County · Kansas

Leavenworth County, Kansas

Leavenworth County, Kansas. Leavenworth County had 84,590 residents in 2025 by the Census Bureau's estimate, up 3.3% since 2020, faster than Kansas (+1.3%). It holds 18 places (8 cities, villages and boroughs and 10 towns and townships) and 19 census tracts. GEOID 20103.

Leavenworth County is one of the 14 counties of the Kansas City, MO-KS metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

84,590

Census Bureau estimate (no margin published)
2020 Census count: 81,881 · ACS 2020-2024: 83,123

Median household income

$89,218

±$5,420 (90% margin)
Kansas: $74,275

Median home value

$282,900

±$9,484 (90% margin)
Kansas: $217,200

Median gross rent

$1,219

±$61 (90% margin)
Kansas: $1,060

How many people live in Leavenworth County, and is it growing?

The 2020 Census counted 81,881 residents in Leavenworth County. The Census Bureau estimates 84,590 for July 1, 2025, up 3.3% since 2020, faster than Kansas (+1.3%). The 2020-2024 American Community Survey puts the population at 83,123 over 463 square miles of land.

July 2020→2021 +435 (82,409)
2021→2022 +413 (82,822)
2022→2023 +742 (83,564)
2023→2024 +780 (84,344)
2024→2025 +246 (84,590)

Leavenworth County in Kansas. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Leavenworth County	Kansas	Change since 2015-2019
Total population	83,123	2,947,197	+2,378
Households	30,164±403	1,174,060	+2,911
Average household size	2.59±0.03	2.44	−0.16
Housing units	31,865±121	1,293,635	+2,094

Leavenworth County's population since 2000

From 68,691 in 2000 to 84,590 in 2025: up 23.1%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 68,691
2005 (estimate) 71,788
2010 Census 76,227
2015 (estimate) 79,269
2020 Census 81,881
2025 (estimate) 84,590

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Leavenworth County?

Leavenworth County holds 18 places: 8 cities, villages and boroughs (incorporated places) and 10 towns and townships (county subdivisions with their own government). The largest is Leavenworth with 37,012 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Leavenworth County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Leavenworth	city	37,351	37,195±52	$72,987	$193,000	11.7%	100%
Lansing	city	11,239	11,246±25	$102,786	$270,800	6.3%	100%
Fairmount Township, Leavenworth County	township	11,215	11,960±23	$121,802	$377,800	6.7%	100%
Basehor	city	6,896	7,491±22	$116,769	$349,900	7.0%	100%
Tonganoxie Township	township	5,998	6,203±19	$99,579	$329,300	7.3%	100%
Tonganoxie	city	5,573	5,891±28	$80,109	$261,700	13.2%	100%
Stranger Township	township	5,081	5,286±21	$97,076	$332,300	8.6%	100%
Sherman Township, Leavenworth County	township	2,792	2,851±20	$127,159	$409,700	3.1%	100%
High Prairie Township	township	2,014	2,150±391	$103,229	$396,000	8.5%	100%
Kickapoo TownshipGEOID 2010336700	township	1,763	1,637±321	$87,108	$366,100	3.3%	100%
Reno Township, Leavenworth County	township	1,419	1,487±334	$76,793	$506,700	1.8%	100%
Easton Township	township	1,071	1,451±578	$64,712	$250,700	15.3%	100%
Delaware Township, Leavenworth CountyGEOID 2010317450	township	1,061	795±325	$118,667	$336,800	2.4%	100%
Alexandria TownshipGEOID 2010301100	township	871	767±302	$94,083	$359,700	2.6%	100%
LinwoodGEOID 2041475	city	415	312±124	$65,994	$215,800	5.1%	100%
EastonGEOID 2019600	city	213	299±116	$49,375	$73,300	19.9%	100%
Bonner Springs	city	7,837	7,839±146	$83,218	$247,200	12.4%	0%
De Soto	city	6,118	6,414±20	$104,000	$422,400	6.1%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Leavenworth County?

