Fairview Heights Flag

Fairview Heights

County Seat:
No
Area (mi²):
11.431
State:
Illinois

Fairview Heights is a city located in St. Clair County, Illinois. Fairview Heights has a 2026 population of 15,839. Fairview Heights is currently declining at a rate of -0.86% annually and its population has decreased by -4.96% since the most recent census, which recorded a population of 16,666 in 2020.

The median household income in Fairview Heights is $80,930 with a poverty rate of 8.83%. The median age in Fairview Heights is 41 years: 38.5 years for males, and 44.9 years for females. For every 100 females there are 108.3 males.

15.8K
Total Population
1,386
Density (mi²)
-138 -0.86%
Growth

Fairview Heights 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)