Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/MI/SUMNER

Sumner ZIP code, Michigan

The ZIP code for Sumner, MI is 48889, and its area code is 989.

USPS city name
1 ZIP code
Population
1,528
Area code
989

NANPA lists no telephone rate centre for Sumner itself, so these are the area codes of the nearest one, Crystal (4.7 miles). A town on an area-code boundary can differ from its neighbour.

Sumner in numbers

About 1,528 people live in Sumner, in 612 households. The median household income is $60,200 a year, 17% below the Michigan median of $72,875 (US: $80,734). The median owner-occupied home is valued at $157,900 (32% below the Michigan median).

Population1,528Sumner1,528
Households612Sumner612
Median household income$60,200Sumner$60,200Michigan$72,875US $80,734
Median home value$157,900Sumner$157,900Michigan$231,600US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Sumner. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Sumner

ZIP codes with the USPS city name Sumner
ZIP City Type Population Median income Median home
48889 Sumner , MI Standard 1,528 $60,200 $157,900

Map of Sumner ZIP codes

48889

The ZIP codes of Sumner, MI, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Sumner

The nearest larger towns are Alma (9,396 people, 10 mi), Ithaca (2,817 people, 11 mi) and St. Louis (7,367 people, 13 mi).

Towns near Sumner
TownPopulationDistance
Alma 9,396 10.1 mi
Ithaca 2,817 10.6 mi
St. Louis 7,367 13.0 mi
Mount Pleasant 21,236 21.6 mi
St. Johns 7,715 23.4 mi
Greenville 8,995 23.7 mi
Belding 5,960 25.1 mi
Ionia 12,753 25.2 mi
Portland 3,790 29.1 mi

More nearby: every ZIP code in Gratiot County · Michigan ZIP codes

Cite this page

zipcodes.pro. “Sumner, MI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mi/sumner

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