The median resident of Leavenworth County is 38.0 years old; 23.6% are under 18 and 16.1% are 65 or older. The largest group is non-Hispanic white residents at 77.4%, then Hispanic or Latino residents (of any race) at 7.6%. 3.6% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Leavenworth County	Kansas	Change since 2015-2019
Median age	38.0±0.5	37.4	no clear change
Under 18 years	23.6%	23.8%	–
65 years and over	16.1%±0.1 pts	17.0%	–
Hispanic or Latino (any race)	7.6%	13.6%	+0.6 pts
White alone, not Hispanic	77.4%±0.5 pts	72.7%	−1.5 pts
Black or African American alone, not Hispanic	6.8%±0.6 pts	5.2%	−1.4 pts
Asian alone, not Hispanic	1.3%±0.2 pts	2.9%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.3%±0.1 pts	0.4%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.3%±0.3 pts	0.1%	–
Two or more races, not Hispanic	5.9%±0.6 pts	4.8%	–
Some other race alone, not Hispanic	0.4%±0.2 pts	0.4%	–
Born outside the United States	3.6%±0.7 pts	7.4%	+0.9 pts
Speak a language other than English at home (age 5+)	5.5%±0.7 pts	12.1%	–
Civilian veterans (age 18+)	15.4%±1.3 pts	6.8%	–
With a disability	14.4%±1.1 pts	13.5%	–
No health insurance coverage	6.1%±0.8 pts	8.8%	+1.3 pts
High school graduate or higher (age 25+)	93.8%±0.9 pts	92.0%	–
Bachelor's degree or higher (age 25+)	36.1%±2.1 pts	35.6%	+4.6 pts
Graduate or professional degree (age 25+)	15.2%±1.2 pts	13.4%	–
Moved from another state in the past year	6.9%±1.0 pts	3.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Leavenworth County earn?

Half of Leavenworth County's 30,164 households earn less than $89,218 a year (±$5,420), against $74,275 in Kansas. In 2015-2019 it was $89,857 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.8% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Leavenworth County	Kansas	Change since 2015-2019
Median household income	$89,218±$5,420	$74,275	no clear change
Mean household income	$108,915±$3,983	$100,417	–
Per capita income	$40,555±$1,305	$40,978	no clear change
People below the poverty line	8.8%±1.3 pts	11.3%	no clear change
Children under 18 below the poverty line	8.2%±2.0 pts	13.1%	no clear change
Households receiving SNAP	5.6%±1.2 pts	6.8%	–
Households with a broadband subscription	92.3%±1.2 pts	90.7%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Leavenworth County?

Owners occupy 69.3% of Leavenworth County's occupied homes and renters 30.7%. The median owner-occupied home is valued at $282,900 by its owner (±$9,484). The median renter pays $1,219 a month including utilities, and 32.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Leavenworth County	Kansas	Change since 2015-2019
Median home value (owner-occupied)	$282,900±$9,484	$217,200	+$57,806
Median gross rent	$1,219±$61	$1,060	no clear change
Renters paying 35% or more of income on rent	32.3%±3.9 pts	34.5%	no clear change
Median monthly owner costs, with a mortgage	$1,925±$52	$1,689	–
Owner-occupied homes	69.3%±1.9 pts	67.2%	no clear change
Housing units	31,865±121	1,293,635	+2,094
Homeowner vacancy rate	0.4%±0.3 pts	0.9%	–
Rental vacancy rate	6.0%±2.1 pts	6.2%	–
Single-family detached homes	77.0%±1.6 pts	71.8%	–
Mobile homes	1.7%±0.5 pts	4.0%	–
Built 2020 or later	1.3%±0.4 pts	1.4%	–
Built 1939 or earlier	17.6%±1.6 pts	15.4%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Leavenworth County building?

Builders took permits for 287 new housing units across Leavenworth County in 2025 (281 single-family), 3.4 per 1,000 residents.

