Warren County, Kentucky

County in KY, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

140,918

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

33.3

years ∙ half population younger than 33.3, half older

Diversity Index

43.8%

chance two random people differ in race and ethnicity

Nativity

10.4%

foreign-born population

89.6%Native

10.4% Foreign-born

Geographic Context

Location, size, and surroundings

About

Warren County is a county in Kentucky, United States.

Location

County in KY, US

Co-ordinates

DEC36.995634° N, 86.423579° W

DMS36° 59′ 44.28″ N, 86° 25′ 24.88″ W

Population Density & area

260.1/sq mi (100.4/km²)

Total Area

547.5 sq mi (1,418.2 km²)

Land Area

541.7 sq mi (1,403.1 km²) · 98.9%

Water Area

5.8 sq mi (15.1 km²) · 1.1%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

49.5% male

Male 49.5%

Female 50.5%

males per 100 females

Warren County 98

Kentucky 98.2

United States 98

Nativity

10.4%

foreign-born population

89.6%Native

10.4% Foreign-born

% Foreign-born

Warren County 10.4%

Kentucky 4.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

33.3

years ∙ half population younger than 33.3, half older

Warren County

33.3

Kentucky

39.1

United States

38.9

Dependency ratio

58.5

dependents per 100 working-age adults

Warren County 58.5

Kentucky 66.4

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Warren County	Kentucky	United States
Age Group
Children (Under 18)	23.7%	22.6%	22%
Working age (18-64)	63.1%	60.1%	60.8%
Senior (65+)	13.2%	17.3%	17.2%
Dependency ratio
Total dependency ratio	58.5	66.4	64.4
Child dependency ratio	37.5	37.6	36.1
Old-age dependency ratio	20.9	28.8	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

73.8%

Black

9.1%

Asian

Hispanic

7.1%

Other

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

43.8%

chance two random people differ in race and ethnicity

Warren County 43.8%

Kentucky 32.6%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Warren County population

	Warren County	Kentucky	United States
Hispanic or Latino	7.1%	5%	19.3%
Mexican	3.8%	2.5%	11.3%
Puerto Rican	0.3%	0.5%	1.8%
Cuban	0.5%	0.8%	0.8%
Other Hispanic / Latino	2.5%	1.3%	5.5%
Not Hispanic or Latino	92.9%	95%	80.7%
One race	88.7%	91.1%	76.4%
White	73.8%	81.5%	57.4%
Black or African American	9.1%	7.6%	11.9%
American Indian and Alaska Native	0.1%	0.1%	0.5%
Asian	5%	1.6%	5.9%
Native Hawaiian and Other Pacific Islander	0.6%	0.1%	0.2%
Some Other Race	0.1%	0.3%	0.6%
Two or more races (Multiracial)	4.2%	3.9%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

60.1% family

Family 60.1%

Non family 39.9%

% family households

Warren County 60.1%

Kentucky 63.9%

United States 64.2%

Average household size

2.43

persons per household

Warren County

2.43

Kentucky

2.43

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Warren County population

	Warren County	Kentucky	United States
Total households	55,643	1,814,469	129,227,496
Average houshold size	2.43	2.43	2.53
Family households	33,451	1,159,005	82,990,528
Average family size	3.06	3.03	3.14
Married couple family	24,212	844,820	60,637,388
Other families	9,239	314,185	22,353,140
Male householder	3,156	95,673	6,572,819
Female householder	6,083	218,512	15,780,321
Non-family households	22,192	655,464	46,236,968
One-person households	16,688	540,419	37,140,836
Male householder	7,576	247,145	16,871,444
Senior (65+) living alone	1,854	79,059	5,225,110
Female householder	9,112	293,274	20,269,392
Senior (65+) living alone	3,779	151,346	10,089,070
Other living arrangements	5,504	115,045	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

59,868

housing units

Warren County 59,868

Kentucky 2,023,116

United States 143,775,355

Occupancy status

92.9% occupied

Occupied 92.9%

Vacant 7.1%

vacancy rate

Warren County 7.1%

Kentucky 10.3%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

65.2%

Single family houses

65.2%

Apartments in multi-unit structures

29.7%

Mobile homes

4.9%

Boat, RV, van, etc

0.1%

Median Year Built

1993

Half of houses were built before 1993, and half after.

Historic ∙ 1939 or earlier

5.6%

Postwar & mid-century ∙ 1940 - 1969

14.4%

Late 20th century ∙ 1970 - 1999

40.4%

Modern ∙ 2000 or later

39.7%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Warren County	Kentucky	United States
Rooms per unit
Median rooms	5.6	5.7	5.5
1–3 rooms	14.9%	10.4%	15.1%
4–6 rooms	50.8%	54.2%	51.6%
7+ rooms	34.3%	35.4%	33.4%
Bedrooms
No bedroom / studio	1.6%	1.7%	2.9%
1 bedroom	10.4%	8.2%	10.9%
2 bedrooms	22.9%	25.1%	25%
3 bedrooms	45.3%	45.2%	38.7%
4+ bedrooms	19.8%	19.7%	22.4%
At a glance
Median year built	1993	1983	1981
Total housing units	59,868	2,023,116	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

