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.
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
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%.
27,634
Population (2024)
28,482
Population (2010)
28,482
Peak (2010)
-0.21%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 28,482 |
| 2011 | 28,154 |
| 2012 | 28,150 |
| 2013 | 28,238 |
| 2014 | 27,930 |
| 2015 | 27,847 |
| 2016 | 27,682 |
| 2017 | 27,686 |
| 2018 | 27,650 |
| 2019 | 27,662 |
| 2020 | 27,579 |
| 2021 | 27,513 |
| 2022 | 27,468 |
| 2023 | 27,614 |
| 2024 | 27,634 |
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
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
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.
Jennings County, IN Climate
Jennings County, IN has an average annual temperature of 11.9°C (53°F) and receives about 1127 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.9°C
Avg Temp
1127
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 72 mm |
| February | 0° / 33° | 69 mm |
| March | 6° / 43° | 102 mm |
| April | 12° / 53° | 113 mm |
| May | 17° / 62° | 122 mm |
| June | 22° / 71° | 100 mm |
| July | 24° / 75° | 108 mm |
| August | 23° / 73° | 103 mm |
| September | 19° / 67° | 77 mm |
| October | 13° / 55° | 78 mm |
| November | 7° / 45° | 96 mm |
| December | 1° / 34° | 87 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Jennings County, IN
The most comfortable months to visit Jennings County, IN are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -6°C low). May is usually the wettest month.
Where to stay near Jennings County
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Population, race, income, age, and trends across Indiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.