ZIP Code 48889

ZIP code 48889 is classified by USPS as a standard delivery area and covers roughly 76.4 square miles in Sumner, Gratiot County, Michigan. The area is home to 1,322 residents, producing a population density of 17 people per square mile, and falls within the Detroit time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 48889 against Michigan and the nation.

On the economic side, the median household income for ZIP 48889 sits at $60,200 (18% below the Michigan average), while per-capita income is $41,922. The poverty rate stands at 11.2% and the unemployment rate at 7.0%. On housing, the median home value is $157,900 (28% below the state average) with median rent at $1,115 per month, and 83.8% of occupied units are owner-occupied, a direct signal of whether 48889 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 11.4% of adults hold a bachelor's degree or higher, the median age is 47.7, and the average commute is 23 minutes. We also surface 8 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Gratiot County, so you can benchmark 48889 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →