How many people live in Kearny County, KS?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 3,800 people living in Kearny County, KS. That makes Kearny County the 74th-most populous county in Kansas. It is home to 0.13% of people living in the state.
3.81K
population of Kearny County, KS (2024)
0.13%
County share of the Kansas population (2024)
About 3,800 people lived in Kearny County, KS in 2024.
Population estimates, 2000–2024
What are Kearny County, KS’s age demographics?
About 632 Kearny County residents are aged 65 and older in 2024. That represents 16.6% of its population. For comparison, the age group represents 17.9% of Kansas’s population and 18% in the US overall.
Another 1,100 Kearny County residents, or 29.7% of the population, were children under 18. For comparison, the age group represents 23.5% of Kansas’s population and 21.6% in the US overall.
A higher share of Kearny County, KS's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Kearny County, KS’s racial and ethnic demographics?
Non-Hispanic white residents make up 58.7% of the Kearny County, KS population, higher than the national share of 57.5%. Kearny County, KS also has a larger share of people identifying as Hispanic (36.4%) than the US overall (20%).
In contrast, Kearny County’s non-Hispanic Black or African American population accounts for 1.1%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 0.58% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Kearny County, KS has a higher share of a Hispanic population than Kansas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Kearny County, KS is Lakin with about 2,100 residents in 2024.
Cities and towns in Kearny County, KS ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Lakin | 2,112 |
| 2. | Deerfield | 688 |
| 3. | Southside | 253 |
| 4. | Hartland | 106 |
| 5. | East Hibbard | 83 |
| 6. | Kendall | 80 |
| 7. | West Hibbard | 43 |
| 8. | Balance of Lakin | 285 |
| 9. | Balance of Deerfield | 158 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
