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 distinguished by its share of foreign-born residents, 36.6% of the population. With 59,318 residents, Washington County is a county in Ohio. It ranks #43 among counties in Ohio by population.
The typical household here earns about $61,355, below the US median of $78,538. Poverty runs at 9.7%, below the national 12.4%. The typical home is valued at $174,100, with typical rent around $828.
Degree attainment is mid-range for US counties: 20.7% of adults hold a four-year degree, below the national 35.0%. About 8.0% of the workforce is home-based, below the national 14.0%, and the average commute runs about 23 minutes each way.
The large foreign-born share is a defining thread in Washington County, shaping language, household composition, and the labor force behind the economic figures above.
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.