Kosciusko County, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 22nd-largest in Indiana
The population of Kosciusko County, Indiana is 80,357 as of the 2023 American Community Survey, making it the 22nd-largest county in Indiana. The median household income is $73,922, the median home value is $200,300, and the median age is 39.0.
The population of Kosciusko County has grown 4.3% since 2010 (77,338 → 80,669), a +0.30% annualized rate.
80,357
Population
+0.30%
Annual growth
151
People / sq mi
$73,922
Median Income
$200,300
Median Home Value
Kosciusko County covers 531 sq mi of land at 151.2 people per square mile.
About Kosciusko County, IN
Kosciusko County stands apart on settlement density — it is among the most densely settled of US counties, at roughly 151 people per square mile. Kosciusko County is a county in Indiana with a population of 80,357. It ranks #22 among counties in Indiana by population.
Households take in a median $73,922, comfortably below the US median of $78,538. Poverty is relatively low for US counties at 6.6%, below the national 12.4%. The typical home is valued at $200,300, with typical rent around $995.
Roughly 24.6% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 7.7%, and the average commute runs about 20 minutes each way.
That density explains much of the rest of the profile in Kosciusko County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Kosciusko County Population History (2010-2024)
The county of Kosciusko County had a population of 77,338 in 2010 and 80,669 in 2024, a 4.3% growth over 14 years. The peak was 80,676 in 2022. Average annual growth rate: 0.30%.
80,669
Population (2024)
77,338
Population (2010)
80,676
Peak (2022)
0.30%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 77,338 |
| 2011 | 77,349 |
| 2012 | 77,605 |
| 2013 | 77,873 |
| 2014 | 78,384 |
| 2015 | 78,562 |
| 2016 | 78,764 |
| 2017 | 79,121 |
| 2018 | 79,467 |
| 2019 | 79,438 |
| 2020 | 80,161 |
| 2021 | 80,265 |
| 2022 | 80,676 |
| 2023 | 80,441 |
| 2024 | 80,669 |
Race & Ethnicity
| White | 87.9% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
39.0
Median Age
50.0%
Female
50.0%
Male
17.5%
Age 65+
Age Distribution
Children (under 15): 19.5% · Seniors (65+): 17.5%
Income & Poverty
| Median household income | $73,922+$3,871 vs state |
| Mean household income | $90,354 |
| Per-capita income | $36,316 |
| Poverty rate | 6.6%-1.8% vs state |
| Unemployment rate | 1.9% |
| Employment-to-population | 62.8% |
Top Industries by Employment
The largest employment sector in Kosciusko County is manufacturing, accounting for 40.5% of workers.
How residents commute
0.2%
Drive alone
2.4%
Carpool
77.5%
Public transit
7.7%
Work from home
20.4 min
Avg commute
Housing
$200,300$-1,300 vs state
Median home value
$995
Median rent
77.0%
Homeownership rate
38,587
Total housing units
82.3%
Occupied
17.7%
Vacant
23.0%
Renter-occupied
Social & access
88.9%
With health insurance
92.2%
With broadband internet
22.9%
Foreign-born
6.5%
Veterans (18+)
13.5%
With a disability
87.7%
Speak language other than English at home
Education
88.0%
High School+
24.6%
Bachelor's+
Largest cities in Indiana
Other counties in Indiana
Part of Indiana
Metro areas in Indiana
County rankings
Frequently Asked Questions
Kosciusko County, Indiana has a population of 80,357 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 22nd-largest county in Indiana. Population density is 151 people per square mile.
The population of Kosciusko County has grown 4.3% since 2010 (77,338 → 80,669), a +0.30% annualized rate.
The median household income in Kosciusko County, Indiana is $73,922, with mean (average) household income of $90,354 and per-capita income of $36,316. 6.6% of residents live below the federal poverty level.
In Kosciusko County, the largest racial and ethnic groups are White (87.9%), Hispanic or Latino (0.8%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Kosciusko County, Indiana is 39.0 years. Residents are 50.0% female and 50.0% male.
The median home value in Kosciusko County is $200,300 and median monthly rent is $995. 77.0% of occupied housing units are owner-occupied. The county has 38,587 total housing units, 17.7% of which are vacant.
The largest employment sector in Kosciusko County, Indiana is manufacturing, employing 40.5% of workers. The unemployment rate is 1.9%.
Indianapolis is among the largest cities associated with Kosciusko County, Indiana, with a population of 882,043.
Kosciusko County, IN Climate
Kosciusko County, IN has an average annual temperature of 9.7°C (49°F) and receives about 960 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.7°C
Avg Temp
960
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 50 mm |
| February | -3° / 27° | 45 mm |
| March | 3° / 37° | 72 mm |
| April | 9° / 49° | 94 mm |
| May | 16° / 60° | 96 mm |
| June | 21° / 69° | 104 mm |
| July | 23° / 73° | 96 mm |
| August | 22° / 71° | 93 mm |
| September | 18° / 64° | 88 mm |
| October | 11° / 52° | 71 mm |
| November | 5° / 40° | 79 mm |
| December | -2° / 29° | 72 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 Kosciusko County, IN
The most comfortable months to visit Kosciusko County, IN are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -9°C low). June is usually the wettest month.
Where to stay near Kosciusko County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.