Washington County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 91st-largest in Kentucky
The population of Washington County, Kentucky is 12,091 as of the 2023 American Community Survey, making it the 91st-largest county in Kentucky. The median household income is $59,762, the median home value is $168,300, and the median age is 42.2.
The population of Washington County has grown 5.0% since 2010 (11,683 → 12,269), a +0.35% annualized rate.
12,091
Population
+0.35%
Annual growth
41
People / sq mi
$59,762
Median Income
$168,300
Median Home Value
Washington County covers 297 sq mi of land at 40.7 people per square mile.
About Washington County, KY
Washington County is distinguished by its share of foreign-born residents, 16.7% of the population. Washington County is a county in Kentucky with a population of 12,091.
The typical household here earns about $59,762, below the US median of $78,538. Poverty runs at 8.1%, below the national 12.4%. Homes carry a median value of $168,300, with typical rent around $696.
Roughly 18.9% of adults have a bachelor’s, below the national 35.0%. Around 7.4% of workers work from home, below the national 14.0%, and the average commute runs about 24 minutes each way.
Washington County Population History (2010-2024)
The county of Washington County had a population of 11,683 in 2010 and 12,269 in 2024, a 5.0% growth over 14 years. The peak was 12,269 in 2024. Average annual growth rate: 0.35%.
12,269
Population (2024)
11,683
Population (2010)
12,269
Peak (2024)
0.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 11,683 |
| 2011 | 11,679 |
| 2012 | 11,813 |
| 2013 | 11,843 |
| 2014 | 11,895 |
| 2015 | 12,000 |
| 2016 | 12,095 |
| 2017 | 11,871 |
| 2018 | 12,011 |
| 2019 | 12,098 |
| 2020 | 12,038 |
| 2021 | 12,076 |
| 2022 | 12,062 |
| 2023 | 12,257 |
| 2024 | 12,269 |
Race & Ethnicity
| White | 88.1% |
| Black or African American | 5.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.6% |
| Two or More Races | 0.0% |
Age & Sex
42.2
Median Age
50.6%
Female
49.4%
Male
19.3%
Age 65+
Age Distribution
Children (under 15): 19.2% · Seniors (65+): 19.3%
Income & Poverty
| Median household income | $59,762$-2,655 vs state |
| Mean household income | $77,873 |
| Per-capita income | $30,810 |
| Poverty rate | 8.1%-3.7% vs state |
| Unemployment rate | 2.5% |
| Employment-to-population | 58.2% |
Top Industries by Employment
The largest employment sector in Washington County is professional & business services, accounting for 25.1% of workers.
How residents commute
0.2%
Drive alone
2.1%
Carpool
79.6%
Public transit
7.4%
Work from home
23.6 min
Avg commute
Housing
$168,300$-24,000 vs state
Median home value
$696
Median rent
78.2%
Homeownership rate
5,222
Total housing units
89.0%
Occupied
11.0%
Vacant
21.8%
Renter-occupied
Social & access
90.6%
With health insurance
88.6%
With broadband internet
16.7%
Foreign-born
4.7%
Veterans (18+)
22.0%
With a disability
94.9%
Speak language other than English at home
Education
89.2%
High School+
18.9%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Washington County, Kentucky has a population of 12,091 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 91st-largest county in Kentucky. Population density is 41 people per square mile.
The population of Washington County has grown 5.0% since 2010 (11,683 → 12,269), a +0.35% annualized rate.
The median household income in Washington County, Kentucky is $59,762, with mean (average) household income of $77,873 and per-capita income of $30,810. 8.1% of residents live below the federal poverty level.
In Washington County, the largest racial and ethnic groups are White (88.1%), Black or African American (5.2%), Hispanic or Latino (3.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Washington County, Kentucky is 42.2 years. Residents are 50.6% female and 49.4% male.
The median home value in Washington County is $168,300 and median monthly rent is $696. 78.2% of occupied housing units are owner-occupied. The county has 5,222 total housing units, 11.0% of which are vacant.
The largest employment sector in Washington County, Kentucky is professional, scientific, and management services, employing 25.1% of workers. The unemployment rate is 2.5%.
Louisville/Jefferson County is among the largest cities associated with Washington County, Kentucky, with a population of 627,210.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.