Riley Flag

Riley

County Seat:
No
Area (mi²):
38.236
State:
Michigan

Riley is located in St. Clair County, Michigan. Riley has a 2025 population of 3,181 . Riley is currently declining at a rate of -0.22% annually and its population has decreased by -0.53% since the most recent census, which recorded a population of 3,198 in 2020.

The average household income in Riley is $116,485 with a poverty rate of 4.02%. The median age in Riley is 44.8 years: 45.4 years for males, and 44.3 years for females. For every 100 females there are 105.8 males.

3.2K
Total Population
83
Density (mi²)
-7 -0.22%
Growth

Riley Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)