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 for modern day Kansas was acquired by the United States from France as part of the 828,000 square mile Louisiana Purchase for 2.83 cents per acre.
In 1854, the Kansas Territory was organized, then in 1861 Kansas became the 34th U.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, after Henry Leavenworth, an officer in the War of 1812.[5]
Leavenworth County had the first Kansas State University extension agent in the State.
Geography
According to the United States Census Bureau, the county has a total area of 469 square miles (1,210km2), of which 463 square miles (1,200km2) is land and 6.1 square miles (16km2) (1.3%) is water.[6] It is the fifth-smallest county in Kansas by total area.
As of the census of 2000, there were 68,691 people, 23,071 households, and 17,210 families residing in the county. The population density was 148 peopleper square mile (57 people/km2). There were 24,401 housing units at an average density of 53 per square mile (20/km2). The racial makeup of the county was 84.2% White, 10.4% Black or African American, 0.7% Native American, 1.1% Asian, 0.1% Pacific Islander, 1.2% from other races, and 2.2% from two or more races. Hispanic or Latino of any race were 3.8% of the population.
There were 23,071 households, out of which 38.9% had children under the age of 18 living with them, 61.4% were married 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.
The median 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. The per capita income for the county was $20,292. About 4.8% of families and 6.7% of the population were below the poverty line, including 8.8% of those under age 18 and 7.5% of those age 65 or over.
Government
Presidential elections
Presidential election results
United States presidential election results for Leavenworth County, Kansas[14]
Leavenworth County was a prohibition, or "dry", county until the Kansas Constitution was amended in 1986 and voters approved the sale of alcoholic liquor by the individual drink with a 30 percent food sales requirement.[15]
Leavenworth County is divided into ten townships. The cities of Lansing and Leavenworth are considered governmentally 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.
↑ Big Stranger Creek Rogers, H.D., and Johnson, A. Keith. Kansas and Indian territory in The Atlas of the U.S. of North America, Canada, New Brunswick, Nova Scotia, Newfoundland, Mexico, Central America, Cuba and Jamaica. London: E. Stanford, 1857 (no scale). A historical reference showing the Kansas Territory including parts of Colorado. Shows the westward trails.
↑ "Map of Wet and Dry Counties". Alcoholic Beverage Control, Kansas Department of Revenue. November 2006. Archived from the original on October 8, 2007. Retrieved December 28, 2007.
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