Demographics of Warren County, Indiana

Warren County, Indiana had 8,474 people on July 1, 2025, by the Census Bureau’s estimate: +49 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

8,474
Population: July 1, 2025, Vintage 2025 estimate.; +0.6%
Change since July 2020: +49 people.; 43.5 ±0.5
Median age: ACS 2020–⁠2024.; $82,425 ±$5,767
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, Indiana's population grew 0.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Warren County, Indiana'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, Indiana's population grew 0.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Warren County, Indiana'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	8,425	100.0	100.0
2021	8,449	100.3	100.2
2022	8,472	100.6	100.7
2023	8,497	100.9	101.6
2024	8,467	100.5	102.5
2025	8,474	100.6	103.1

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Population of Warren County, Indiana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	8,425	−11	−1	0	−10
2021	8,449	+24	−55	+1	+73
2022	8,472	+23	−16	+7	+35
2023	8,497	+25	−20	+14	+36
2024	8,467	−30	−19	+4	−15
2025	8,474	+7	−17	0	+24

Age, 2020–2024

The median age is 43.5 ±0.5: for men 43.3 ±1.7 and for women 43.7 ±0.6. 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	Indiana	United States
Under 5	390 ±24	4.6% ±0.3	6.0% ±<0.1	5.6% ±<0.1
5 to 17	1,443 ±165	17.0% ±1.9	17.3% ±0.1	16.3% ±<0.1
18 to 24	541 ±73	6.4% ±0.9	9.6% ±0.1	9.1% ±<0.1
25 to 44	1,981 ±154	23.4% ±1.8	25.8% ±0.1	26.9% ±<0.1
45 to 64	2,297 ±146	27.1% ±1.7	24.5% ±0.1	24.8% ±<0.1
65 and over	1,812 ±178	21.4% ±2.1	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $82,425 ±$5,767, and income per person $39,993 ±$2,676, in 2024 dollars. The median is $71,957 ±$352 in Indiana 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	Indiana	United States
Under $25,000	370 ±93	11.0% ±2.8	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	571 ±121	17.0% ±3.6	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	600 ±113	17.9% ±3.3	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	376 ±89	11.2% ±2.6	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	959 ±154	28.6% ±4.5	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	285 ±89	8.5% ±2.6	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	198 ±72	5.9% ±2.1	8.2% ±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	Indiana	United States
All ages	916 ±279	11.0% ±3.3	12.3% ±0.2	12.5% ±0.1
Under 18	263 ±123	14.7% ±6.6	16.0% ±0.3	16.1% ±0.1
18 to 59	477 ±157	11.2% ±3.6	11.9% ±0.2	11.6% ±0.1
60 and over	176 ±62	7.7% ±2.7	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Warren County, ACS 2020–2024
Measure	Warren County	Indiana	United States
Housing units	3,706 ±29	2,976,568 ±617	143,775,355 ±10,234
Occupied	90.6% ±3.0	91.2% ±0.2	89.9% ±0.1
Vacant	9.4% ±3.1	8.8% ±0.2	10.1% ±0.1
Owner occupied	82.4% ±2.9	70.6% ±0.3	65.2% ±0.3
Renter occupied	17.6% ±3.5	29.4% ±0.3	34.8% ±0.1
Median home value	$182,500 ±$21,336	$218,200 ±$739	$332,700 ±$236
Median gross rent	$830 ±$91	$1,062 ±$5	$1,413 ±$2
Median year built	1973 ±4	1976 ±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	Indiana	United States
Hispanic or Latino	39 to 207	0.5% to 2.4%	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	7,974 ±33	94.2% ±0.4	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 28	0% to 0.3%	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 38	0% to 0.4%	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 20	0% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 7	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 56	0% to 0.7%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	304 ±96	3.6% ±1.1	3.8% ±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	Indiana	United States
Born in the state	5,160 ±267	61.0% ±3.2	67.0% ±0.2	57.3% ±<0.1
Born in another state	3,175 ±260	37.5% ±3.1	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	2 to 66	< 0.1% to 0.8%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	32 to 158	0.4% to 1.9%	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	24 to 136	0.3% to 1.6%	2.6% ±0.1	7.4% ±<0.1
Not citizens	0 to 39	0% to 0.5%	3.7% ±0.1	6.8% ±<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%.

Warren County among the counties of Indiana

90th of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Warren County in population, July 2025
County	July 2025	Change since 2020
Blackford County	11,730	−3.1%
Crawford County	10,509	−0.2%
Switzerland County	10,037	+3.0%
Martin County	9,856	+0.5%
Benton County	8,883	+2.0%
Warren County	8,474	+0.6%
Union County	6,863	−3.1%
Ohio County	5,994	+1.1%

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