Ionia, Michigan

Ionia population, 2020 to 2024

Ionia lost 1,113 residents from July 2020 to July 2024, a change of -8.3%. In the latest year it moved by +14. Among 153 Michigan places of 5,000 or more, that growth ranks 153rd; the median place changed by -0.5%. The median place of 5,000+ in Michigan has 12,132 people, so Ionia is 1.0 times that size.

Ionia covers 5.41 square miles of land and 0.13 of water, for 2,267 people per square mile of land. The median Michigan place of 5,000+ has 2,478, so Ionia is close to the typical town.

What county Ionia is in

All of Ionia's residents live in Ionia County, which had 66,250 residents in 2024. Ionia holds 18.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Ionia

1 ZIP Code Tabulation Area (ZCTA) overlaps Ionia by at least 10% of the ZCTA's or the city's land: 48846. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Ionia is

The Census internal point of Ionia is at 42.976800, -85.074600. Lansing, the capital, is 31.2 miles ESE in a straight line. The nearest larger place is Kentwood, MI (54,768 people), 27.0 miles away. The nearest city of 100,000 or more is Grand Rapids, MI, 29.4 miles away.

Daylight in Ionia

At 42.98° N, Ionia gets about 15 h 22 min of daylight around the June solstice and 9 h 00 min around the December solstice, a swing of 6 h 21 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Ionia

The eight nearest incorporated places of 1,000+ in Michigan, measured between internal points. The closest is Saranac, 7.6 miles away, with 1,379 people.