Decatur, Mississippi

Decatur population, 2020 to 2024

Decatur lost 56 residents from July 2020 to July 2024, a change of -2.9%. In the latest year it moved by -17.

Decatur covers 5.51 square miles of land and 0.04 of water, for 342 people per square mile of land. The median Mississippi place of 5,000+ has 738, so Decatur is less dense than the typical town.

What county Decatur is in

All of Decatur's residents live in Newton County, which had 21,063 residents in 2024. Decatur holds 9.0% 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: 39327. 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 32.434000, -89.111200. Jackson, the capital, is 63.4 miles W in a straight line. The nearest larger place is Newton, MS (3,079 people), 7.5 miles away. The nearest city of 100,000 or more is Jackson, MS, 64.8 miles away.

Daylight in Decatur

At 32.43° N, Decatur gets about 14 h 17 min of daylight around the June solstice and 10 h 01 min around the December solstice, a swing of 4 h 16 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 Mississippi, measured between internal points. The closest is Newton, 7.5 miles away, with 3,079 people.