Gillespie Flag

Gillespie

County:
Macoupin County
County Seat:
No
Area (mi²):
35.656
State:
Illinois

Gillespie is located in Macoupin County, Illinois. Gillespie has a 2025 population of 3,538 . Gillespie is currently declining at a rate of -0.73% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 3,647 in 2020.

The average household income in Gillespie is $87,830 with a poverty rate of 16.12%. The median age in Gillespie is 45.3 years: 43 years for males, and 46.6 years for females. For every 100 females there are 104.3 males.

3.5K
Total Population
99
Density (mi²)
-26 -0.73%
Growth

Gillespie Population

Gillespie Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Gillespie includes 92.88% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.

Population by Race

White (92.88%)

Two or more races (6.43%)

Black or African American (0.3%)

Other race (0.28%)

Asian (0.08%)

Native American (0.03%)

Race
Population
Percentage (of total)
White3,36592.88%
Two or more races2336.43%
Black or African American110.3%
Other race100.28%
Asian30.08%
Native American10.03%

Gillespie Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Gillespie's average per capita income is $54,076. Household income levels show a median of $75,921. The poverty rate stands at 16.12%.

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$94,875-
Families$77,202$96,479
Households$75,921$87,830
Non Families$42,679$55,447

$54,076

Average Income

$75,921

Median Household Income

16.12%

Poverty Rate

Nearby Cities

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)