55.6% owners

Renter-occupied 44.4%

Owner-occupied 55.6%

homeownership rate

Warren County 55.6%

Kentucky 68.3%

United States 65.2%

Average household size

2.62

Owner-occupied

2.19

Renter-occupied

owner-occupied average size

Warren County 2.62

Kentucky 2.53

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Warren County	Kentucky	United States
Total occupied units	55,643	1,814,469	129,227,496
Year moved in
2020 or later	32.7%	23.8%	24.8%
2010 to 2019	39.6%	38.4%	39.6%
2000 to 2009	14.4%	16.7%	16.4%
1999 or earlier	13.2%	21.1%	19.1%
Occupants per room
1.00 or fewer	95.7%	98%	96.6%
1.01 to 1.50	3%	1.4%	2.2%
1.51 or more	1.3%	0.6%	1.2%
Vehicles availability
No vehicles	7.1%	6.8%	8.4%
1 vehicle	33.3%	32.4%	33.1%
2 vehicles	36.3%	37.1%	36.6%
3 or more vehicles	23.3%	23.7%	21.9%
House heating fuel used
Gas	42.2%	41.5%	51.4%
Electricity	56.5%	54.9%	41.3%
Solar	0%	0.1%	0.3%
Fuel oil, kerosene etc	0.2%	0.7%	3.9%
All other fuels	0.5%	2.3%	2%
No fuel used	0.6%	0.4%	1.2%
Selected characteristics
Lacking complete plumbing	0.1%	0.5%	0.4%
Lacking complete kitchen	0.9%	0.8%	0.8%
No telephone service available	0.7%	1.1%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$258,000

owner-occupied units

Median value(USD)

Warren County

$258,000

Kentucky

$205,600

United States

$332,700

Housing Cost Burden

18.1%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

18.1%

Owners without a mortgage

9.8%

Renters

47.9%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Warren County	Kentucky	United States
Property value
Median Value	$258,000	$205,600	$332,700
Under $100,000	8.4%	20.9%	11.4%
$100,000 - $200,000	21.5%	27.6%	15.8%
$200,000 - $300,000	31.7%	23.1%	17.8%
$300,000 - $500,000	26.5%	20.1%	26.9%
$500,000 - $1,000,000	10.7%	7.1%	20.9%
$1,000,000 and more	1.1%	1.2%	7.1%
Owner-occupied households
With a mortgage	63.5%	56.1%	60.6%
Without a mortgage	36.5%	43.9%	39.4%
Median monthly owner costs
With a mortgage	$1,463	$1,433	$1,963
Without a mortgage	$500	$469	$638
Gross rent
Median rent	$1,002	$967	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

32.3%

of adults 25+ with a bachelor's degree or higher

Warren County 32.3%

Kentucky 27.6%

United States 35.7%

Adults without a high school diploma

11.5%

of adults (25+) without a high school diploma

Warren County 11.5%

Kentucky 11.1%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

38,651

population (age 3+) enrolled in school

Nursery / Preschool

K–12

58.4%

College / Undergraduate

32.2%

Graduate / Professional

4.4%

College-going rate (18-24 yr olds)

52.2%

of 18-24-year-olds in college or graduate school

Warren County

52.2%

Kentucky

36%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Warren County	Kentucky	United States
Total enrolled (age 3+)	38,651	1,039,376	80,089,790
Nursery / preschool	5%	5.5%	5.7%
K–12	58.4%	70.6%	67.6%
Kindergarten	5%	5.2%	5%
Elementary: Grades 1–4	17.9%	21.4%	19.8%
Elementary: Grades 5–8	18.5%	21.9%	21%
High School: Grades 9–12	17%	22.2%	21.7%
College or graduate school	36.6%	23.8%	26.7%
College, undergraduate	32.2%	18.9%	21%
Graduate, professional school	4.4%	5%	5.8%
College-going rate · 18-24 yr olds	52.2%	36%	40.9%
School type
Public school	87.7%	81.9%	82%
Private school	12.3%	18.1%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

86,583

population 25 years and over

Total adults (25+)

Less than 9th grade

9th-12th, no diploma

5.5%

HS graduate

27.4%

Some college no degree

20%

Associates degree

8.7%

Bachelors degree

19.7%

Graduate or professional degree

12.6%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

49.2% · 50.8%

9th-12th, no diploma

45.5% · 54.5%

HS graduate

51.9% · 48.1%

Some college no degree

53.2% · 46.8%

Associates degree

37.9% · 62.1%

Bachelors degree

49.8% · 50.2%

Graduate or professional degree

43.9% · 56.1%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Warren County	Kentucky	United States
Population (25+)	86,583	3,098,758	230,807,303
Less than 9th grade	6%	4.3%	4.7%
9th–12th, no diploma	5.5%	6.8%	5.7%
High school diploma or GED	27.4%	32.6%	26%
Some college, no degree	20%	19.7%	19.1%
Associate's degree	8.7%	9%	8.8%
Bachelor's degree or higher	32.3%	27.6%	35.7%
Bachelor's degree	19.7%	16.2%	21.6%
Graduate or professional	12.6%	11.3%	14.1%
High School or higher	88.4%	88.9%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$44,938

Median earnings for adults 25+, by level

Less than HS graduate

$32,667

HS graduate

$36,921

Some college or associates

$40,446

Bachelors degree

$57,915

Graduate or professional degree

$65,603

Poverty Rate

4.6%

for ages 25+, with bachelors degree or higher

Less than HS graduate

32.9%

HS graduate

15.6%

Some college or associates

10%

Bachelors degree or higher

4.6%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Warren County	Kentucky	United States
Median earnings
Population 25+, with earnings	$44,938	$46,524	$52,696
Less than high school graduate	$32,667	$29,659	$32,485
High school graduate (includes equivalency)	$36,921	$37,177	$40,153
Some college or associate's degree	$40,446	$43,534	$47,260
Bachelor's degree	$57,915	$60,526	$70,044
Graduate or professional degree	$65,603	$70,952	$90,720
Poverty rates
Less than high school graduate	32.9%	33.5%	24.2%
High school graduate (includes equivalency)	15.6%	17%	14.4%
Some college or associate's degree	10%	11.7%	9.8%
Bachelor's degree or higher	4.6%	4.7%	4.5%

Insights for Warren County, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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