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Population Review

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.

Warren County within Kentucky · Source: US Census TIGER/Line via us-atlas

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%.

2024 · 148K20102024

147,936

Population (2024)

114,348

Population (2010)

147,936

Peak (2024)

1.86%

Avg Annual Growth

YearPopulation
2010114,348
2011115,889
2012117,436
2013119,640
2014121,480
2015124,224
2016126,752
2017129,232
2018130,926
2019132,759
2020135,033
2021137,191
2022140,503
2023143,929
2024147,936

Race & Ethnicity

White77.7%
Black or African American8.6%
Asian0.0%
Hispanic or Latino (any race)1.1%
Two or More Races0.1%

Age & Sex

33.4

Median Age

50.7%

Female

49.3%

Male

13.2%

Age 65+

Age Distribution

Under 5
6.5%
5–9
6.4%
10–14
6.7%
15–19
8.0%
20–24
11.1%
25–34
13.6%
35–44
12.4%
45–54
11.2%
55–59
5.6%
60–64
5.3%
65–74
8.1%
75–84
3.9%
85+
1.2%

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 rate10.7%-1.1% vs state
Unemployment rate3.0%
Employment-to-population63.7%

Top Industries by Employment

Professional & business services
23.8%
Manufacturing
15.6%
Education & health care
12.1%
Finance & real estate
9.8%
Construction
5.4%
Retail trade
5.3%
Information
4.8%
Arts, entertainment & food
4.3%

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.