Decatur, Michigan

Decatur population, 2020 to 2024

Decatur lost 33 residents from July 2020 to July 2024, a change of -1.9%. In the latest year it moved by -6.

Decatur covers 1.35 square miles of land and 0.08 of water, for 1,230 people per square mile of land. The median Michigan place of 5,000+ has 2,478, so Decatur is less dense than the typical town.

What county Decatur is in

All of Decatur's residents live in Van Buren County, which had 76,129 residents in 2024. Decatur holds 2.2% 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 village's land: 49045. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Decatur is

The Census internal point of Decatur is at 42.107700, -85.975000. Lansing, the capital, is 84.4 miles ENE in a straight line. The nearest larger place is Lawton, MI (1,876 people), 7.8 miles away. The nearest city of 100,000 or more is South Bend, IN, 33.4 miles away.

Daylight in Decatur

At 42.11° N, Decatur gets about 15 h 15 min of daylight around the June solstice and 9 h 06 min around the December solstice, a swing of 6 h 09 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 Michigan, measured between internal points. The closest is Lawton, 7.8 miles away, with 1,876 people.