Demographics of Warren County, Pennsylvania

Warren County, Pennsylvania had 37,038 people on July 1, 2025, by the Census Bureau’s estimate: −1,475 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Warren County, in four figures

37,038
Population: July 1, 2025, Vintage 2025 estimate.; −3.8%
Change since July 2020: −1,475 people.; 47.1 ±0.3
Median age: ACS 2020–⁠2024.; $60,480 ±$1,951
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Warren County, Pennsylvania's population shrank 3.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Warren County, Pennsylvania's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Warren County, Pennsylvania's population shrank 3.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Warren County, Pennsylvania's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	38,513	100.0	100.0
2021	38,174	99.1	100.2
2022	37,824	98.2	100.7
2023	37,629	97.7	101.6
2024	37,311	96.9	102.5
2025	37,038	96.2	103.1

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Population of Warren County, Pennsylvania on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	38,513	−71	−59	0	−16
2021	38,174	−339	−239	+2	−122
2022	37,824	−350	−334	+14	−2
2023	37,629	−195	−227	+19	+24
2024	37,311	−318	−216	+7	−105
2025	37,038	−273	−229	+3	−48

Age, 2020–2024

The median age is 47.1 ±0.3: for men 45.7 ±0.3 and for women 48.5 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Warren County by age, ACS 2020–2024
Age	People	Share	Pennsylvania	United States
Under 5	1,945 ±68	5.1% ±0.2	5.2% ±<0.1	5.6% ±<0.1
5 to 17	5,502 ±264	14.5% ±0.7	15.2% ±0.1	16.3% ±<0.1
18 to 24	2,507 ±198	6.6% ±0.5	9.0% ±<0.1	9.1% ±<0.1
25 to 44	8,077 ±280	21.3% ±0.7	25.5% ±0.1	26.9% ±<0.1
45 to 64	10,505 ±338	27.7% ±0.9	25.6% ±0.1	24.8% ±<0.1
65 and over	9,384 ±340	24.7% ±0.9	19.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $60,480 ±$1,951, and income per person $33,371 ±$1,070, in 2024 dollars. The median is $77,971 ±$342 in Pennsylvania and $80,734 ±$166 in the United States.

Households by income

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Households in Warren County by income, ACS 2020–2024
Household income	Households	Share	Pennsylvania	United States
Under $25,000	2,561 ±248	15.9% ±1.5	15.1% ±0.1	14.6% ±<0.1
$25,000 to $49,999	3,887 ±328	24.1% ±2.0	17.4% ±0.1	16.7% ±<0.1
$50,000 to $74,999	3,302 ±272	20.5% ±1.6	15.9% ±0.1	15.5% ±<0.1
$75,000 to $99,999	2,390 ±262	14.8% ±1.6	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	2,420 ±223	15.0% ±1.4	17.7% ±0.1	17.5% ±<0.1
$150,000 to $199,999	912 ±167	5.7% ±1.0	9.3% ±0.1	9.6% ±<0.1
$200,000 or more	651 ±138	4.0% ±0.9	11.8% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Warren County by age, ACS 2020–2024
Age	Below poverty	Rate	Pennsylvania	United States
All ages	4,025 ±454	10.8% ±1.2	11.7% ±0.1	12.5% ±0.1
Under 18	989 ±217	13.5% ±2.9	15.6% ±0.2	16.1% ±0.1
18 to 59	1,768 ±249	10.1% ±1.4	11.0% ±0.2	11.6% ±0.1
60 and over	1,268 ±185	10.2% ±1.5	10.1% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Warren County, ACS 2020–2024
Measure	Warren County	Pennsylvania	United States
Housing units	21,629 ±60	5,806,452 ±672	143,775,355 ±10,234
Occupied	74.5% ±1.4	90.8% ±0.2	89.9% ±0.1
Vacant	25.5% ±1.4	9.2% ±0.2	10.1% ±0.1
Owner occupied	79.5% ±0.7	69.3% ±0.3	65.2% ±0.3
Renter occupied	20.5% ±1.8	30.7% ±0.2	34.8% ±0.1
Median home value	$127,500 ±$4,970	$254,500 ±$767	$332,700 ±$236
Median gross rent	$755 ±$31	$1,209 ±$5	$1,413 ±$2
Median year built	1959 ±2	1965 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Warren County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Pennsylvania	United States
Hispanic or Latino	481 ±0	1.3% ±<0.1	8.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	35,720 ±271	94.2% ±0.7	73.0% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	286 ±71	0.8% ±0.2	10.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	166 ±32	0.4% ±0.1	3.8% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	1 to 17	< 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 75	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	34 to 134	0.1% to 0.4%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,138 ±276	3.0% ±0.7	3.6% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Warren County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Pennsylvania	United States
Born in the state	29,704 ±444	78.3% ±1.2	70.6% ±0.1	57.3% ±<0.1
Born in another state	7,649 ±437	20.2% ±1.2	19.8% ±0.1	26.9% ±<0.1
Born a citizen outside the states	130 ±57	0.3% ±0.2	1.9% ±<0.1	1.7% ±<0.1
Born abroad	437 ±98	1.2% ±0.3	7.7% ±0.1	14.1% ±<0.1
Naturalized citizens	318 ±90	0.8% ±0.2	4.3% ±0.1	7.4% ±<0.1
Not citizens	119 ±44	0.3% ±0.1	3.4% ±0.1	6.8% ±<0.1

Warren County among the counties of Pennsylvania

56th of 67 by population, July 2025. Every one is listed on the Pennsylvania page.

Counties of Pennsylvania near Warren County in population, July 2025
County	July 2025	Change since 2020
Tioga County	40,502	−1.3%
Snyder County	39,655	−0.2%
McKean County	38,984	−3.5%
Susquehanna County	38,237	−0.3%
Clinton County	37,870	+1.3%
Warren County	37,038	−3.8%
Clarion County	36,680	−1.4%
Greene County	33,885	−5.5%
Elk County	29,926	−3.3%
Wyoming County	25,790	−0.9%
Juniata County	23,403	−0.3%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026