Leavenworth County, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 6th-largest in Kansas
The population of Leavenworth County, Kansas is 82,493 as of the 2023 American Community Survey, making it the 6th-largest county in Kansas. The median household income is $86,906, the median home value is $260,600, and the median age is 38.3.
The population of Leavenworth County has grown 10.6% since 2010 (76,536 → 84,670), a +0.72% annualized rate.
82,493
Population
+0.72%
Annual growth
178
People / sq mi
$86,906
Median Income
$260,600
Median Home Value
Leavenworth County covers 463 sq mi of land at 178.0 people per square mile.
About Leavenworth County, KS
Among US counties, Leavenworth County stands out first on household income: a median of $86,906, above the US median of $78,538. With 82,493 residents, Leavenworth County is a county in Kansas. It is the #6-largest of all counties in Kansas nationally.
Earnings sit at the high end: a median household income of $86,906, above the US median of $78,538. Only 6.3% of residents live in poverty, below the national 12.4%. The median home value is $260,600, with typical rent around $1,138.
Educational attainment is on the higher side for US counties — 36.6% of adults hold a four-year degree, near the national 35.0%. A solid 10.2% of workers are based at home, below the national 14.0%, and the average commute runs about 24 minutes each way.
Taken together, the income and housing figures place Leavenworth County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Leavenworth County Population History (2010-2024)
The county of Leavenworth County had a population of 76,536 in 2010 and 84,670 in 2024, a 10.6% growth over 14 years. The peak was 84,670 in 2024. Average annual growth rate: 0.72%.
84,670
Population (2024)
76,536
Population (2010)
84,670
Peak (2024)
0.72%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 76,536 |
| 2011 | 77,116 |
| 2012 | 77,708 |
| 2013 | 78,177 |
| 2014 | 78,678 |
| 2015 | 79,269 |
| 2016 | 80,422 |
| 2017 | 81,259 |
| 2018 | 81,659 |
| 2019 | 81,911 |
| 2020 | 81,961 |
| 2021 | 82,395 |
| 2022 | 82,852 |
| 2023 | 83,735 |
| 2024 | 84,670 |
Race & Ethnicity
| White | 80.5% |
| Black or African American | 7.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.5% |
| Two or More Races | 0.0% |
Age & Sex
38.3
Median Age
46.7%
Female
53.3%
Male
15.5%
Age 65+
Age Distribution
Children (under 15): 19.8% · Seniors (65+): 15.5%
Income & Poverty
| Median household income | $86,906+$14,267 vs state |
| Mean household income | $104,102 |
| Per-capita income | $38,843 |
| Poverty rate | 6.3%-1.4% vs state |
| Unemployment rate | 2.4% |
| Employment-to-population | 53.9% |
Top Industries by Employment
The largest employment sector in Leavenworth County is professional & business services, accounting for 26.5% of workers.
How residents commute
0.2%
Drive alone
1.7%
Carpool
78.4%
Public transit
10.2%
Work from home
23.6 min
Avg commute
Housing
$260,600+$57,200 vs state
Median home value
$1,138
Median rent
68.8%
Homeownership rate
31,589
Total housing units
94.2%
Occupied
5.8%
Vacant
31.2%
Renter-occupied
Social & access
93.1%
With health insurance
95.8%
With broadband internet
44.6%
Foreign-born
15.2%
Veterans (18+)
13.5%
With a disability
94.8%
Speak language other than English at home
Education
93.4%
High School+
36.6%
Bachelor's+
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Part of Kansas
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County rankings
Frequently Asked Questions
Leavenworth County, Kansas has a population of 82,493 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest county in Kansas. Population density is 178 people per square mile.
The population of Leavenworth County has grown 10.6% since 2010 (76,536 → 84,670), a +0.72% annualized rate.
The median household income in Leavenworth County, Kansas is $86,906, with mean (average) household income of $104,102 and per-capita income of $38,843. 6.3% of residents live below the federal poverty level.
In Leavenworth County, the largest racial and ethnic groups are White (80.5%), Black or African American (7.4%), Hispanic or Latino (2.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Leavenworth County, Kansas is 38.3 years. Residents are 46.7% female and 53.3% male.
The median home value in Leavenworth County is $260,600 and median monthly rent is $1,138. 68.8% of occupied housing units are owner-occupied. The county has 31,589 total housing units, 5.8% of which are vacant.
The largest employment sector in Leavenworth County, Kansas is professional, scientific, and management services, employing 26.5% of workers. The unemployment rate is 2.4%.
Wichita is among the largest cities associated with Leavenworth 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.