Kearny County, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 74th-largest in Kansas
The population of Kearny County, Kansas is 3,910 as of the 2023 American Community Survey, making it the 74th-largest county in Kansas. The median household income is $74,135, the median home value is $152,500, and the median age is 37.5.
The population of Kearny County has declined 4.8% since 2010 (4,001 → 3,808), a -0.35% annualized rate.
3,910
Population
-0.35%
Annual growth
4
People / sq mi
$74,135
Median Income
$152,500
Median Home Value
Kearny County covers 871 sq mi of land at 4.5 people per square mile.
About Kearny County, KS
Kearny County is a county in Kansas with a population of 3,910. It ranks #74 among counties in Kansas by population. The median age is 37.5, younger than the national median. The population is 52.1% male and 47.9% female.
The median household income in Kearny County is $74,135, near the US median of $74,580. 4.1% of residents live below the federal poverty level. Home values sit at a median of $152,500, with monthly rent averaging $1,137. The homeownership rate of 73.2% is higher than the national rate of 64.8%.
Educational attainment in Kearny County reflects 14.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.4 minutes each way.
Kearny County Population History (2010-2024)
The county of Kearny County had a population of 4,001 in 2010 and 3,808 in 2024, a -4.8% growth over 14 years. The peak was 4,001 in 2010. Average annual growth rate: -0.34%.
3,808
Population (2024)
4,001
Population (2010)
4,001
Peak (2010)
-0.34%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,001 |
| 2011 | 3,960 |
| 2012 | 3,974 |
| 2013 | 3,913 |
| 2014 | 3,940 |
| 2015 | 3,936 |
| 2016 | 3,896 |
| 2017 | 3,939 |
| 2018 | 3,926 |
| 2019 | 3,807 |
| 2020 | 3,960 |
| 2021 | 3,895 |
| 2022 | 3,854 |
| 2023 | 3,803 |
| 2024 | 3,808 |
Race & Ethnicity
| White | 75.3% |
| Black or African American | 1.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Age & Sex
37.5
Median Age
47.9%
Female
52.1%
Male
16.5%
Age 65+
Age Distribution
Children (under 15): 25.3% · Seniors (65+): 16.5%
Income & Poverty
| Median household income | $74,135+$1,496 vs state |
| Mean household income | $89,951 |
| Per-capita income | $31,556 |
| Poverty rate | 4.1%-3.6% vs state |
| Unemployment rate | 0.8% |
| Employment-to-population | 61.0% |
Top Industries by Employment
The largest employment sector in Kearny County is agriculture, accounting for 24.1% of workers.
How residents commute
0.0%
Drive alone
2.1%
Carpool
77.1%
Public transit
6.3%
Work from home
20.4 min
Avg commute
Housing
$152,500$-50,900 vs state
Median home value
$1,137
Median rent
73.2%
Homeownership rate
1,579
Total housing units
86.4%
Occupied
13.6%
Vacant
26.8%
Renter-occupied
Social & access
88.5%
With health insurance
96.6%
With broadband internet
22.9%
Foreign-born
4.4%
Veterans (18+)
14.8%
With a disability
70.8%
Speak language other than English at home
Education
85.3%
High School+
14.6%
Bachelor's+
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County rankings
Frequently Asked Questions
Kearny County, Kansas has a population of 3,910 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 74th-largest county in Kansas. Population density is 4 people per square mile.
The population of Kearny County has declined 4.8% since 2010 (4,001 → 3,808), a -0.35% annualized rate.
The median household income in Kearny County, Kansas is $74,135, with mean (average) household income of $89,951 and per-capita income of $31,556. 4.1% of residents live below the federal poverty level.
In Kearny County, the largest racial and ethnic groups are White (75.3%), Hispanic or Latino (1.5%), Black or African American (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Kearny County, Kansas is 37.5 years. Residents are 47.9% female and 52.1% male.
The median home value in Kearny County is $152,500 and median monthly rent is $1,137. 73.2% of occupied housing units are owner-occupied. The county has 1,579 total housing units, 13.6% of which are vacant.
The largest employment sector in Kearny County, Kansas is agriculture, forestry, fishing, and mining, employing 24.1% of workers. The unemployment rate is 0.8%.
Wichita is among the largest cities associated with Kearny County, Kansas, with a population of 396,488.
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Population, race, income, age, and trends across Kansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.