Jennings County Demographics

A map of Jennings County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	25,565	25,665	92.8%	92.9%
Hispanic	957	859	3.5%	3.1%
Multiracial	686	780	2.5%	2.8%
Native American/Other	133	85	0.5%	0.3%
Asian	125	49	0.5%	0.2%
Black	96	175	0.3%	0.6%

Jennings County, Indiana has an estimated population of 27,562, a less than 1% change from the 27,613 recorded in the 2020 Census. The population is 92.8% White, 3.5% Hispanic, 2.5% Multiracial, 0.5% Asian, 0.5% Native American/Other, and 0.3% Black. This demographic dot map shows the population of Jennings County, with one dot drawn for each person counted by the Census, color-coded by race.

Jennings is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Indiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Jennings County, that probability was 13.4% in 2020 and 13.8% in the most recent ACS estimates.

Jennings County is ranked the 58th most populous county in Indiana, out of 92 counties. Jennings County was ranked the 58th most populous county in the 2020 Census.

Jennings County's White Population

25,565 residents of Jennings County, or 92.8% of the population, identify as White. The share of White residents in Jennings County is significantly higher than in Indiana overall, where 75.4% of the population is White. Jennings County ranks 33rd statewide in terms of White residents as a share of the population, out of 92 counties.

Since the 2020 Census, Jennings County's White population has remained roughly the same. White residents' share of Jennings County's population has remained roughly unchanged at 92.8%.

Jennings County is more White than neighboring Jefferson County (91% White), and Bartholomew County (77.7% White). Jennings County is less White than neighboring Scott County (93.5% White), Decatur County (93.1% White), and Ripley County (94.2% White).

Jennings County's Black Population

96 residents of Jennings County, or 0.3% of the population, identify as Black. The share of Black residents in Jennings County is lower than in Indiana overall, where 9.1% of the population is Black. Jennings County ranks 48th statewide in terms of Black residents as a share of the population, out of 92 counties.

Since the 2020 Census, Jennings County's Black population has declined by an estimated 45.1%. Black residents' share of Jennings County's population has remained roughly unchanged at 0.3%.

Jennings County is less Black than neighboring Jefferson County (1% Black), Scott County (0.4% Black), Decatur County (0.4% Black), Bartholomew County (1.8% Black), and Ripley County (0.7% Black).

Jennings County's Asian Population

125 residents of Jennings County, or 0.5% of the population, identify as Asian. The share of Asian residents in Jennings County is slightly lower than in Indiana overall, where 2.6% of the population is Asian. Jennings County ranks 87th statewide in terms of Asian residents as a share of the population, out of 92 counties.

Since the 2020 Census, Jennings County's Asian population has grown by an estimated 155.1%. Asian residents' share of Jennings County's population has remained roughly unchanged at 0.5%.

Jennings County is more Asian than neighboring Scott County (0% Asian), and Decatur County (0.1% Asian). Jennings County is less Asian than neighboring Jefferson County (0.8% Asian), and Bartholomew County (7.4% Asian).

Jennings County's Hispanic Population

957 residents of Jennings County, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Jennings County is lower than in Indiana overall, where 8.6% of the population is Hispanic. Jennings County ranks 50th statewide in terms of Hispanic residents as a share of the population, out of 92 counties.

Since the 2020 Census, Jennings County's Hispanic population has grown by an estimated 11.4%. Hispanic residents' share of Jennings County's population has remained roughly unchanged at 3.5%.

Jennings County is more Hispanic than neighboring Scott County (2.6% Hispanic), Decatur County (2.5% Hispanic), and Ripley County (2% Hispanic). Jennings County is less Hispanic than neighboring Bartholomew County (9.2% Hispanic).

Jennings County's Native American/Other Population

133 residents of Jennings County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Jennings County is comparable to the share in Indiana overall, where 0.5% of the population is Native American/Other. Jennings County ranks 87th statewide in terms of Native American/Other residents as a share of the population, out of 92 counties.

Since the 2020 Census, Jennings County's Native American/Other population has grown by an estimated 56.5%. Native American/Other residents' share of Jennings County's population has remained roughly unchanged at 0.5%.

Jennings County is more Native American/Other than neighboring Ripley County (0.4% Native American/Other). Jennings County is less Native American/Other than neighboring Jefferson County (1% Native American/Other), and Scott County (1.1% Native American/Other).

Jennings County's Multiracial Population

686 residents of Jennings County, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Jennings County is comparable to the share in Indiana overall, where 3.8% of the population is Multiracial. Jennings County ranks 71st statewide in terms of Multiracial residents as a share of the population, out of 92 counties.

Since the 2020 Census, Jennings County's Multiracial population has declined by an estimated 12.1%. Multiracial residents' share of Jennings County's population has remained roughly unchanged at 2.5%.

Jennings County is more Multiracial than neighboring Scott County (2.4% Multiracial), and Ripley County (2.2% Multiracial). Jennings County is less Multiracial than neighboring Jefferson County (2.7% Multiracial), Decatur County (3.4% Multiracial), and Bartholomew County (3.4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.