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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Decatur, TN
Real Estate & Demographic Data






Decatur profile


Living in Decatur



Decatur is a very small town located in the state of Tennessee. With a population of 1,584 people and two associated neighborhoods, Decatur is the 247th largest community in Tennessee.

Residents will find that the town is relatively quiet. This is because it is not over-populated, and it has fewer college students, renters, and young children - all of whom can be noisy at times. So, if you're looking for a relatively peaceful place to live, Decatur is worth considering.

As is often the case in a small town, Decatur doesn't have a public transportation system that people use for their commute.

The population of Decatur has a very low overall level of education: only 8.54% of people over 25 hold a 4-year college degree or higher.

The per capita income in Decatur in 2022 was $21,183, which is low income relative to Tennessee and the nation. This equates to an annual income of $84,732 for a family of four. However, Decatur contains both very wealthy and poor people as well. Decatur also has one of the higher rates of people living in poverty in the nation, with 35.68% of its population below the federal poverty line.

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

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


Real Estate in Popular Decatur Neighborhoods

Zip Codes in Decatur, TN