Delavan township is located in Tazewell County, Illinois. Delavan township has a 2026 population of 1,908. Delavan township is currently growing at a rate of 0.05% annually but its population has decreased by -1.7% since the most recent census, which recorded a population of 1,941 in 2020.
The median household income in Delavan township is $67,250 with a poverty rate of 12.39%. The median age in Delavan township is 38.7 years: 36.7 years for males, and 42.5 years for females. For every 100 females there are 93.5 males.
Data after 2023 is projected based on recent change
Overall: 38.7 years
Female: 42.5 years
Male: 36.7 years
There are 1,357 adults, (434 of whom are seniors) in Delavan township.
Female: 972 (51.7%)
Male: 909 (48.3%)
The racial composition of Delavan township includes 96.17% White, and smaller percentages for Two or more races, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,809 | 96.17% |
| Two or more races | 46 | 2.45% |
| Other race | 26 | 1.38% |
Delavan township 's average per capita income is $40,541. Household income levels show a median of $67,250. The poverty rate stands at 12.39%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,875 | - |
| Families | $76,172 | $91,651 |
| Households | $67,250 | $73,577 |
| Non Families | $41,827 | $47,242 |
Average Income
Median Household Income
Poverty Rate