May we count your visit with Google Analytics? It uses cookies and sends visit data to Google. You can change this any time under Cookie choices. Privacy

Where am ILOCATED

Allegan County, Michigan

Allegan County, Michigan, has 123,188 residents (July 2025 estimate). Its county seat is Allegan. It uses Eastern Time and covers 825 sq mi (2,138 km²) of land.

DetroitGrand RapidsWarren
Allegan County in Michigan
HollandAlleganWaylandOtsegoSouth Haven
Allegan County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
123,188
Land area
825 sq mi (2,138 km²)
County seat or government
Allegan
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$83,283 ± $2,480
Median home value
$267,100 ± $6,863
Median rent, with utilities
$1,100 ± $40
Homes lived in by their owners
87.4% ± 1.0 points
County type
County
Metro or micro area
Holland, MI micro areaCentral county
Water area
1,008 sq mi (2,610 km²)
State
Michigan
County code (FIPS)
26005
Coordinates (central point)
42.421251, -86.261403
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 Allegan 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. 4942347,060 people
  2. 4942640,523 people
  3. 4946428,914 people
  4. 4931527,091 people
  5. 4931626,427 people
  6. 4901018,175 people
  7. 4908016,002 people
  8. 4934813,699 people
  9. 4909013,250 people
  10. 4933312,753 people
  11. 4932311,073 people
  12. 4940810,288 people
All 25
  1. 4907810,018 people
  2. 494198,681 people
  3. 490555,941 people
  4. 490564,478 people
  5. 493284,069 people
  6. 493443,778 people
  7. 494502,998 people
  8. 494532,908 people
  9. 490702,359 people
  10. 490261,754 people
  11. 494061,085 people
  12. 49335174 people
  13. 49434130 people

25 ZIP Code areas overlap Allegan 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 Allegan County, largest first

  1. Dorr Township7,934 people
  2. Leighton Township7,149 people
  3. Gun Plain Township6,151 people
  4. Laketown Township6,115 people
  5. Otsego Township5,962 people
  6. Salem Township5,178 people
  7. Allegan Township4,793 people
  8. Heath Township3,966 people
  9. Lee Township3,817 people
  10. Wayland Township3,591 people
  11. Saugatuck Township3,548 people
  12. Manlius Township3,359 people
All 24
  1. Overisel Township3,154 people
  2. Casco Township2,856 people
  3. Fillmore Township2,780 people
  4. Hopkins Township2,740 people
  5. Martin Township2,713 people
  6. Ganges Township2,599 people
  7. Trowbridge Township2,535 people
  8. Cheshire Township2,491 people
  9. Monterey Township2,489 people
  10. Clyde Township2,340 people
  11. Watson Township2,094 people
  12. Valley Township2,033 people

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

School districts in Allegan County, largest first

  1. Hudsonville Public School District48,030 people
  2. Holland City School District37,053 people
  3. Zeeland Public Schools33,754 people
  4. Caledonia Community Schools30,869 people
  5. Wayland Union Schools19,497 people
  6. Allegan Public Schools17,798 people
  7. Thornapple Kellogg School District17,649 people
  8. Hamilton Community Schools16,638 people
  9. Plainwell Community Schools16,157 people
  10. Otsego Public Schools14,673 people
  11. South Haven Public Schools12,755 people
  12. Delton-Kellogg School District10,855 people
All 19
  1. Fennville Public Schools9,530 people
  2. Hopkins Public Schools9,399 people
  3. Bloomingdale Public School District7,085 people
  4. Saugatuck Public Schools6,274 people
  5. Gobles Public School District5,488 people
  6. Martin Public Schools4,759 people
  7. Glenn Public School District432 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.

Tribal areas in Allegan County, largest first

  1. Match-e-be-nash-she-wish Band of Pottawatomi Reservation and Off-Reservation Trust Land21 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

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

  1. Holland, Michigan (city)34,423 people
  2. Allegan, Michigan (city)5,172 people
  3. Wayland, Michigan (city)4,457 people
  4. Otsego, Michigan (city)4,074 people
  5. South Haven, Michigan (city)3,998 people
  6. Plainwell, Michigan (city)3,763 people
  7. Dorr, Michigan (CDP)3,702 people
  8. Fennville, Michigan (city)1,623 people
  9. Douglas, Michigan (city)1,427 people
  10. Hopkins, Michigan (village)773 people
  11. Saugatuck, Michigan (city)766 people
  12. Martin, Michigan (village)579 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Van Buren County, Michigan9.9 mi south
  2. Kalamazoo County, Michigan39 mi east
  3. Ottawa County, Michigan44 mi north
  4. Barry County, Michigan50 mi east
  5. Kent County, Michigan56 mi northeast
  6. Lake County, Illinois81 mi west
  7. Racine County, Wisconsin81 mi west
  8. Kenosha County, Wisconsin83 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.