Rock Creek-Lima township is located in Carroll County, Illinois. Rock Creek-Lima township has a 2026 population of 1,921. Rock Creek-Lima township is currently declining at a rate of -0.41% annually and its population has decreased by -3.47% since the most recent census, which recorded a population of 1,990 in 2020.
The median household income in Rock Creek-Lima township is $68,056 with a poverty rate of 10.31%. The median age in Rock Creek-Lima township is 38.8 years: 37.8 years for males, and 38.9 years for females. For every 100 females there are 106.0 males.
Data after 2023 is projected based on recent change
Overall: 38.8 years
Female: 38.9 years
Male: 37.8 years
There are 1,408 adults, (417 of whom are seniors) in Rock Creek-Lima township.
Female: 918 (48.5%)
Male: 973 (51.5%)
The racial composition of Rock Creek-Lima township includes 95.35% White, and smaller percentages for other race, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,803 | 95.35% |
| Two or more races | 77 | 4.07% |
| Other race | 6 | 0.32% |
| Black or African American | 5 | 0.26% |
Rock Creek-Lima township 's average per capita income is $52,625. Household income levels show a median of $68,056. The poverty rate stands at 10.31%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $121,250 | - |
| Families | $101,125 | $99,457 |
| Households | $68,056 | $81,939 |
| Non Families | $40,144 | $45,949 |
Average Income
Median Household Income
Poverty Rate