Washington County, Mississippi Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 17th-largest in Mississippi
The population of Washington County, Mississippi is 43,674 as of the 2023 American Community Survey, making it the 17th-largest county in Mississippi. The median household income is $40,117, the median home value is $99,300, and the median age is 38.3.
The population of Washington County has declined 19.4% since 2010 (51,098 → 41,181), a -1.53% annualized rate.
43,674
Population
-1.53%
Annual growth
60
People / sq mi
$40,117
Median Income
$99,300
Median Home Value
Washington County covers 724 sq mi of land at 60.3 people per square mile.
About Washington County, MS
Homeownership is the standout figure in Washington County: 56.8% of homes are owner-occupied, lower than the national rate. With 43,674 residents, Washington County is a county in Mississippi. It ranks #17 among counties in Mississippi by population.
Household earnings sit near the bottom of the range at $40,117, below the US median of $78,538. Poverty is among the highest of comparable US counties: 21.6%, above the national 12.4%. Home prices sit near the bottom of the range at $99,300, with typical rent around $786.
Roughly 20.5% of adults have a bachelor’s, below the national 35.0%. Almost everyone commutes — only 3.2% work from home, below the national 14.0%, and the average commute runs about 19 minutes each way.
Washington County Population History (2010-2024)
The county of Washington County had a population of 51,098 in 2010 and 41,181 in 2024, a -19.4% growth over 14 years. The peak was 51,098 in 2010. Average annual growth rate: -1.52%.
41,181
Population (2024)
51,098
Population (2010)
51,098
Peak (2010)
-1.52%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 51,098 |
| 2011 | 50,465 |
| 2012 | 50,035 |
| 2013 | 49,679 |
| 2014 | 49,032 |
| 2015 | 47,991 |
| 2016 | 47,214 |
| 2017 | 46,238 |
| 2018 | 45,097 |
| 2019 | 43,973 |
| 2020 | 44,648 |
| 2021 | 43,605 |
| 2022 | 42,490 |
| 2023 | 41,902 |
| 2024 | 41,181 |
Race & Ethnicity
| White | 24.3% |
| Black or African American | 72.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.3% |
| Two or More Races | 0.0% |
Age & Sex
38.3
Median Age
53.3%
Female
46.7%
Male
17.6%
Age 65+
Age Distribution
Children (under 15): 21.1% · Seniors (65+): 17.6%
Income & Poverty
| Median household income | $40,117$-14,798 vs state |
| Mean household income | $58,434 |
| Per-capita income | $24,162 |
| Poverty rate | 21.6%+7.3% vs state |
| Unemployment rate | 4.7% |
| Employment-to-population | 47.6% |
Top Industries by Employment
The largest employment sector in Washington County is professional & business services, accounting for 25.1% of workers.
How residents commute
0.8%
Drive alone
1.8%
Carpool
85.5%
Public transit
3.2%
Work from home
19.2 min
Avg commute
Housing
$99,300$-62,100 vs state
Median home value
$786
Median rent
56.8%
Homeownership rate
20,894
Total housing units
82.4%
Occupied
17.6%
Vacant
43.2%
Renter-occupied
Social & access
87.8%
With health insurance
82.3%
With broadband internet
12.4%
Foreign-born
4.3%
Veterans (18+)
24.7%
With a disability
97.0%
Speak language other than English at home
Education
79.2%
High School+
20.5%
Bachelor's+
Largest cities in Mississippi
Other counties in Mississippi
Part of Mississippi
Metro areas in Mississippi
County rankings
Frequently Asked Questions
Washington County, Mississippi has a population of 43,674 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 17th-largest county in Mississippi. Population density is 60 people per square mile.
The population of Washington County has declined 19.4% since 2010 (51,098 → 41,181), a -1.53% annualized rate.
The median household income in Washington County, Mississippi is $40,117, with mean (average) household income of $58,434 and per-capita income of $24,162. 21.6% of residents live below the federal poverty level.
In Washington County, the largest racial and ethnic groups are Black or African American (72.2%), White (24.3%), Hispanic or Latino (0.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Washington County, Mississippi is 38.3 years. Residents are 53.3% female and 46.7% male.
The median home value in Washington County is $99,300 and median monthly rent is $786. 56.8% of occupied housing units are owner-occupied. The county has 20,894 total housing units, 17.6% of which are vacant.
The largest employment sector in Washington County, Mississippi is professional, scientific, and management services, employing 25.1% of workers. The unemployment rate is 4.7%.
Jackson is among the largest cities associated with Washington County, Mississippi, with a population of 149,827.
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Statewide data for Mississippi
Population, race, income, age, and trends across Mississippi
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.