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
The poverty rate is what most separates Kearny County from the typical county: 4.1% of residents live below the federal poverty line, against 12.4% nationally. With 3,910 residents, Kearny County is a county in Kansas.
Households take in a median $74,135, comfortably below the US median of $78,538. Poverty is among the lowest of comparable US counties, at 4.1% — below the national 12.4%. The typical home is valued at $152,500, with typical rent around $1,137.
College attainment is 14.6%, below the national 35.0%. About 6.3% of the workforce is home-based, below the national 14.0%, and the average commute runs about 20 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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Statewide data for Kansas
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.