Tecumseh is a somewhat small city located in the state of Michigan. With a population of 8,651 people and three associated neighborhoods, Tecumseh is the 132nd largest community in Michigan.

A relatively large number of people in Tecumseh telecommute to their jobs. Overall, about 12.53% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

The citizens of Tecumseh are slightly better educated than the national average of 21.84% for all cities and towns, with 24.73% of adults in Tecumseh having a bachelor's degree or advanced degree.

The per capita income in Tecumseh in 2022 was $36,863, which is upper middle income relative to Michigan and the nation. This equates to an annual income of $147,452 for a family of four. However, Tecumseh contains both very wealthy and poor people as well.

Tecumseh is a somewhat ethnically-diverse city. The people who call Tecumseh home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Tecumseh residents report their race to be White, followed by Black or African-American. Important ancestries of people in Tecumseh include German, English, Irish, Polish, and Italian.

The most common language spoken in Tecumseh is English. Other important languages spoken here include Spanish and Polish.