a +1.92% annualized rate.
The median household income in Washington County, Arkansas is $66,426, with mean (average) household income of $95,012 and per-capita income of $36,545. 8.4% of residents live below the federal poverty level.
In Washington County, the largest racial and ethnic groups are White (67.2%), Hispanic or Latino (3.4%), Black or African American (3.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Washington County, Arkansas is 32.5 years. Residents are 49.7% female and 50.3% male.
The median home value in Washington County is $266,000 and median monthly rent is $1,005. 55.6% of occupied housing units are owner-occupied. The county has 103,174 total housing units, 7.5% of which are vacant.
The largest employment sector in Washington County, Arkansas is professional, scientific, and management services, employing 24.7% of workers. The unemployment rate is 2.7%.
Little Rock is among the largest cities associated with Washington County, Arkansas, with a population of 202,739.
Washington County, AR Climate
Washington County, AR has an average annual temperature of 14.3°C (58°F) and receives about 1210 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
14.3°C
Avg Temp
1210
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 2° / 35° | 59 mm |
| February | 5° / 40° | 68 mm |
| March | 9° / 49° | 112 mm |
| April | 14° / 58° | 116 mm |
| May | 19° / 65° | 139 mm |
| June | 23° / 73° | 116 mm |
| July | 26° / 78° | 82 mm |
| August | 25° / 77° | 86 mm |
| September | 21° / 70° | 125 mm |
| October | 15° / 59° | 105 mm |
| November | 9° / 48° | 116 mm |
| December | 4° / 39° | 86 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Washington County, AR
The most comfortable months to visit Washington County, AR are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -4°C low). May is usually the wettest month.
Where to stay near Washington County
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Population, race, income, age, and trends across Arkansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.