Bay County, Michigan
Bay County is a county in Michigan. Its county FIPS code is 26017. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 26017
- Representative coordinates
- 43.699711, -83.978701
- County type
- County
- County seat or government
- Bay City
- Resident population, July 2025
- 102,123
- Land area
- 1,145.835 km²
- Water area
- 487.713 km²
- State
- Michigan
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Bay County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Detroit | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
48604 · 48611 · 48613 · 48623 · 48631 · 48634 · 48642 · 48650 · 48652 · 48658 · 48659 · 48706 · 48708 · 48710 · 48732 · 48747 · 48757
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Bay County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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