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

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

Educational attainment is the headline number in Jennings County: 13.6% of adults 25 and older have a four-year degree. With 27,584 residents, Jennings County is a county in Indiana.

The typical household here earns about $68,476, below the US median of $78,538. The poverty rate is 8.4%, below the national 12.4%. Median home value is $154,600, with typical rent around $906.

Four-year-degree attainment is near the bottom of the range for US counties, 13.6%, below the national 35.0%. Remote work is on the lower side here, at 4.1%, below the national 14.0%, and the average commute runs about 25 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%.

Jennings County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

27,634

Population (2024)

28,482

Population (2010)

28,482

Peak (2010)

-0.21%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	28,482	-	-	estimate
2011	28,154	-328	-1.15%	estimate
2012	28,150	-4	-0.01%	estimate
2013	28,238	+88	+0.31%	estimate
2014	27,930	-308	-1.09%	estimate
2015	27,847	-83	-0.30%	estimate
2016	27,682	-165	-0.59%	estimate
2017	27,686	+4	+0.01%	estimate
2018	27,650	-36	-0.13%	estimate
2019	27,662	+12	+0.04%	estimate
2020	27,579	-83	-0.30%	estimate
2021	27,513	-66	-0.24%	estimate
2022	27,468	-45	-0.16%	estimate
2023	27,614	+146	+0.53%	estimate
2024	27,634	+20	+0.07%	estimate

Race & Ethnicity

White	94.6%
Black or African American	0.5%
Asian	0.0%
Hispanic or Latino (any race)	1.3%
Two or More Races	0.0%

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 rate	8.4%
Unemployment rate	2.7%
Employment-to-population	58.8%

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

Indianapolis (882,043)Fort Wayne (266,235)Evansville (116,441)South Bend (102,866)Fishers (100,918)Carmel (100,501)Bloomington (78,791)Hammond (77,098)Noblesville (71,940)Lafayette (70,650)All Indiana cities →

Other counties in Indiana

Marion County (971,822)Lake County (498,990)Allen County (388,791)Hamilton County (357,176)St. Joseph County (272,574)Elkhart County (206,868)Tippecanoe County (187,399)Vanderburgh County (179,908)Hendricks County (179,379)Porter County (174,150)All Indiana counties →

Part of Indiana

Indiana demographic profile All Indiana data →

Metro areas in Indiana

Chicago (9,359,555)Cincinnati (2,255,257)Indianapolis (2,106,327)Louisville/Jefferson County (1,361,847)Fort Wayne (451,440)South Bend (324,180)Evansville (269,721)Lafayette (225,019)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All 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.