Summit township is located in Effingham County, Illinois. Summit township has a 2026 population of 3,738. Summit township is currently growing at a rate of 0.11% annually but its population has decreased by -1.35% since the most recent census, which recorded a population of 3,789 in 2020.
The median household income in Summit township is $106,154 with a poverty rate of 3.87%. The median age in Summit township is 44 years: 47.1 years for males, and 39.9 years for females. For every 100 females there are 102.1 males.
Data after 2023 is projected based on recent change
The racial composition of Summit township includes 98.29% White, and smaller percentages for Two or more races, other race and multiracial populations.
White (98.29%)
Two or more races (1.44%)
Other race (0.27%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,683 | 98.29% |
| Two or more races | 54 | 1.44% |
| Other race | 10 | 0.27% |
Married
Widowed
Divorced
Separated
Never Married
Summit township's average per capita income is $59,442. Household income levels show a median of $106,154. The poverty rate stands at 3.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $135,859 | - |
| Families | $126,442 | $161,126 |
| Households | $106,154 | $146,253 |
| Non Families | $70,417 | $89,544 |
Average Income
Median Household Income
Poverty Rate