Gillespie township is located in Macoupin County, Illinois. Gillespie township has a 2026 population of 3,564. Gillespie township is currently declining at a rate of -0.72% annually and its population has decreased by -2.28% since the most recent census, which recorded a population of 3,647 in 2020.
The median household income in Gillespie township is $75,921 with a poverty rate of 16.12%. The median age in Gillespie township is 45.3 years: 43 years for males, and 46.6 years for females. For every 100 females there are 104.3 males.
Data after 2023 is projected based on recent change
The racial composition of Gillespie township includes 92.88% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
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) |
|---|---|---|
| White | 3,365 | 92.88% |
| Two or more races | 233 | 6.43% |
| Black or African American | 11 | 0.3% |
| Other race | 10 | 0.28% |
| Asian | 3 | 0.08% |
| Native American | 1 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Gillespie township's average per capita income is $54,076. Household income levels show a median of $75,921. The poverty rate stands at 16.12%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,875 | - |
| Families | $77,202 | $96,479 |
| Households | $75,921 | $87,830 |
| Non Families | $42,679 | $55,447 |
Average Income
Median Household Income
Poverty Rate