Decatur is a town located in Meigs County, Tennessee. Decatur has a 2025 population of 1,671 . It is also the county seat of Meigs County . Decatur is currently growing at a rate of 1.15% annually and its population has increased by 6.23% since the most recent census, which recorded a population of 1,573 in 2020.
The average household income in Decatur is $61,828 with a poverty rate of 30.41%. The median age in Decatur is 42 years: 40.4 years for males, and 42.7 years for females. For every 100 females there are 87.5 males.
Data after 2023 is projected based on recent change
The racial composition of Decatur includes 90% White, 3.49% Black or African American, and smaller percentages for and multiracial populations.
White (90%)
Two or more races (6.51%)
Black or African American (3.49%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,674 | 90% |
| Two or more races | 121 | 6.51% |
| Black or African American | 65 | 3.49% |
Married
Widowed
Divorced
Separated
Never Married
Decatur's average per capita income is $29,830. Household income levels show a median of $48,203. The poverty rate stands at 30.41%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,469 | - |
| Families | $58,917 | $81,735 |
| Households | $48,203 | $61,828 |
| Non Families | $23,375 | $32,841 |
Average Income
Median Household Income
Poverty Rate