Gillespie Flag

Gillespie

County:
Macoupin County
County Seat:
No
Area (mi²):
1.484
State:
Illinois

Gillespie is a city located in Macoupin County, Illinois. Gillespie has a 2026 population of 3,049. Gillespie is currently declining at a rate of -0.62% annually and its population has decreased by -3.6% since the most recent census, which recorded a population of 3,163 in 2020.

The median household income in Gillespie is $82,772 with a poverty rate of 17.09%. The median age in Gillespie is 45.3 years: 42.1 years for males, and 47.7 years for females. For every 100 females there are 115.5 males.

3K
Total Population
2,054
Density (mi²)
-19 -0.62%
Growth

Gillespie 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)