Ingham County, Michigan

Ingham County
Location within the U.S. state of Michigan
Michigan's location within the U.S.
Coordinates: 42°36′N 84°22′W / 42.6°N 84.37°W / 42.6; -84.37
Country United States
State Michigan
FoundedOctober 29, 1829 (created)
1838 (organized)
Named afterSamuel D. Ingham
SeatMason
Largest cityLansing
Area
  Total
561 sq mi (1,450 km2)
  Land556 sq mi (1,440 km2)
  Water4.6 sq mi (12 km2)  0.8%
Population
 (2020)
  Total
284,900
  Estimate 
(2024)
290,427
  Density510/sq mi (200/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district7th
Websiteingham.org

Ingham County (/ˈɪŋəm/ ING-um) is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 284,900. The county seat is Mason. Lansing, the state capital of Michigan, is largely located within the county. Lansing is the only state capital in the United States located in a county of which it is not also the seat of government. The county is home to Michigan State University, Lansing Community College, and the Class A minor league baseball team Lansing Lugnuts. Ingham County is included in the Lansing–East Lansing, MI Metropolitan Statistical Area. It is considered to be a part of Mid Michigan.