Eureka, Michigan

Eureka, Michigan
Intersection of Maple Rapids and Welling Road
Eureka
Location within the state of Michigan
Eureka
Location within the United States
Coordinates: 43°06′13″N 84°30′49″W / 43.10361°N 84.51361°W / 43.10361; -84.51361
CountryUnited States
StateMichigan
CountyClinton
TownshipGreenbush
Settled1836
Area
  Total
1.01 sq mi (2.61 km2)
  Land1.01 sq mi (2.61 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
725 ft (221 m)
Population
 (2020)
  Total
233
  Density230.69/sq mi (89.07/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code(s)
48831 (Elsie)
48833
48879 (St. Johns)
Area code989
GNIS feature ID2804347

Eureka is an unincorporated community and census-designated place (CDP) in Clinton County in the U.S. state of Michigan. The population of the CDP was 233 at the 2020 census. The community is located within Greenbush Township.

As an unincorporated community, Eureka has no legal autonomy of its own but does have its own post office with the 48833 ZIP Code.