Warren County, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 55th-largest in Pennsylvania
The population of Warren County, Pennsylvania is 38,174 as of the 2023 American Community Survey, making it the 55th-largest county in Pennsylvania. The median household income is $59,013, the median home value is $121,800, and the median age is 47.4.
The population of Warren County has declined 10.5% since 2010 (41,770 → 37,373), a -0.79% annualized rate.
38,174
Population
-0.79%
Annual growth
43
People / sq mi
$59,013
Median Income
$121,800
Median Home Value
Warren County covers 884 sq mi of land at 43.2 people per square mile.
About Warren County, PA
Warren County is a county in Pennsylvania with a population of 38,174. It ranks #55 among counties in Pennsylvania by population. The median age is 47.4, older than the national median. The population is 50.4% male and 49.6% female.
The median household income in Warren County is $59,013, below the US median of $74,580. 7.3% of residents live below the federal poverty level. Home values sit at a median of $121,800, with monthly rent averaging $756. The homeownership rate of 78.0% is higher than the national rate of 64.8%.
Educational attainment in Warren County reflects 19.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.7 minutes each way.
Warren County Population History (2010-2024)
The county of Warren County had a population of 41,770 in 2010 and 37,373 in 2024, a -10.5% growth over 14 years. The peak was 41,770 in 2010. Average annual growth rate: -0.79%.
37,373
Population (2024)
41,770
Population (2010)
41,770
Peak (2010)
-0.79%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 41,770 |
| 2011 | 41,512 |
| 2012 | 41,268 |
| 2013 | 40,963 |
| 2014 | 40,667 |
| 2015 | 40,346 |
| 2016 | 40,039 |
| 2017 | 39,682 |
| 2018 | 39,528 |
| 2019 | 39,171 |
| 2020 | 38,526 |
| 2021 | 38,184 |
| 2022 | 37,843 |
| 2023 | 37,672 |
| 2024 | 37,373 |
Race & Ethnicity
| White | 95.2% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.1% |
Age & Sex
47.4
Median Age
49.6%
Female
50.4%
Male
24.2%
Age 65+
Age Distribution
Children (under 15): 16.1% · Seniors (65+): 24.2%
Income & Poverty
| Median household income | $59,013$-17,068 vs state |
| Mean household income | $76,006 |
| Per-capita income | $33,333 |
| Poverty rate | 7.3%-0.8% vs state |
| Unemployment rate | 2.3% |
| Employment-to-population | 53.1% |
Top Industries by Employment
The largest employment sector in Warren County is professional & business services, accounting for 24.7% of workers.
How residents commute
0.8%
Drive alone
3.3%
Carpool
79.3%
Public transit
5.0%
Work from home
20.7 min
Avg commute
Housing
$121,800$-118,700 vs state
Median home value
$756
Median rent
78.0%
Homeownership rate
21,641
Total housing units
75.2%
Occupied
24.8%
Vacant
22.0%
Renter-occupied
Social & access
95.6%
With health insurance
90.9%
With broadband internet
19.5%
Foreign-born
11.0%
Veterans (18+)
15.8%
With a disability
96.8%
Speak language other than English at home
Education
93.9%
High School+
19.5%
Bachelor's+
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Part of Pennsylvania
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County rankings
Frequently Asked Questions
Warren County, Pennsylvania has a population of 38,174 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 55th-largest county in Pennsylvania. Population density is 43 people per square mile.
The population of Warren County has declined 10.5% since 2010 (41,770 → 37,373), a -0.79% annualized rate.
The median household income in Warren County, Pennsylvania is $59,013, with mean (average) household income of $76,006 and per-capita income of $33,333. 7.3% of residents live below the federal poverty level.
In Warren County, the largest racial and ethnic groups are White (95.2%), Black or African American (0.8%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Warren County, Pennsylvania is 47.4 years. Residents are 49.6% female and 50.4% male.
The median home value in Warren County is $121,800 and median monthly rent is $756. 78.0% of occupied housing units are owner-occupied. The county has 21,641 total housing units, 24.8% of which are vacant.
The largest employment sector in Warren County, Pennsylvania is professional, scientific, and management services, employing 24.7% of workers. The unemployment rate is 2.3%.
Philadelphia is among the largest cities associated with Warren County, Pennsylvania, with a population of 1,582,432.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.