Gillespie township is located in Macoupin County, Illinois. Gillespie township has a 2026 population of 3,512. Gillespie township is currently declining at a rate of -0.73% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 3,647 in 2020.
The median household income in Gillespie township is $80,833 with a poverty rate of 15.43%. The median age in Gillespie township is 44.5 years: 44.5 years for males, and 44.5 years for females. For every 100 females there are 100.5 males.
Data after 2023 is projected based on recent change
Overall: 44.5 years
Female: 44.5 years
Male: 44.5 years
There are 2,854 adults, (760 of whom are seniors) in Gillespie township.
Female: 1,801 (49.9%)
Male: 1,810 (50.1%)
The racial composition of Gillespie township includes 93.3% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,369 | 93.3% |
| Two or more races | 230 | 6.37% |
| Other race | 6 | 0.17% |
| Black or African American | 5 | 0.14% |
| Asian | 1 | 0.03% |
Gillespie township 's average per capita income is $58,576. Household income levels show a median of $80,833. The poverty rate stands at 15.43%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,122 | - |
| Families | $89,096 | $103,937 |
| Households | $80,833 | $92,314 |
| Non Families | $43,531 | $57,248 |
Average Income
Median Household Income
Poverty Rate