2019 258 units
2020 356 units
2021 361 units
2022 306 units
2023 197 units
2024 349 units
2025 287 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Leavenworth County get to work?

77.1% of Leavenworth County's workers drive alone and 10.4% work from home. The average trip to work takes 23.9 minutes. The unemployment rate in 2020-2024 averaged 4.1%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Leavenworth County	Kansas	Change since 2015-2019
In the labor force (age 16+)	60.2%±1.4 pts	66.1%	–
Unemployment rate	4.1%±1.0 pts	3.9%	no clear change
Drove alone to work	77.1%±2.0 pts	75.4%	–
Carpooled	8.4%±1.4 pts	8.7%	–
Public transportation	0.2%±0.2 pts	0.4%	–
Walked	1.6%±0.5 pts	2.3%	–
Worked from home	10.4%±1.2 pts	11.8%	+5.9 pts
Mean travel time to work	23.9 min±0.9	19.7 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Leavenworth County's census tracts?

Leavenworth County is divided into 19 census tracts. Among those with a reliable estimate, median household income runs from $41,076 (Tract 702) to $155,662 (Tract 712.05).

Census tracts of Leavenworth County, ACS 2020-2024 5-year estimates; sort by any column

Tract 70120103070100	Leavenworth (98%)	2,074	2,228±319	$41,757	$123,500	$826	19.1%
Tract 70220103070200	Leavenworth	2,785	2,650±448	$41,076	$104,500	$927	12.8%
Tract 70320103070300	Leavenworth	5,828	5,734±742	$76,544	$183,500	$1,150	9.0%
Tract 70420103070400	Leavenworth (99%)	3,381	2,822±402	$64,637	$155,300	$860	12.8%
Tract 70520103070500	Leavenworth (98%)	5,757	5,229±673	$54,515	$159,700	$1,078	26.3%
Tract 70720103070700	Leavenworth	4,887	4,864±489	$83,870	$215,500	$1,368	10.2%
Tract 70920103070900	Easton (16%)	2,834	3,088±451	$79,918	$329,900	$936	8.9%
Tract 71020103071000	Leavenworth (9%)	4,168	4,464±539	$110,196	$352,400	$2,125	4.8%
Tract 711.0220103071102	Lansing (55%)	4,797	4,726±500	$71,490	$182,700	$910	11.5%
Tract 711.0320103071103	Leavenworth (97%)	2,952	2,977±576	$129,537	$292,800	$2,150	3.4%
Tract 711.0420103071104	Lansing (79%)	2,616	2,554±355	$142,885	$399,400	$2,378	1.8%
Tract 711.0520103071105	Lansing (82%)	4,855	4,824±462	$91,975	$292,500	$1,823	5.5%
Tract 712.0220103071202	Basehor (25%)	4,418	4,521±447	$124,940	$418,000	$1,050	6.3%
Tract 712.0420103071204	Basehor (85%)	4,701	5,054±382	$108,601	$290,800	$1,260	9.5%
Tract 712.0520103071205	Basehor (17%)	3,844	4,437±466	$155,662	$425,600	$1,045	2.4%
Tract 71420103071400	Linwood (13%)	4,030	4,304±339	$115,797	$443,200	$967	2.7%
Tract 71620103071600	Tonganoxie (1%)	2,948	3,079±342	$119,922	$425,100	not published	2.0%
Tract 71820103071800	Tonganoxie (72%)	6,570	6,487±275	$76,691	$264,300	$1,224	12.0%
Tract 981920103981900	Leavenworth (98%)	8,436	9,081±721	$99,527	not published	$2,064	5.8%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Leavenworth County compare with Kansas's other counties?

Leavenworth County's rank among Kansas's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	6th of 105
Growth 2020-2025	5th of 105
Residents per square mile	6th of 105
Median household income	3rd of 105
Median home value	4th of 105
Median gross rent	2nd of 104
Poverty rate	75th of 102
Bachelor's degree or higher	6th of 105
Median age	85th of 105

Every county in Kansas

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Leavenworth County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.