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Where am ILOCATED

Sanilac County, Michigan

Sanilac County, Michigan, has 40,083 residents (July 2025 estimate). Its county seat is Sandusky. It uses Eastern Time and covers 963 sq mi (2,493 km²) of land.

DetroitGrand RapidsWarren
Sanilac County in Michigan
SanduskyCroswellMarletteBrown City
Sanilac County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
40,083
Land area
963 sq mi (2,493 km²)
County seat or government
Sandusky
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$58,863 ± $1,842
Median home value
$168,300 ± $2,743
Median rent, with utilities
$807 ± $30
Homes lived in by their owners
82.6% ± 1.8 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Detroit-Warren-Dearborn, MI metro area
Water area
627 sq mi (1,625 km²)
State
Michigan
County code (FIPS)
26151
Coordinates (central point)
43.449155, -82.642815
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 Sanilac 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. 484226,094 people
  2. 487265,872 people
  3. 480975,418 people
  4. 484715,414 people
  5. 484535,046 people
  6. 484164,996 people
  7. 484504,320 people
  8. 484413,682 people
  9. 484272,861 people
  10. 484192,268 people
  11. 484752,235 people
  12. 480321,871 people
All 23
  1. 484661,514 people
  2. 484691,388 people
  3. 484721,359 people
  4. 484011,323 people
  5. 484261,317 people
  6. 484541,175 people
  7. 48456788 people
  8. 48470600 people
  9. 48465458 people
  10. 48434136 people
  11. 4841077 people

23 ZIP Code areas overlap Sanilac 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

Sanilac 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 Sanilac County, largest first

  1. Lexington Township3,462 people
  2. Worth Township3,461 people
  3. Sanilac Township2,341 people
  4. Marlette Township1,691 people
  5. Marion Township1,610 people
  6. Washington Township1,561 people
  7. Elk Township1,436 people
  8. Speaker Township1,370 people
  9. Maple Valley Township1,309 people
  10. Flynn Township1,238 people
  11. Watertown Township1,163 people
  12. Lamotte Township1,014 people
All 26
  1. Evergreen Township994 people
  2. Forester Township970 people
  3. Fremont Township946 people
  4. Buel Township916 people
  5. Custer Township913 people
  6. Moore Township845 people
  7. Greenleaf Township793 people
  8. Bridgehampton Township770 people
  9. Delaware Township756 people
  10. Elmer Township704 people
  11. Minden Township584 people
  12. Austin Township550 people
  13. Argyle Township514 people
  14. Wheatland Township380 people

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

School districts in Sanilac County, largest first

  1. Croswell-Lexington Community School District13,098 people
  2. Yale Public Schools10,808 people
  3. Cass City Public Schools7,882 people
  4. Marlette Community Schools6,755 people
  5. Sandusky Community School District6,412 people
  6. Brown City Community School District4,928 people
  7. Harbor Beach Community Schools4,262 people
  8. Deckerville Community School District4,104 people
  9. Carsonville-Port Sanilac School District3,469 people
  10. Ubly Community Schools3,302 people
  11. Peck Community School District2,590 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. Sandusky, Michigan (city)2,694 people
  2. Croswell, Michigan (city)2,488 people
  3. Marlette, Michigan (city)1,850 people
  4. Brown City, Michigan (city)1,139 people
  5. Lexington, Michigan (village)1,126 people
  6. Deckerville, Michigan (village)1,042 people
  7. Port Sanilac, Michigan (village)812 people
  8. Peck, Michigan (village)589 people
  9. Carsonville, Michigan (village)463 people
  10. Applegate, Michigan (village)255 people
  11. Minden City, Michigan (village)203 people
  12. Snover, Michigan (CDP)192 people
All 14
  1. Melvin, Michigan (village)139 people
  2. Forestville, Michigan (village)136 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Huron County, Michigan33 mi north
  2. St. Clair County, Michigan36 mi south
  3. Lapeer County, Michigan38 mi southwest
  4. Tuscola County, Michigan40 mi west

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.