Leavenworth County, Kansas | |
|---|---|
 Leavenworth County Courthouse inLeavenworth | |
 Location within the U.S. state ofKansas | |
 Kansas's location within theU.S. | |
| Coordinates:39°16′07″N95°07′32″W / 39.2686°N 95.1256°W /39.2686; -95.1256 | |
| Country |  United States |
| State |  Kansas |
| Founded | August 25, 1855 |
| Named after | Henry Leavenworth |
| Seat | Leavenworth |
| Largest city | Leavenworth |
| Area | |
• Total | 469 sq mi (1,210 km2) |
| • Land | 463 sq mi (1,200 km2) |
| • Water | 6.1 sq mi (16 km2) 1.3% |
| Population | |
• Total | 81,881 |
• Estimate (2023)[2] | 83,518 |
| • Density | 176.8/sq mi (68.3/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 2nd |
| Website | leavenworthcounty.gov |
Leavenworth County is acounty located in theU.S. state ofKansas and is part of theKansas City metropolitan area.[3] Itscounty seat and most populous city isLeavenworth.[4] As of the2020 census, the county population was 81,881.[1] The county was named afterHenry Leavenworth, a general in the Indian Wars who establishedFort Leavenworth.
For manymillennia, theGreat Plains ofNorth America was inhabited bynomadicNative Americans. From the 16th century to 18th century, theKingdom of France claimed ownership of large parts ofNorth America. In 1762, after theFrench and Indian War, France secretly cededNew France toSpain, per theTreaty of Fontainebleau.
In 1802, Spain returned most of the land to France, but keeping title to about 7,500 square miles. In 1803, most of the land formodern day Kansas was acquired by the United States from France as part of the 828,000 square mileLouisiana Purchase for 2.83cents peracre.
In 1854, theKansas Territory was organized, then in 1861Kansas became the 34thU.S. state. In 1855,Leavenworth County was established, and is among the first 33 counties, which were formed by the first territorial government. It was named, as was its county seat, afterHenry Leavenworth, an officer in theWar of 1812.[5]
Leavenworth County had the first Kansas State University extension agent in the State.
According to theUnited States Census Bureau, the county has a total area of 469 square miles (1,210 km2), of which 463 square miles (1,200 km2) is land and 6.1 square miles (16 km2) (1.3%) is water.[6] It is the fifth-smallest county in Kansas by total area.
This county'swatershed connects with both theKansas River basin on the south via Stranger Creek and has aMissouri River port city to the east.[7][8]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1860 | 12,606 | — | |
| 1870 | 32,444 | 157.4% | |
| 1880 | 32,355 | −0.3% | |
| 1890 | 38,485 | 18.9% | |
| 1900 | 40,940 | 6.4% | |
| 1910 | 41,207 | 0.7% | |
| 1920 | 38,402 | −6.8% | |
| 1930 | 42,673 | 11.1% | |
| 1940 | 41,112 | −3.7% | |
| 1950 | 42,361 | 3.0% | |
| 1960 | 48,524 | 14.5% | |
| 1970 | 53,340 | 9.9% | |
| 1980 | 54,809 | 2.8% | |
| 1990 | 64,371 | 17.4% | |
| 2000 | 68,691 | 6.7% | |
| 2010 | 76,227 | 11.0% | |
| 2020 | 81,881 | 7.4% | |
| 2023 (est.) | 83,518 | [9] | 2.0% |
| U.S. Decennial Census[10] 1790-1960[11] 1900-1990[12] 1990-2000[13] 2010-2020[1] | |||
The county is a part of theKansas City,MO-KSMetropolitan Statistical Area.
As of thecensus of 2000, there were 68,691 people, 23,071 households, and 17,210 families residing in the county. Thepopulation density was 148 people per square mile (57 people/km2). There were 24,401 housing units at an average density of 53 per square mile (20/km2). Theracial makeup of the county was 84.2%White, 10.4%Black orAfrican American, 0.7%Native American, 1.1%Asian, 0.1%Pacific Islander, 1.2% from other races, and 2.2% fromtwo or more races.Hispanic orLatino of any race were 3.8% of the population.
There were 23,071households, out of which 38.9% had children under the age of 18 living with them, 61.4% weremarried couples living together, 9.5% had a female householder with no husband present, and 25.4% were non-families. 21.7% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.15.
In the county, the population was spread out, with 26.7% under the age of 18, 8.2% from 18 to 24, 33.0% from 25 to 44, 22.2% from 45 to 64, and 9.8% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 113.50 males. For every 100 females age 18 and over, there were 116.90 males.
Themedian income for a household in the county was $48,114, and the median income for a family was $55,805. Males had a median income of $40,047 versus $26,029 for females. Theper capita income for the county was $20,292. About 4.8% of families and 6.7% of the population were below thepoverty line, including 8.8% of those under age 18 and 7.5% of those age 65 or over.
