Bay City, MI metro area ZIP codes
The Bay City, MI metropolitan statistical area (CBSA 13020) covers 1 county in Michigan and 11 ZIP codes.
- ZIP codes
- 11
- Population
- 99,197
- Avg. median income
- $62,300population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Bay City, MI area
ZIP codes in the Bay City, MI area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 48611 | Auburn | Bay County | 6,093 | $87,963 | $236,600 |
| 48613 | Bentley | Bay County | 1,081 | $58,846 | $200,800 |
| 48631 | Kawkawlin | Bay County | 3,681 | $74,398 | $230,500 |
| 48634 | Linwood | Bay County | 4,334 | $87,992 | $209,800 |
| 48650 | Pinconning | Bay County | 6,510 | $61,911 | $187,800 |
| 48706 | Bay City | Bay County | 38,974 | $62,747 | $192,300 |
| 48707 PO Box | Bay City | Bay County | — | — | — |
| 48708 | Bay City | Bay County | 25,635 | $50,518 | $137,800 |
| 48710 | University Center | Bay County | 0 | — | — |
| 48732 | Essexville | Bay County | 11,340 | $57,903 | $207,400 |
| 48747 | Munger | Bay County | 1,549 | $81,458 | $221,400 |
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
Frequently asked questions
How many ZIP codes are in the Bay City, MI metro area?
11 ZIP codes, based on each ZIP code's main county.
Which counties make up the Bay City, MI area?
Bay County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).