Demographics of Jennings County, Indiana

Jennings County, Indiana had 27,622 people on July 1, 2025, by the Census Bureau’s estimate: +35 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.

Jennings County, in four figures

27,622
Population: July 1, 2025, Vintage 2025 estimate.; +0.1%
Change since July 2020: +35 people.; 40.3 ±0.9
Median age: ACS 2020–⁠2024.; $69,322 ±$3,369
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.

Jennings County, Indiana's population grew 0.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Jennings 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).

Source: The Census Bureau

About this chart

The figures

Jennings County, Indiana's population grew 0.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Jennings 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	27,587	100.0	100.0
2021	27,510	99.7	100.2
2022	27,467	99.6	100.7
2023	27,630	100.2	101.6
2024	27,724	100.5	102.5
2025	27,622	100.1	103.1

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Population of Jennings 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	27,587	−30	−8	0	−27
2021	27,510	−77	−12	+1	−87
2022	27,467	−43	−80	+4	+52
2023	27,630	+163	−21	+4	+185
2024	27,724	+94	+11	+57	+28
2025	27,622	−102	+3	+18	−122

Age, 2020–2024

The median age is 40.3 ±0.9: for men 40.4 ±1.6 and for women 40.1 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Jennings County by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	1,539 ±40	5.6% ±0.1	6.0% ±<0.1	5.6% ±<0.1
5 to 17	4,838 ±320	17.6% ±1.2	17.3% ±0.1	16.3% ±<0.1
18 to 24	2,077 ±265	7.5% ±1.0	9.6% ±0.1	9.1% ±<0.1
25 to 44	6,826 ±446	24.8% ±1.6	25.8% ±0.1	26.9% ±<0.1
45 to 64	7,464 ±417	27.1% ±1.5	24.5% ±0.1	24.8% ±<0.1
65 and over	4,818 ±420	17.5% ±1.5	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $69,322 ±$3,369, and income per person $31,235 ±$1,431, 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 Jennings County by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	1,534 ±305	14.0% ±2.8	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,173 ±368	19.9% ±3.3	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	2,187 ±406	20.0% ±3.7	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,854 ±308	16.9% ±2.8	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,021 ±347	18.5% ±3.1	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	884 ±222	8.1% ±2.0	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	291 ±129	2.7% ±1.2	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 Jennings County by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	3,371 ±577	12.6% ±2.2	12.3% ±0.2	12.5% ±0.1
Under 18	847 ±236	14.7% ±3.9	16.0% ±0.3	16.1% ±0.1
18 to 59	1,916 ±379	13.3% ±2.6	11.9% ±0.2	11.6% ±0.1
60 and over	608 ±186	9.3% ±2.8	9.6% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Jennings County, ACS 2020–2024
Measure	Jennings County	Indiana	United States
Housing units	11,731 ±32	2,976,568 ±617	143,775,355 ±10,234
Occupied	93.3% ±2.0	91.2% ±0.2	89.9% ±0.1
Vacant	6.7% ±2.0	8.8% ±0.2	10.1% ±0.1
Owner occupied	78.8% ±2.8	70.6% ±0.3	65.2% ±0.3
Renter occupied	21.2% ±3.2	29.4% ±0.3	34.8% ±0.1
Median home value	$161,500 ±$7,538	$218,200 ±$739	$332,700 ±$236
Median gross rent	$988 ±$84	$1,062 ±$5	$1,413 ±$2
Median year built	1982 ±3	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 Jennings County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	957 ±0	3.5% ±<0.1	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	25,565 ±171	92.8% ±0.6	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	38 to 154	0.1% to 0.6%	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	17 to 233	0.1% to 0.8%	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	9 to 71	< 0.1% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 24	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 189	0% to 0.7%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	686 ±176	2.5% ±0.6	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 Jennings County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	22,322 ±579	81.0% ±2.1	67.0% ±0.2	57.3% ±<0.1
Born in another state	4,645 ±574	16.9% ±2.1	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	49 to 289	0.2% to 1.0%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	426 ±134	1.5% ±0.5	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	44 to 234	0.2% to 0.8%	2.6% ±0.1	7.4% ±<0.1
Not citizens	124 to 450	0.4% to 1.6%	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%.

Jennings County among the counties of Indiana

58th of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Jennings County in population, July 2025
County	July 2025	Change since 2020
Greene County	31,165	+1.2%
Wabash County	30,713	−0.7%
Ripley County	29,434	+1.6%
Wells County	28,883	+2.6%
Washington County	28,383	+0.5%
Jennings County	27,622	+0.1%
Decatur County	26,576	+0.4%
Clay County	26,410	−0.1%
White County	25,164	+2.0%
Scott County	25,053	+2.8%
Posey County	24,988	−0.8%

Elsewhere on the site

Rankings this appears in

No. 58 Counties by population in Indiana
No. 68 Counties by population growth in Indiana

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

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026