File:Fort_Gratiot_Lighthouse_4.jpg · Wikimedia Commons · See Wikimedia Commons
St. Clair County
Sign in to saveAlso known as St. Clair County, Michigan, Saint Clair County, Saint Clair County, Michigan, St. Clair County, MI
county in Michigan, United States
Key facts
- Country
- United States
- State
- Michigan
- Founded
- March 28, 1820 (created), 1821 (organized)
- Named after
- St. Clare of Assisi
- Seat
- Port Huron
- Largest city
- Port Huron
- Total
- 837 sq mi (2,170 km )
- Land
- 721 sq mi (1,870 km )
- Water
- 115 sq mi (300 km ) 14%
- Estimate 2025
- 160,486
- Density
- 190/sq mi (73/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 9th
- Website
- www .stclaircounty .org
via Wikipedia infobox
~13 min read
Encyclopedic overview
St. Clair County is a county located in the U.S. state of Michigan and bordering the west bank of the St. Clair River. As of the 2020 census, the population was 160,383. It is the 13th-most populous county in the state. The county seat is Port Huron, located at the north end of the St. Clair River at Lake Huron. The county was created September 10, 1820, and its government was organized in 1821. It is located northeast of Detroit. It is considered by the State of Michigan to be a part of The Thumb, a peninsula that is surrounded by Lake Huron in the east-central area of the state. This area is sometimes dubbed the Blue Water Area.
Etymology
Excerpted from Wikipedia’s “St. Clair County” article, available under the CC BY-SA 4.0 licence.