ZIP code 48889: Sumner, MI
48889 is a ZIP code in Sumner, Michigan, mainly in Gratiot County, part of the Alma, MI micro area. About 1,528 people live here.
- Population
- 1,528
- Median household income
- $60,200
- Typical home value
- $207,900+8.7% in 12 months
- Median rent
- $1,115gross, per month
- Median age
- 47.7
- Homeowners
- 83.8%of occupied homes
Shaded: ZIP code 48889's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 48889 details
| City | Sumner |
|---|---|
| State | Michigan |
| County | Gratiot County (also partly Montcalm County) |
| Metro area | Alma, MI |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 31 sq mi, plus 0.3 sq mi of water |
| Population density | 49 people per sq mi |
| Bachelor's degree or higher | 11.4% of adults 25+ |
| Average commute | 23.4 minutes |
| Center coordinates | 43.28507, -84.80690 |
Median rent in 48889 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $3,501/mo |
| 3 bedrooms | $1,021/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 48889
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 48818 | Crystal, MI | 4.7 mi | 2,554 |
| 48830 | Elm Hall, MI | 5.6 mi | — |
| 48856 | Middleton, MI | 7.1 mi | 966 |
| 48811 | Carson City, MI | 7.4 mi | 7,440 |
| 48877 | Riverdale, MI | 8.4 mi | 1,962 |
| 48832 | Elwell, MI | 8.9 mi | 1,307 |
| 48801 | Alma, MI | 9.2 mi | 13,278 |
| 48891 | Vestaburg, MI | 9.3 mi | 2,915 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 48889?
A typical home in ZIP code 48889 is worth about $207,900 (Zillow Home Value Index). The median household here earns $60,200 a year. See what buying here would cost per month, with Michigan average taxes and insurance filled in.
Monthly payment for a $207,900 homeWhat can a $60,200 income afford?Rental property numbers
About ZIP code 48889
What city is ZIP code 48889?
ZIP code 48889 is in Sumner, MI, in Gratiot County.
What county is ZIP code 48889 in?
48889 is mainly in Gratiot County, Michigan, and partly in Montcalm County.
What is the population of ZIP code 48889?
About 1,528 people live in ZIP code 48889, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 48889 in?
48889 is in Eastern Time (UTC−5). It observes daylight saving time.