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Welcome to Saint Clair County ...

Time Zone: Saint Clair County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Port Huron is the Seat for Saint Clair County.

Saint Clair County was founded ? and was created by taking area from Wayne County.

From the Census Estimates for 2019, <1> Saint Clair had a population of 159,128 people. This is a decrease of 2.19% since the last Census (which gave a population of 162,690 people in 2010).

At the time of the 2010 Census, Saint Clair represented 1.65% of the total population of Michigan.

Below are some of the communities located in Saint Clair County:

  • Algonac
    (20 miles [32.2 km] to the south)
    • Algonac is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Algonac
    • Population from the 2020 Census: 4,034 people
    • Jump to TripAdvisor's Tourism page for Algonac <2>
  • Capac
    (17 miles [27.4 km] to the west)
    • Capac is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Capac
    • Population from the 2020 Census: 1,846 people
    • Jump to TripAdvisor's Tourism page for Capac <2>
  • Emmett
    (9 miles [14.5 km] to the northwest)
    • Emmett is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Emmett
    • Population from the 2020 Census: 259 people
    • Jump to TripAdvisor's Tourism page for Emmett <2>
  • Marine City
    (14 miles [22.5 km] to the south)
    • Marine City is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Marine City
    • Population from the 2020 Census: 4,035 people
    • Former names for Marine City:
    • Cottrellville
    • Marine
    • Newport
    • Jump to TripAdvisor's Tourism page for Marine City <2>
  • Marysville
    (5 miles [8 km] to the east)
    • Marysville is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Marysville
    • Population from the 2020 Census: 9,649 people
    • Jump to TripAdvisor's Tourism page for Marysville <2>
  • Port Huron
    (9 miles [14.5 km] to the northeast)
    • Port Huron is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Port Huron
    • Population from the 2020 Census: 28,631 people
    • Jump to TripAdvisor's Tourism page for Port Huron <2>
  • Saint Clair
    (8 miles [12.9 km] to the southeast)
  • Yale
    (17 miles [27.4 km] to the northwest)
    • Yale is located in Saint Clair County (MI)
    • Jump to our Gazetteer entry for Yale
    • Population from the 2020 Census: 1,861 people
    • Jump to TripAdvisor's Tourism page for Yale <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.