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.

Demographics

The racial composition of Gillespie includes 93.2% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,906	93.2%
Two or more races	202	6.48%
Other race	10	0.32%

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