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Where am ILOCATED

Bay County, Michigan

Bay County, Michigan, has 102,123 residents (July 2025 estimate). Its county seat is Bay City. It uses Eastern Time and covers 442 sq mi (1,146 km²) of land.

DetroitGrand RapidsWarren
Bay County in Michigan
Gladwin CountyMidland CountyTuscola CountyBay CityAuburnPinconning
Bay County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
102,123
Land area
442 sq mi (1,146 km²)
County seat or government
Bay City
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$61,763 ± $2,526
Median home value
$152,200 ± $3,642
Median rent, with utilities
$860 ± $37
Homes lived in by their owners
77% ± 1.4 points
County type
County
Metro or micro area
Bay City, MI metro areaCentral county
Water area
188 sq mi (488 km²)
State
Michigan
County code (FIPS)
26017
Coordinates (central point)
43.699711, -83.978701
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Bay County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/DetroitUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 4870638,974 people
  2. 4864234,039 people
  3. 4870825,635 people
  4. 4862315,129 people
  5. 4873211,340 people
  6. 4860411,011 people
  7. 486506,510 people
  8. 486116,093 people
  9. 486584,694 people
  10. 486344,334 people
  11. 487573,708 people
  12. 486313,681 people
All 17
  1. 486592,563 people
  2. 486521,832 people
  3. 487471,549 people
  4. 486131,081 people
  5. 487100 people

17 ZIP Code areas overlap Bay County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address 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.

Townships in Bay County, largest first

  1. Bangor Charter Township13,902 people
  2. Monitor Charter Township10,638 people
  3. Hampton Charter Township9,623 people
  4. Williams Charter Township5,050 people
  5. Kawkawlin Township4,394 people
  6. Frankenlust Township3,678 people
  7. Portsmouth Charter Township3,183 people
  8. Fraser Township2,965 people
  9. Beaver Township2,698 people
  10. Pinconning Township1,907 people
  11. Garfield Township1,743 people
  12. Mount Forest Township1,453 people
All 14
  1. Merritt Township1,406 people
  2. Gibson Township978 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Michigan, by county

School districts in Bay County, largest first

  1. Bay City School District69,538 people
  2. Bangor Township Schools13,902 people
  3. Freeland Community School District13,205 people
  4. Pinconning Area Schools11,364 people
  5. Standish-Sterling Community School District11,234 people
  6. Essexville-Hampton Public Schools8,483 people
  7. Reese Public Schools5,143 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Midland, Michigan (city)42,724 people
  2. Bay City, Michigan (city)32,320 people
  3. Essexville, Michigan (city)3,327 people
  4. Auburn, Michigan (city)2,124 people
  5. Pinconning, Michigan (city)1,448 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Midland County, Michigan20 mi west
  2. Saginaw County, Michigan26 mi south
  3. Arenac County, Michigan26 mi northeast
  4. Gladwin County, Michigan29 mi northwest
  5. Tuscola County, Michigan31 mi southeast
  6. Huron County, Michigan58 mi east

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.