St. Clair township Population

2010–2026

1,295

2026 projection

3.3% since 2020 (decrease)

05001K1.5K2K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for St. Clair township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,295-70.54%
20251,302-70.53%
20241,309-50.38%
20231,314-60.45%
20221,320-120.90%
20211,332-70.52%
20201,339-916.36%
20191,430-90.63%
20181,439-90.62%
20171,448-151.03%

Showing 10 of 17 years.

St. Clair township Demographics

47.8median age

Median age

Female52.4 yrs
Male42.9 yrs

Adults

978
267 seniors · 27%711 other adults

Sex

Female 44% · 549Male 56% · 698

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 12 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

St. Clair township Income

$55,000median household income

Median household income

$55,000

Half of households earn more, half earn less

Median earnings

$41,944

Typical yearly pay for a worker 25 or older.

Poverty rate

16.6%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

St. Clair township Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%52%60%
Never married24%30%16%
Divorced13%14%11%
Widowed5%2%9%
Separated2%<1%4%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201