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ZIP Code 48631
Auburn, MI, Bay County
Population
3,681
Land area
32.9sq mi
People per sq mi
112
City
Auburn
ZIP 48631 and nearby ZIP codes
ZIP 48631 at a glance
- ZIP 48631 (Auburn) is 37% less dense than Michigan as a whole.
- The median household income is $74,398, close to the Michigan median.
- A typical owner-occupied home is valued at $172,200 (26% below Michigan) and median rent is $820 a month.
Local data for ZIP 48631
Counts from official public data
Housing and community stats
ZIP 48631, American Community Survey 2020-2024
Median household income
$74,398
Poverty rate
8.3%
Median home value
$172,200
Prices +8.8% in a year
Median rent
$820/mo
Homeownership
77.6%
Bachelor's or higher
16.5%
Median age
50.7
Average commute
20.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
84
ZIP Business Patterns 2023
Employees
785
$39M annual payroll
PPP loans
$12.9M
110 loans
Campaign donations
$13.9K
14% D, 12% R, 2026 cycle
Environment and hazard risk
ZIP 48631, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
389
Countywide, mostly thunderstorm wind
Flood insurance policies
377
0.9% of homes, county
July high / Jan low
83° / 14°F
Health statistics
Share of adults in ZIP 48631, CDC PLACES estimates
Obesity
36.1%
U.S. 33.3% +2.8 pts
Diabetes
11.8%
U.S. 12.1% about the same
Smoking
14.3%
U.S. 12.8% +1.5 pts
Uninsured (18-64)
5.9%
U.S. 11.1% -5.2 pts
Frequently asked questions
- What city is ZIP code 48631?
- ZIP code 48631 is in Auburn, MI (Bay County).
- What county is ZIP code 48631 in?
- ZIP code 48631 is mostly in Bay County, Michigan.
- How many people live in ZIP code 48631?
- About 3,681 people live in the 48631 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.