|• Total||1.50 sq mi (3.88 km2)|
|• Land||1.50 sq mi (3.88 km2)|
|• Water||0 sq mi (0 km2)|
|Elevation||1,135 ft (346 m)|
|• Estimate (2012)||1,661|
|• Density||1,118.0/sq mi (431.7/km2)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||0834057|
Tecumseh is located at .(40.370061, -96.191639)
As of the census of 2010, there were 1,677 people, 722 households, and 447 families residing in the city. The population density was 1,118.0 inhabitants per square mile (431.7 /km2). There were 887 housing units at an average density of 591.3 per square mile (228.3 /km2). 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. Hispanic or Latino of any race were 16.2% of the population.
There were 722 households of which 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 non-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. The gender makeup of the city was 47.9% male and 52.1% female.
As of the census of 2000, there were 1,716 people, 729 households, and 446 families residing in the city. The population density was 1,159.5 people per square mile (447.7/km²). There were 854 housing units at an average density of 577.0 per square mile (222.8/km²). The racial makeup of the city was 86.36% White, 0.06% African American, 0.58% Native American, 5.59% Asian, 5.07% from other races, and 2.33% from two or more races. Hispanic or Latino of any race were 6.53% of the population.
There were 729 households out of which 28.8% had children under the age of 18 living with them, 50.9% were married couples living together, 7.0% had a female householder with no husband present, and 38.7% were non-families. 34.6% of all households were made up of individuals and 21.1% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.93.
In the city the population was spread out with 24.0% under the age of 18, 6.1% from 18 to 24, 24.4% from 25 to 44, 20.6% from 45 to 64, and 25.0% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 82.6 males. For every 100 females age 18 and over, there were 79.9 males.
As of 2000 the median income for a household in the city was $31,844, and the median income for a family was $42,337. Males had a median income of $27,228 versus $19,896 for females. The per capita income for the city was $16,194. About 8.4% of families and 11.9% of the population were below the poverty line, including 17.0% of those under age 18 and 10.1% of those age 65 or over.
Tecumseh was established in 1856 with the name of Frances. A history posted on the city's Web site states that Frances was the wife of Col. Richard M Johnson, for whom Johnson County was named, although Johnson was never married. Shortly after being founded, the name was changed to Tecumseh to honor 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 on February 13, 1857.
- Dennis Aust, Baseball player
- Peirson M. Hall, federal judge who lived in a Tecumseh orphanage
- Virgil A. Martin, Los Angeles, California, City Council member (1927–31), born in Tecumseh
- Walter Kiechel III, former Managing Editor of Fortune magazine, author of The Lords of Strategy, born in Tecumseh
- Ronald Schafer, electrical engineer and author of many textbooks on digital signal processing and audio analysis.
- "US Gazetteer files 2010". United States Census Bureau. Retrieved 2012-06-24.
- "American FactFinder". United States Census Bureau. Retrieved 2012-06-24.
- "Population Estimates". United States Census Bureau. Retrieved 2013-05-29.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.