St. Joseph County, Michigan

St. Joseph County, Michigan, has 60,968 residents (July 2025 estimate). Its county seat is Centreville. It uses Eastern Time and covers 501 sq mi (1,297 km²) of land.

DetroitGrand RapidsWarren
St. Joseph County in Michigan
SturgisThree RiversConstantineWhite PigeonColon
St. Joseph County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
60,968
Land area
501 sq mi (1,297 km²)
County seat or government
Centreville
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$66,425 ± $2,763
Median home value
$178,300 ± $6,438
Median rent, with utilities
$849 ± $28
Homes lived in by their owners
76.1% ± 1.4 points
County type
County
Metro or micro area
Sturgis, MI micro areaCentral county
Water area
20.4 sq mi (52.8 km²)
State
Michigan
County code (FIPS)
26149
Coordinates (central point)
41.911488, -85.522870

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 St. Joseph 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. 4909119,337 people
  2. 4909318,433 people
  3. 4909711,754 people
  4. 490995,942 people
  5. 490424,564 people
  6. 490673,974 people
  7. 490403,384 people
  8. 490323,287 people
  9. 490722,937 people
  10. 490302,650 people
  11. 490112,236 people
  12. 49066720 people
All 13
  1. 49075182 people

13 ZIP Code areas overlap St. Joseph 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

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in St. Joseph County, largest first

  1. Constantine Township4,053 people
  2. White Pigeon Township3,779 people
  3. Lockport Township3,763 people
  4. Nottawa Township3,714 people
  5. Sherman Township3,471 people
  6. Colon Township3,337 people
  7. Fabius Township3,317 people
  8. Burr Oak Township2,650 people
  9. Mendon Township2,574 people
  10. Park Township2,530 people
  11. Sturgis Township1,859 people
  12. Fawn River Township1,510 people
All 16
  1. Mottville Township1,502 people
  2. Florence Township1,465 people
  3. Flowerfield Township1,412 people
  4. Leonidas Township1,036 people

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

School districts in St. Joseph County, largest first

  1. Three Rivers Community Schools18,351 people
  2. Sturgis Public Schools16,824 people
  3. Vicksburg Community Schools16,444 people
  4. Constantine Public School District7,866 people
  5. Bronson Community School District6,955 people
  6. White Pigeon Community Schools6,460 people
  7. Colon Community School District5,351 people
  8. Athens Area Schools5,205 people
  9. Marcellus Community Schools4,750 people
  10. Centreville Public Schools4,668 people
  11. Mendon Community School District3,200 people
  12. Burr Oak Community School District1,825 people
All 13
  1. Nottawa Community School1,800 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. Sturgis, Michigan (city)11,054 people
  2. Three Rivers, Michigan (city)7,943 people
  3. Constantine, Michigan (village)2,154 people
  4. White Pigeon, Michigan (village)1,760 people
  5. Colon, Michigan (village)1,570 people
  6. Centreville, Michigan (village)1,565 people
  7. Burr Oak, Michigan (village)818 people
  8. Mendon, Michigan (village)815 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. LaGrange County, Indiana19 mi south
  2. Kalamazoo County, Michigan23 mi north
  3. Branch County, Michigan23 mi east
  4. Cass County, Michigan25 mi west
  5. Elkhart County, Indiana28 mi southwest
  6. Calhoun County, Michigan35 mi northeast
  7. Van Buren County, Michigan48 mi northwest

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.