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1888 | 3,272 | 45.48% | 3,516 | 48.87% | 406 | 5.64% |
| 1892 | 3,471 | 46.96% | 0 | 0.00% | 3,921 | 53.04% |
| 1896 | 4,004 | 45.83% | 4,665 | 53.39% | 68 | 0.78% |
| 1900 | 4,162 | 49.84% | 4,109 | 49.20% | 80 | 0.96% |
| 1904 | 5,771 | 64.15% | 2,775 | 30.85% | 450 | 5.00% |
| 1908 | 4,846 | 53.87% | 3,818 | 42.44% | 332 | 3.69% |
| 1912 | 2,562 | 33.05% | 3,099 | 39.97% | 2,092 | 26.98% |
| 1916 | 5,536 | 45.46% | 6,002 | 49.29% | 640 | 5.26% |
| 1920 | 6,846 | 65.05% | 3,409 | 32.39% | 269 | 2.56% |
| 1924 | 9,429 | 68.05% | 2,982 | 21.52% | 1,445 | 10.43% |
| 1928 | 8,472 | 56.27% | 6,539 | 43.43% | 45 | 0.30% |
| 1932 | 6,484 | 40.24% | 9,507 | 59.00% | 123 | 0.76% |
| 1936 | 8,532 | 51.39% | 7,996 | 48.17% | 73 | 0.44% |
| 1940 | 8,503 | 58.25% | 6,053 | 41.46% | 42 | 0.29% |
| 1944 | 7,282 | 58.55% | 5,097 | 40.98% | 59 | 0.47% |
| 1948 | 6,474 | 48.61% | 6,740 | 50.61% | 103 | 0.77% |
| 1952 | 9,046 | 61.19% | 5,698 | 38.54% | 39 | 0.26% |
| 1956 | 8,826 | 61.55% | 5,480 | 38.22% | 33 | 0.23% |
| 1960 | 7,870 | 53.06% | 6,926 | 46.70% | 36 | 0.24% |
| 1964 | 5,544 | 42.36% | 7,479 | 57.14% | 66 | 0.50% |
| 1968 | 7,081 | 48.35% | 5,546 | 37.87% | 2,018 | 13.78% |
| 1972 | 10,762 | 67.70% | 4,727 | 29.74% | 408 | 2.57% |
| 1976 | 8,407 | 50.11% | 8,022 | 47.81% | 349 | 2.08% |
| 1980 | 9,157 | 54.98% | 6,354 | 38.15% | 1,145 | 6.87% |
| 1984 | 11,194 | 62.29% | 6,604 | 36.75% | 172 | 0.96% |
| 1988 | 9,913 | 52.53% | 8,797 | 46.62% | 160 | 0.85% |
| 1992 | 7,738 | 33.39% | 8,077 | 34.86% | 7,357 | 31.75% |
| 1996 | 10,778 | 47.90% | 9,098 | 40.44% | 2,624 | 11.66% |
| 2000 | 12,583 | 54.07% | 9,733 | 41.82% | 955 | 4.10% |
| 2004 | 15,949 | 58.35% | 11,039 | 40.39% | 343 | 1.25% |
| 2008 | 16,791 | 54.89% | 13,255 | 43.33% | 545 | 1.78% |
| 2012 | 17,059 | 58.65% | 11,357 | 39.05% | 669 | 2.30% |
| 2016 | 17,638 | 57.57% | 10,209 | 33.32% | 2,792 | 9.11% |
| 2020 | 21,610 | 59.22% | 13,886 | 38.05% | 994 | 2.72% |
| 2024 | 22,055 | 60.00% | 13,732 | 37.36% | 969 | 2.64% |
Leavenworth County was a prohibition, or"dry", county until theKansas Constitution was amended in 1986 and voters approved the sale of alcoholic liquor by the individual drink with a 30 percent food sales requirement.[14]
The county voted "No" on the2022 Kansas abortion referendum, an anti-abortion ballot measure, by 59% to 41% despite backingDonald Trump with 59% of the vote toJoe Biden's 38% in the2020 presidential election.[15]
School districts include:[16]
List of townships / incorporated cities / unincorporated communities / extinct former communities within Leavenworth County.[20]
‡ means a community has portions in an adjacent county.
Leavenworth County is divided into tentownships. The cities ofLansing andLeavenworth are consideredgovernmentally independent and are excluded from the census figures for the townships. In the following table, the population center is the largest city (or cities) included in that township's population total, if it is of a significant size.
{{cite web}}: CS1 maint: numeric names: authors list (link)
Places adjacent to Leavenworth County, Kansas | ||||||||||||||||
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Municipalities and communities ofLeavenworth County, Kansas,United States | ||
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| Cities |  | |
| Unincorporated communities | ||
| Ghost towns | ||
| Townships | ||
| Footnotes | ‡This community also has portions in an adjacent county or counties. | |
| International | |
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| National | |
| Geographic | |
| Other | |
