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Population Review

Jennings County, Indiana Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 58th-largest in Indiana

The population of Jennings County, Indiana is 27,584 as of the 2023 American Community Survey, making it the 58th-largest county in Indiana. The median household income is $68,476, the median home value is $154,600, and the median age is 40.1.

The population of Jennings County has declined 3.0% since 2010 (28,482 → 27,634), a -0.22% annualized rate.

Jennings County within Indiana · Source: US Census TIGER/Line via us-atlas

27,584

Population

-0.22%

Annual growth

73

People / sq mi

$68,476

Median Income

$154,600

Median Home Value

Jennings County covers 377 sq mi of land at 73.2 people per square mile.

About Jennings County, IN

Jennings County is a county in Indiana with a population of 27,584. It ranks #58 among counties in Indiana by population. The median age is 40.1, older than the national median. The population is 50.8% male and 49.2% female.

The median household income in Jennings County is $68,476, below the US median of $74,580. 8.4% of residents live below the federal poverty level. Home values sit at a median of $154,600, with monthly rent averaging $906. The homeownership rate of 79.0% is higher than the national rate of 64.8%.

Educational attainment in Jennings County reflects 13.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.1 minutes each way.

Jennings County Population History (2010-2024)

The county of Jennings County had a population of 28,482 in 2010 and 27,634 in 2024, a -3.0% growth over 14 years. The peak was 28,482 in 2010. Average annual growth rate: -0.21%.

2010 · 28K20102024

27,634

Population (2024)

28,482

Population (2010)

28,482

Peak (2010)

-0.21%

Avg Annual Growth

YearPopulation
201028,482
201128,154
201228,150
201328,238
201427,930
201527,847
201627,682
201727,686
201827,650
201927,662
202027,579
202127,513
202227,468
202327,614
202427,634

Race & Ethnicity

White94.6%
Black or African American0.5%
Asian0.0%
Hispanic or Latino (any race)1.3%
Two or More Races0.0%

Age & Sex

40.1

Median Age

49.2%

Female

50.8%

Male

16.8%

Age 65+

Age Distribution

Under 5
5.7%
5–9
6.4%
10–14
6.9%
15–19
6.1%
20–24
5.7%
25–34
12.6%
35–44
12.1%
45–54
13.6%
55–59
6.7%
60–64
7.3%
65–74
10.0%
75–84
5.3%
85+
1.5%

Children (under 15): 19.0% · Seniors (65+): 16.8%

Income & Poverty

Median household income$68,476$-1,575 vs state
Mean household income$79,540
Per-capita income$31,077
Poverty rate8.4%
Unemployment rate2.7%
Employment-to-population58.8%

Top Industries by Employment

Manufacturing
27.1%
Professional & business services
20.5%
Construction
8.2%
Education & health care
7.4%
Finance & real estate
5.7%
Retail trade
5.3%
Public administration
4.5%
Arts, entertainment & food
2.8%

The largest employment sector in Jennings County is manufacturing, accounting for 27.1% of workers.

How residents commute

0.0%

Drive alone

0.9%

Carpool

82.8%

Public transit

4.1%

Work from home

25.1 min

Avg commute

Housing

$154,600$-47,000 vs state

Median home value

$906

Median rent

79.0%

Homeownership rate

11,691

Total housing units

92.0%

Occupied

8.0%

Vacant

21.0%

Renter-occupied

Social & access

91.0%

With health insurance

91.1%

With broadband internet

18.6%

Foreign-born

8.7%

Veterans (18+)

18.9%

With a disability

97.1%

Speak language other than English at home

Education

87.6%

High School+

13.6%

Bachelor's+

Largest cities in Indiana

Other counties in Indiana

Part of Indiana

Metro areas in Indiana

County rankings

Frequently Asked Questions

Jennings County, Indiana has a population of 27,584 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 58th-largest county in Indiana. Population density is 73 people per square mile.

The population of Jennings County has declined 3.0% since 2010 (28,482 → 27,634), a -0.22% annualized rate.

The median household income in Jennings County, Indiana is $68,476, with mean (average) household income of $79,540 and per-capita income of $31,077. 8.4% of residents live below the federal poverty level.

In Jennings County, the largest racial and ethnic groups are White (94.6%), Hispanic or Latino (1.3%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Jennings County, Indiana is 40.1 years. Residents are 49.2% female and 50.8% male.

The median home value in Jennings County is $154,600 and median monthly rent is $906. 79.0% of occupied housing units are owner-occupied. The county has 11,691 total housing units, 8.0% of which are vacant.

The largest employment sector in Jennings County, Indiana is manufacturing, employing 27.1% of workers. The unemployment rate is 2.7%.

Indianapolis is among the largest cities associated with Jennings County, Indiana, with a population of 882,043.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.