Tonganoxie (pronounced ) is a city in Leavenworth County, Kansas and is part of the Kansas City metropolitan area within the United States. As of 2010, its population was 4,996 and approximately double of 2000 census.
Tonganoxie was platted in 1866. It was named for a local Native American Chief from the Delaware Tribe whose name means "shorty" in the Delaware language. Tonganoxie was incorporated as a city in the late 1870s.
Tonganoxie is located at 39°6′32″N 95°5′13″W (39.108880, -95.086885). According to the United States Census Bureau, the city has a total area of 3.67 square miles (9.51 km2), of which 3.66 square miles (9.48 km2) is land and 0.01 square miles (0.03 km2) is water.
The climate in this area is characterized by hot, humid summers and generally cold winters. According to the Köppen Climate Classification system, Tonganoxie has a humid subtropical climate, abbreviated "Cfa" on climate maps.
As of the census of 2010, there were 4,996 people, 1,884 households, and 1,338 families living in the city. The population density was 1,365.0 inhabitants per square mile (527.0/km2). There were 1,973 housing units at an average density of 539.1 per square mile (208.1/km2). The racial makeup of the city was 95.2% White, 1.0% African American, 0.7% Native American, 0.4% Asian, 0.1% Pacific Islander, 0.6% from other races, and 2.0% from two or more races. Hispanic or Latino of any race were 3.8% of the population.