Warren County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 5th-largest in Kentucky
The population of Warren County, Kentucky is 137,549 as of the 2023 American Community Survey, making it the 5th-largest county in Kentucky. The median household income is $64,801, the median home value is $242,600, and the median age is 33.4.
The population of Warren County has grown 29.4% since 2010 (114,348 → 147,936), a +1.86% annualized rate.
137,549
Population
+1.86%
Annual growth
254
People / sq mi
$64,801
Median Income
$242,600
Median Home Value
Warren County covers 542 sq mi of land at 253.9 people per square mile.
About Warren County, KY
Warren County is a county in Kentucky with a population of 137,549. It ranks #5 among counties in Kentucky by population. The median age is 33.4, younger than the national median. The population is 49.3% male and 50.7% female.
The median household income in Warren County is $64,801, below the US median of $74,580. 10.7% of residents live below the federal poverty level. Home values sit at a median of $242,600, with monthly rent averaging $963. The homeownership rate of 56.7% is lower than the national rate of 64.8%.
Educational attainment in Warren County reflects 33.4% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 6.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.8 minutes each way.
Warren County Population History (2010-2024)
The county of Warren County had a population of 114,348 in 2010 and 147,936 in 2024, a 29.4% growth over 14 years. The peak was 147,936 in 2024. Average annual growth rate: 1.86%.
147,936
Population (2024)
114,348
Population (2010)
147,936
Peak (2024)
1.86%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 114,348 |
| 2011 | 115,889 |
| 2012 | 117,436 |
| 2013 | 119,640 |
| 2014 | 121,480 |
| 2015 | 124,224 |
| 2016 | 126,752 |
| 2017 | 129,232 |
| 2018 | 130,926 |
| 2019 | 132,759 |
| 2020 | 135,033 |
| 2021 | 137,191 |
| 2022 | 140,503 |
| 2023 | 143,929 |
| 2024 | 147,936 |
Race & Ethnicity
| White | 77.7% |
| Black or African American | 8.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.1% |
Age & Sex
33.4
Median Age
50.7%
Female
49.3%
Male
13.2%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 13.2%
Income & Poverty
| Median household income | $64,801+$2,384 vs state |
| Mean household income | $87,897 |
| Per-capita income | $34,999 |
| Poverty rate | 10.7%-1.1% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 63.7% |
Top Industries by Employment
The largest employment sector in Warren County is professional & business services, accounting for 23.8% of workers.
How residents commute
0.1%
Drive alone
2.9%
Carpool
78.8%
Public transit
6.3%
Work from home
20.8 min
Avg commute
Housing
$242,600+$50,300 vs state
Median home value
$963
Median rent
56.7%
Homeownership rate
58,563
Total housing units
92.6%
Occupied
7.4%
Vacant
43.3%
Renter-occupied
Social & access
93.0%
With health insurance
95.3%
With broadband internet
30.5%
Foreign-born
6.5%
Veterans (18+)
13.5%
With a disability
86.2%
Speak language other than English at home
Education
88.9%
High School+
33.4%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Warren County, Kentucky has a population of 137,549 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in Kentucky. Population density is 254 people per square mile.
The population of Warren County has grown 29.4% since 2010 (114,348 → 147,936), a +1.86% annualized rate.
The median household income in Warren County, Kentucky is $64,801, with mean (average) household income of $87,897 and per-capita income of $34,999. 10.7% of residents live below the federal poverty level.
In Warren County, the largest racial and ethnic groups are White (77.7%), Black or African American (8.6%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Warren County, Kentucky is 33.4 years. Residents are 50.7% female and 49.3% male.
The median home value in Warren County is $242,600 and median monthly rent is $963. 56.7% of occupied housing units are owner-occupied. The county has 58,563 total housing units, 7.4% of which are vacant.
The largest employment sector in Warren County, Kentucky is professional, scientific, and management services, employing 23.8% of workers. The unemployment rate is 3.0%.
Louisville/Jefferson County is among the largest cities associated with Warren 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.