Warren County, Pennsylvania

County in PA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

37,920

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

Median Age

47.1

years ∙ half population younger than 47.1, half older

Diversity Index

11.1%

chance two random people differ in race and ethnicity

Nativity

1.2%

foreign-born population

98.8%Native

1.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Warren County is a county in Pennsylvania, United States.

Location

County in PA, US

Co-ordinates

DEC41.834298° N, 79.298182° W

DMS41° 50′ 03.47″ N, 79° 17′ 53.46″ W

Population Density & area

42.88/sq mi (16.56/km²)

Total Area

898.7 sq mi (2,327.7 km²)

Land Area

884.3 sq mi (2,290.3 km²) · 98.4%

Water Area

14.4 sq mi (37.4 km²) · 1.6%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

50.5% male

Male 50.5%

Female 49.5%

males per 100 females

Warren County 102.1

Pennsylvania 97.2

United States 98

Nativity

1.2%

foreign-born population

98.8%Native

1.2% Foreign-born

% Foreign-born

Warren County 1.2%

Pennsylvania 7.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

47.1

years ∙ half population younger than 47.1, half older

Warren County

47.1

Pennsylvania

40.9

United States

38.9

Dependency ratio

79.8

dependents per 100 working-age adults

Warren County 79.8

Pennsylvania 66.4

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Warren County	Pennsylvania	United States
Age Group
Children (Under 18)	19.6%	20.4%	22%
Working age (18-64)	55.7%	60.1%	60.8%
Senior (65+)	24.7%	19.5%	17.2%
Dependency ratio
Total dependency ratio	79.8	66.4	64.4
Child dependency ratio	35.3	34	36.1
Old-age dependency ratio	44.5	32.4	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

94.2%

Black

0.8%

Asian

0.4%

Hispanic

1.3%

Other

3.3%

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

11.1%

chance two random people differ in race and ethnicity

Warren County 11.1%

Pennsylvania 44.6%

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	Pennsylvania	United States
Hispanic or Latino	1.3%	8.7%	19.3%
Mexican	0.4%	1.4%	11.3%
Puerto Rican	0.2%	3.7%	1.8%
Cuban	0.1%	0.2%	0.8%
Other Hispanic / Latino	0.5%	3.4%	5.5%
Not Hispanic or Latino	98.7%	91.3%	80.7%
One race	95.7%	87.7%	76.4%
White	94.2%	73%	57.4%
Black or African American	0.8%	10.3%	11.9%
American Indian and Alaska Native	0%	0.1%	0.5%
Asian	0.4%	3.8%	5.9%
Native Hawaiian and Other Pacific Islander	0.1%	0%	0.2%
Some Other Race	0.2%	0.5%	0.6%
Two or more races (Multiracial)	3%	3.6%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

63% family

Family 63%

Non family 37%

% family households

Warren County 63%

Pennsylvania 62.4%

United States 64.2%

Average household size

2.31

persons per household

Warren County

2.31

Pennsylvania

2.39

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Warren County population

	Warren County	Pennsylvania	United States
Total households	16,123	5,274,853	129,227,496
Average houshold size	2.31	2.39	2.53
Family households	10,154	3,291,192	82,990,528
Average family size	2.88	3.01	3.14
Married couple family	8,151	2,437,812	60,637,388
Other families	2,003	853,380	22,353,140
Male householder	734	246,246	6,572,819
Female householder	1,269	607,134	15,780,321
Non-family households	5,969	1,983,661	46,236,968
One-person households	5,187	1,629,974	37,140,836
Male householder	2,362	733,485	16,871,444
Senior (65+) living alone	960	246,162	5,225,110
Female householder	2,825	896,489	20,269,392
Senior (65+) living alone	1,514	477,851	10,089,070
Other living arrangements	782	353,687	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

21,629

housing units

Warren County 21,629

Pennsylvania 5,806,452

United States 143,775,355

Occupancy status

74.5% occupied

Occupied 74.5%

Vacant 25.5%

vacancy rate

Warren County 25.5%

Pennsylvania 9.2%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

79.4%

Single family houses

79.4%

Apartments in multi-unit structures

11%

Mobile homes

9.5%

Boat, RV, van, etc

0.1%

Median Year Built

1957

Half of houses were built before 1957, and half after.

Historic ∙ 1939 or earlier

29.9%

Postwar & mid-century ∙ 1940 - 1969

32.5%

Late 20th century ∙ 1970 - 1999

29.2%

Modern ∙ 2000 or later

8.4%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Warren County	Pennsylvania	United States
Rooms per unit
Median rooms	5.7	6	5.5
1–3 rooms	16.3%	11.7%	15.1%
4–6 rooms	48.1%	47.7%	51.6%
7+ rooms	35.5%	40.7%	33.4%
Bedrooms
No bedroom / studio	3%	2.3%	2.9%
1 bedroom	12.6%	10.4%	10.9%
2 bedrooms	26.6%	22.5%	25%
3 bedrooms	42.4%	42.3%	38.7%
4+ bedrooms	15.5%	22.6%	22.4%
At a glance
Median year built	1957	1966	1981
Total housing units	21,629	5,806,452	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

