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 a county in Kentucky with a population of 12,091. It ranks #91 among counties in Kentucky by population. The median age is 42.2, older than the national median. The population is 49.4% male and 50.6% female.
The median household income in Washington County is $59,762, below the US median of $74,580. 8.1% of residents live below the federal poverty level. Home values sit at a median of $168,300, with monthly rent averaging $696. The homeownership rate of 78.2% is higher than the national rate of 64.8%.
Educational attainment in Washington County reflects 18.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.6 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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Statewide data for Kentucky
Population, race, income, age, and trends across Kentucky
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.