Tecumseh, Nebraska  Tecumseh is a city in and the county seat of Johnson County, Nebraska, United States. The population was 1,677 at the 2010 census. Tecumseh was originally called Frances, and under the latter name was established in 1856. The label of Frances has long been falsely attributed as the name of the wife of Col. Richard M Johnson, the namesake of Johnson County. Johnson's only marriage was to Julia Chinn, a common-law spouse. Julia Chinn, was an octoroon slave (one-eighth African, seven-eighths European in ancestry), born into slavery around 1790. Some historians have accepted the possibility that the legislature intended to name the county seat after Francis Burt, the first Governor of the Nebraska Territory. Shortly after being founded, the name was changed to Tecumseh after the Native American Chief said to have been killed by Johnson during the Battle of the Thames. The Nebraska Territorial Legislature established Tecumseh as the county seat in February 1857. Tecumseh is located at (40.370061, -96.191639). According to the United States Census Bureau, the city has a total area of , all of it land. As of the census of 2010, 1,677 people, 722 households, and 447 families resided in the city. The population density was . The 887 housing units averaged . The racial makeup of the city was 82.5% White, 0.4% African American, 0.1% Native American, 3.2% Asian, 12.9% from other races, and 0.8% from two or more races. Hispanics or Latinos of any race were 16.2% of the population. Of the 722 households, 27.4% had children under the age of 18 living with them, 48.9% were married couples living together, 9.1% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 38.1% were not families; 33.2% of all households were made up of individuals and 17.6% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.86. The median age in the city was 44.8 years; 22.1% of residents were under the age of 18; 6.5% were between the ages of 18 and 24; 21.5% were from 25 to 44; 26.5% were from 45 to 64; and 23.3% were 65 years of age or older.