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 2025 population of 3,077. Gillespie is currently declining at a rate of -0.55% annually and its population has decreased by -2.75% since the most recent census, which recorded a population of 3,164 in 2020.

The average household income in Gillespie is $85,663 with a poverty rate of 16.97%. The median age in Gillespie is 44.7 years: 42.4 years for males, and 45 years for females.

3.1K
Total Population
2,073
Density (mi²)
-17 -0.55%
Growth

Gillespie Population

Gillespie Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Gillespie includes 93.2% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White2,90693.2%
Two or more races2026.48%
Other race100.32%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

Gillespie Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Gillespie's average per capita income is $53,277. Household income levels show a median of $76,806. The poverty rate stands at 16.97%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$100,000-
Families$77,336$90,935
Households$76,806$85,663
Non Families$41,989$61,208

$53,277

Average Income

$76,806

Median Household Income

16.97%

Poverty Rate

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)