Washington County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 43rd-largest in Ohio
The population of Washington County, Ohio is 59,318 as of the 2023 American Community Survey, making it the 43rd-largest county in Ohio. The median household income is $61,355, the median home value is $174,100, and the median age is 44.1.
The population of Washington County has declined 5.5% since 2010 (61,714 → 58,332), a -0.40% annualized rate.
59,318
Population
-0.40%
Annual growth
94
People / sq mi
$61,355
Median Income
$174,100
Median Home Value
Washington County covers 632 sq mi of land at 93.9 people per square mile.
About Washington County, OH
Washington County is a county in Ohio with a population of 59,318. It ranks #43 among counties in Ohio by population. The median age is 44.1, older than the national median. The population is 49.9% male and 50.1% female.
The median household income in Washington County is $61,355, below the US median of $74,580. 9.7% of residents live below the federal poverty level. Home values sit at a median of $174,100, with monthly rent averaging $828. The homeownership rate of 74.8% is higher than the national rate of 64.8%.
Educational attainment in Washington County reflects 20.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.4 minutes each way.
Washington County Population History (2010-2024)
The county of Washington County had a population of 61,714 in 2010 and 58,332 in 2024, a -5.5% growth over 14 years. The peak was 61,714 in 2010. Average annual growth rate: -0.40%.
58,332
Population (2024)
61,714
Population (2010)
61,714
Peak (2010)
-0.40%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 61,714 |
| 2011 | 61,617 |
| 2012 | 61,472 |
| 2013 | 61,401 |
| 2014 | 61,204 |
| 2015 | 61,075 |
| 2016 | 60,673 |
| 2017 | 60,557 |
| 2018 | 60,183 |
| 2019 | 60,018 |
| 2020 | 59,656 |
| 2021 | 59,504 |
| 2022 | 58,883 |
| 2023 | 58,513 |
| 2024 | 58,332 |
Race & Ethnicity
| White | 94.4% |
| Black or African American | 1.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
44.1
Median Age
50.1%
Female
49.9%
Male
21.7%
Age 65+
Age Distribution
Children (under 15): 16.3% · Seniors (65+): 21.7%
Income & Poverty
| Median household income | $61,355$-8,325 vs state |
| Mean household income | $82,107 |
| Per-capita income | $35,444 |
| Poverty rate | 9.7%+0.5% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 54.6% |
Top Industries by Employment
The largest employment sector in Washington County is professional & business services, accounting for 27.1% of workers.
How residents commute
0.5%
Drive alone
2.2%
Carpool
80.8%
Public transit
8.0%
Work from home
23.4 min
Avg commute
Housing
$174,100$-25,100 vs state
Median home value
$828
Median rent
74.8%
Homeownership rate
27,979
Total housing units
88.9%
Occupied
11.1%
Vacant
25.2%
Renter-occupied
Social & access
93.7%
With health insurance
92.0%
With broadband internet
36.6%
Foreign-born
9.7%
Veterans (18+)
16.6%
With a disability
98.0%
Speak language other than English at home
Education
92.9%
High School+
20.7%
Bachelor's+
Largest cities in Ohio
Other counties in Ohio
Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Washington County, Ohio has a population of 59,318 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 43rd-largest county in Ohio. Population density is 94 people per square mile.
The population of Washington County has declined 5.5% since 2010 (61,714 → 58,332), a -0.40% annualized rate.
The median household income in Washington County, Ohio is $61,355, with mean (average) household income of $82,107 and per-capita income of $35,444. 9.7% of residents live below the federal poverty level.
In Washington County, the largest racial and ethnic groups are White (94.4%), Black or African American (1.2%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Washington County, Ohio is 44.1 years. Residents are 50.1% female and 49.9% male.
The median home value in Washington County is $174,100 and median monthly rent is $828. 74.8% of occupied housing units are owner-occupied. The county has 27,979 total housing units, 11.1% of which are vacant.
The largest employment sector in Washington County, Ohio is professional, scientific, and management services, employing 27.1% of workers. The unemployment rate is 2.7%.
Columbus is among the largest cities associated with Washington County, Ohio, with a population of 906,480.
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.