Ingham County Courthouse

Mason is the county seat of Ingham County in the U.S. state of Michigan. The population was 8,252 at the 2010 census. Mason was named after Stevens T. Mason, the state's first governor.

The Ash Street-Sycamore Creek Bridge is a historic bridge located on Ash Street (MI-36) over Sycamore Creek in Mason, Michigan . It was listed on the National Register of Historic Places in 1999. It is one of the oldest T-beam bridges in Michigan.

The Philip Nice House is a single-family home located at 321 Center Street in Mason, Michigan. It was listed on the National Register of Historic Places in 1985.

The Michigan Central Railroad Mason Depot is a former railroad depot located at 111 North Mason Street in Mason, Michigan. It was listed on the National Register of Historic Places in 1985. It was remodeled into a restaurant, and is now the home of the Mason Depot Diner.

The Merrylees-Post House is a single-family home located at 519 West Ash Street in Mason, Michigan. It was listed on the National Register of Historic Places in 1985.

The John Rayner House is a single-family house located at 725 East Ash Street in Mason, Michigan. It was listed on the National Register of Historic Places in 1985. It is one of the earliest structures existing in Mason.

The Somerville Barn, also known as the Caltrider Barn, is part of a farmstead located at 1050 North College Road in Alaiedon Township, Michigan. It was listed on the National Register of Historic Places in Michigan in 2005.

Alaiedon Township ( AL-ə-dən) is a civil township of Ingham County in the U.S. state of Michigan. As of the 2020 census, the township population was 2,910.

Ingham County ( ING-əm) 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.

Okemos High School is a public high school in Okemos, Michigan, United States. It is the only high school in the Okemos Public Schools district. It is located southeast of the main campus of Michigan State University, between Bennett and Jolly Roads on the North and South, and Hulett and Hagadorn Roads on the East and West. The current building was completed in 1994, replacing the now Chippewa Middle School building as the district's high school. Former students of Chippewa 7-8 School comprise the school's student body.

WOAP (1080 AM) is a commercial radio station broadcasting Regional Mexican Syndication of WMJH. Licensed to Owosso, Michigan, it serves Shiawassee County. While the station is a daytimer, licensed to operate during daylight hours only, its programming is heard around the clock on its FM translator W276CZ (103.1 MHz) in Saginaw.

Holt is an unincorporated community and census-designated place (CDP) in Ingham County in the U.S. state of Michigan. The CDP is located within Delhi Charter Township and occupies a majority of the township. The population was 25,625 at the 2020 census, which is a significant increase from 11,315 at the 2000 census when the CDP area was significantly smaller.