Eaton County, Michigan

Eaton County, Michigan, has 109,581 residents (July 2025 estimate). Its county seat is Charlotte. It uses Eastern Time and covers 575 sq mi (1,490 km²) of land.

DetroitGrand Rapids
Eaton County in Michigan
LansingWaverlyCharlotteGrand LedgeEaton Rapids
Eaton County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
109,581
Land area
575 sq mi (1,490 km²)
County seat or government
Charlotte
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$79,597 ± $2,067
Median home value
$216,900 ± $4,419
Median rent, with utilities
$1,092 ± $26
Homes lived in by their owners
74.2% ± 1.2 points
County type
County
Metro or micro area
Lansing-East Lansing, MI metro areaCentral county
Water area
4.22 sq mi (10.9 km²)
State
Michigan
County code (FIPS)
26045
Coordinates (central point)
42.589530, -84.846450

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 Eaton 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. 4891139,876 people
  2. 4891732,483 people
  3. 4890625,901 people
  4. 4884221,945 people
  5. 4881320,564 people
  6. 4883719,947 people
  7. 4882715,831 people
  8. 488216,327 people
  9. 490216,319 people
  10. 488495,723 people
  11. 490735,120 people
  12. 488764,360 people
All 19
  1. 490764,294 people
  2. 490963,305 people
  3. 492842,493 people
  4. 488902,055 people
  5. 488611,774 people
  6. 488971,669 people
  7. 492641,454 people

19 ZIP Code areas overlap Eaton 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 Eaton County, largest first

  1. Delta Charter Township33,104 people
  2. Windsor Charter Township7,141 people
  3. Eaton Rapids Township4,001 people
  4. Eaton Township3,997 people
  5. Oneida Charter Township3,975 people
  6. Hamlin Township3,227 people
  7. Bellevue Township3,207 people
  8. Carmel Township2,842 people
  9. Benton Township2,760 people
  10. Kalamo Township2,171 people
  11. Vermontville Township2,051 people
  12. Walton Township1,916 people
All 16
  1. Roxand Township1,808 people
  2. Sunfield Township1,788 people
  3. Chester Township1,562 people
  4. Brookfield Township1,335 people

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

School districts in Eaton County, largest first

  1. Lansing Public School District118,248 people
  2. Grand Ledge Public Schools36,362 people
  3. Holt Public Schools30,605 people
  4. Waverly Community Schools19,892 people
  5. Charlotte Public Schools18,937 people
  6. Eaton Rapids Public Schools17,103 people
  7. Lakewood Public Schools13,554 people
  8. Maple Valley Schools8,061 people
  9. Olivet Community Schools6,738 people
  10. Potterville Public Schools5,788 people
  11. Bellevue Community Schools5,715 people
  12. Springport Public Schools4,792 people
All 13
  1. Oneida Township School District 367 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. Lansing, Michigan (city)113,023 people
  2. Waverly, Michigan (CDP)23,575 people
  3. Charlotte, Michigan (city)9,277 people
  4. Grand Ledge, Michigan (city)7,804 people
  5. Eaton Rapids, Michigan (city)5,183 people
  6. Potterville, Michigan (city)3,087 people
  7. Olivet, Michigan (city)1,844 people
  8. Bellevue, Michigan (village)1,552 people
  9. Dimondale, Michigan (village)1,521 people
  10. Vermontville, Michigan (village)790 people
  11. Sunfield, Michigan (village)658 people
  12. Mulliken, Michigan (village)501 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Barry County, Michigan24 mi west
  2. Ingham County, Michigan24 mi east
  3. Calhoun County, Michigan25 mi south
  4. Ionia County, Michigan27 mi northwest
  5. Clinton County, Michigan28 mi northeast
  6. Jackson County, Michigan32 mi southeast

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.