Brookside Flag

Brookside

County:
Clinton County
County Seat:
No
Area (mi²):
24.314
State:
Illinois

Brookside is located in Clinton County, Illinois. Brookside has a 2025 population of 4,430 . Brookside is currently growing at a rate of 0.29% annually but its population has decreased by -0.09% since the most recent census, which recorded a population of 4,434 in 2020.

The average household income in Brookside is $65,492 with a poverty rate of 22.86%. The median age in Brookside is 44.3 years: 42.2 years for males, and 52.6 years for females. For every 100 females there are 200.1 males.

4.4K
Total Population
182
Density (mi²)
13 0.29%
Growth

Brookside 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)