Clear Lake township is located in Sangamon County, Illinois. Clear Lake township has a 2026 population of 8,279. Clear Lake township is currently growing at a rate of 0.01% annually but its population has decreased by -1.13% since the most recent census, which recorded a population of 8,374 in 2020.
The median household income in Clear Lake township is $86,473 with a poverty rate of 6.34%. The median age in Clear Lake township is 46.7 years: 44.2 years for males, and 50.7 years for females. For every 100 females there are 116.3 males.
Data after 2023 is projected based on recent change
Overall: 46.7 years
Female: 50.7 years
Male: 44.2 years
There are 6,686 adults, (1,813 of whom are seniors) in Clear Lake township.
Female: 3,838 (46.2%)
Male: 4,464 (53.8%)
The racial composition of Clear Lake township includes 94.04% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,807 | 94.04% |
| Two or more races | 319 | 3.84% |
| Black or African American | 116 | 1.4% |
| Asian | 51 | 0.61% |
| Other race | 9 | 0.11% |
Clear Lake township 's average per capita income is $55,841. Household income levels show a median of $86,473. The poverty rate stands at 6.34%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $113,382 | - |
| Families | $97,112 | $119,007 |
| Households | $86,473 | $101,595 |
| Non Families | $42,216 | $68,231 |
Average Income
Median Household Income
Poverty Rate