Decatur, Tennessee

Decatur population, 2020 to 2024

Decatur added 79 residents from July 2020 to July 2024, a change of +5.0%. In the latest year it moved by +17.

Decatur covers 3.80 square miles of land, for 435 people per square mile of land. The median Tennessee place of 5,000+ has 947, so Decatur is less dense than the typical town.

What county Decatur is in

All of Decatur's residents live in Meigs County, which had 13,937 residents in 2024. Decatur holds 11.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Decatur

1 ZIP Code Tabulation Area (ZCTA) overlaps Decatur by at least 10% of the ZCTA's or the town's land: 37322. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Decatur is

The Census internal point of Decatur is at 35.529100, -84.793300. Nashville, the capital, is 119.9 miles WNW in a straight line. The nearest larger place is Spring City, TN (1,996 people), 11.6 miles away. The nearest city of 100,000 or more is Chattanooga, TN, 41.0 miles away.

Daylight in Decatur

At 35.53° N, Decatur gets about 14 h 34 min of daylight around the June solstice and 9 h 45 min around the December solstice, a swing of 4 h 49 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Decatur

The eight nearest incorporated places of 1,000+ in Tennessee, measured between internal points. The closest is Spring City, 11.6 miles away, with 1,996 people.