Mason County
Also known as Mason County, Michigan, Mason County, MI
county in Michigan, United States
Key facts
- Country
- United States
- State
- Michigan
- Founded
- 1840 (founded as Notipekago), 1855 (organized)
- Named after
- Stevens T. Mason
- Seat
- Ludington
- Largest city
- Ludington
- Total
- 1,242 sq mi (3,220 km )
- Land
- 495 sq mi (1,280 km )
- Water
- 747 sq mi (1,930 km ) 60%
- Estimate 2025
- 29,040
- Density
- 58/sq mi (22/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
Article
Mason County is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 29,052. The county seat is Ludington.
Mason County comprises the Ludington, MI Micropolitan Statistical Area.