79.5% owners

Renter-occupied 20.5%

Owner-occupied 79.5%

homeownership rate

Warren County 79.5%

Pennsylvania 69.3%

United States 65.2%

Average household size

2.41

Owner-occupied

1.91

Renter-occupied

owner-occupied average size

Warren County 2.41

Pennsylvania 2.53

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Warren County	Pennsylvania	United States
Total occupied units	16,123	5,274,853	129,227,496
Year moved in
2020 or later	14.8%	20.2%	24.8%
2010 to 2019	33.4%	36.1%	39.6%
2000 to 2009	17.7%	17.5%	16.4%
1999 or earlier	34.1%	26.2%	19.1%
Occupants per room
1.00 or fewer	99.5%	98.4%	96.6%
1.01 to 1.50	0.4%	1%	2.2%
1.51 or more	0.2%	0.6%	1.2%
Vehicles availability
No vehicles	6.2%	10.4%	8.4%
1 vehicle	36.2%	35.1%	33.1%
2 vehicles	38.5%	35.9%	36.6%
3 or more vehicles	19%	18.6%	21.9%
House heating fuel used
Gas	78.7%	56.4%	51.4%
Electricity	8.5%	25.3%	41.3%
Solar	0.1%	0.1%	0.3%
Fuel oil, kerosene etc	2.1%	14%	3.9%
All other fuels	10.5%	3.7%	2%
No fuel used	0.2%	0.5%	1.2%
Selected characteristics
Lacking complete plumbing	0.9%	0.4%	0.4%
Lacking complete kitchen	1.2%	0.8%	0.8%
No telephone service available	1.9%	0.9%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$127,500

owner-occupied units

Median value(USD)

Warren County

$127,500

Pennsylvania

$254,500

United States

$332,700

Housing Cost Burden

20.5%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

20.5%

Owners without a mortgage

10.3%

Renters

33%

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	Pennsylvania	United States
Property value
Median Value	$127,500	$254,500	$332,700
Under $100,000	37%	13.9%	11.4%
$100,000 - $200,000	37.5%	22.4%	15.8%
$200,000 - $300,000	14.7%	22.9%	17.8%
$300,000 - $500,000	8%	25.9%	26.9%
$500,000 - $1,000,000	2.1%	12.8%	20.9%
$1,000,000 and more	0.8%	2.1%	7.1%
Owner-occupied households
With a mortgage	41.7%	58%	60.6%
Without a mortgage	58.3%	42%	39.4%
Median monthly owner costs
With a mortgage	$1,171	$1,762	$1,963
Without a mortgage	$471	$644	$638
Gross rent
Median rent	$755	$1,209	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

19.9%

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

Warren County 19.9%

Pennsylvania 35.2%

United States 35.7%

Adults without a high school diploma

6.8%

of adults (25+) without a high school diploma

Warren County 6.8%

Pennsylvania 7.9%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

7,066

population (age 3+) enrolled in school

Nursery / Preschool

8.5%

K–12

78%

College / Undergraduate

11.2%

Graduate / Professional

2.3%

College-going rate (18-24 yr olds)

17.9%

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

Warren County

17.9%

Pennsylvania

44%

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	Pennsylvania	United States
Total enrolled (age 3+)	7,066	2,913,513	80,089,790
Nursery / preschool	8.5%	5.7%	5.7%
K–12	78%	66.9%	67.6%
Kindergarten	5.5%	4.8%	5%
Elementary: Grades 1–4	22.3%	19.7%	19.8%
Elementary: Grades 5–8	25.4%	20.7%	21%
High School: Grades 9–12	24.8%	21.7%	21.7%
College or graduate school	13.5%	27.4%	26.7%
College, undergraduate	11.2%	21.2%	21%
Graduate, professional school	2.3%	6.2%	5.8%
College-going rate · 18-24 yr olds	17.9%	44%	40.9%
School type
Public school	83.9%	75.3%	82%
Private school	16.1%	24.7%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

27,966

population 25 years and over

Total adults (25+)

Less than 9th grade

2.6%

9th-12th, no diploma

4.2%

HS graduate

46.5%

Some college no degree

15.6%

Associates degree

11.2%

Bachelors degree

12.9%

Graduate or professional degree

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

56.6% · 43.4%

9th-12th, no diploma

50.9% · 49.1%

HS graduate

54.8% · 45.2%

Some college no degree

44.1% · 55.9%

Associates degree

46.7% · 53.3%

Bachelors degree

49.3% · 50.7%

Graduate or professional degree

34.4% · 65.6%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Warren County	Pennsylvania	United States
Population (25+)	27,966	9,189,697	230,807,303
Less than 9th grade	2.6%	2.9%	4.7%
9th–12th, no diploma	4.2%	5%	5.7%
High school diploma or GED	46.5%	32.9%	26%
Some college, no degree	15.6%	15.1%	19.1%
Associate's degree	11.2%	8.9%	8.8%
Bachelor's degree or higher	19.9%	35.2%	35.7%
Bachelor's degree	12.9%	20.9%	21.6%
Graduate or professional	7%	14.3%	14.1%
High School or higher	93.2%	92.1%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$42,754

Median earnings for adults 25+, by level

Less than HS graduate

$33,750

HS graduate

$36,325

Some college or associates

$41,064

Bachelors degree

$64,112

Graduate or professional degree

$65,263

Poverty Rate

3.9%

for ages 25+, with bachelors degree or higher

Less than HS graduate

22.1%

HS graduate

11.4%

Some college or associates

6.9%

Bachelors degree or higher

3.9%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Warren County	Pennsylvania	United States
Median earnings
Population 25+, with earnings	$42,754	$53,549	$52,696
Less than high school graduate	$33,750	$33,591	$32,485
High school graduate (includes equivalency)	$36,325	$40,643	$40,153
Some college or associate's degree	$41,064	$47,736	$47,260
Bachelor's degree	$64,112	$69,335	$70,044
Graduate or professional degree	$65,263	$87,132	$90,720
Poverty rates
Less than high school graduate	22.1%	25.2%	24.2%
High school graduate (includes equivalency)	11.4%	13.3%	14.4%
Some college or associate's degree	6.9%	9.1%	9.8%
Bachelor's degree or higher	3.9%	4.1%	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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