Oceana County, Michigan

Oceana County, Michigan, has 27,177 residents (July 2025 estimate). Its county seat is Hart. It uses Eastern Time and covers 538 sq mi (1,394 km²) of land.

DetroitGrand RapidsWarren
Oceana County in Michigan
ShelbyHartPentwaterNew Era
Oceana County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
27,177
Land area
538 sq mi (1,394 km²)
County seat or government
Hart
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$62,417 ± $3,332
Median home value
$190,100 ± $13,158
Median rent, with utilities
$759 ± $41
Homes lived in by their owners
84.5% ± 1.1 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Ludington, MI micro area, Muskegon-Norton Shores, MI metro area, Sheboygan, WI metro area, and Milwaukee-Waukesha, WI metro area
Water area
768 sq mi (1,989 km²)
State
Michigan
County code (FIPS)
26127
Coordinates (central point)
43.603954, -86.467177

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 Oceana 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. 4941212,097 people
  2. 494376,895 people
  3. 494206,202 people
  4. 494215,734 people
  5. 494555,429 people
  6. 494253,520 people
  7. 494492,587 people
  8. 494522,208 people
  9. 494462,184 people
  10. 494361,644 people
  11. 494591,524 people
  12. 494021,411 people

12 ZIP Code areas overlap Oceana 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 Oceana County, largest first

  1. Shelby Township4,116 people
  2. Grant Township3,055 people
  3. Newfield Township2,381 people
  4. Hart Township2,007 people
  5. Golden Township1,707 people
  6. Benona Township1,560 people
  7. Pentwater Township1,485 people
  8. Ferry Township1,302 people
  9. Weare Township1,274 people
  10. Greenwood Township1,222 people
  11. Elbridge Township981 people
  12. Leavitt Township955 people
All 16
  1. Otto Township864 people
  2. Claybanks Township831 people
  3. Crystal Township687 people
  4. Colfax Township564 people

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

School districts in Oceana County, largest first

  1. Fremont Public School District14,522 people
  2. Montague Area Public Schools9,106 people
  3. Shelby Public Schools8,363 people
  4. Mason County Central Schools8,042 people
  5. Hart Public School District7,584 people
  6. Holton Public Schools6,617 people
  7. Hesperia Community Schools5,298 people
  8. Pentwater Public School District2,295 people
  9. Walkerville Rural Community School District1,577 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. Shelby, Michigan (village)2,577 people
  2. Hart, Michigan (city)1,924 people
  3. Hesperia, Michigan (village)934 people
  4. Pentwater, Michigan (village)872 people
  5. New Era, Michigan (village)433 people
  6. Rothbury, Michigan (village)356 people
  7. Mears, Michigan (CDP)204 people
  8. Walkerville, Michigan (village)202 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Muskegon County, Michigan12 mi south
  2. Mason County, Michigan24 mi north
  3. Newaygo County, Michigan34 mi east
  4. Lake County, Michigan42 mi northeast
  5. Sheboygan County, Wisconsin64 mi west
  6. Ozaukee County, Wisconsin69 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.