Berwick township is located in Warren County, Illinois. Berwick township has a 2026 population of 294. Berwick township is currently declining at a rate of -0.34% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 308 in 2020.
The median household income in Berwick township is $69,861 with a poverty rate of 0%. The median age in Berwick township is 57.9 years: 60.7 years for males, and 57.3 years for females. For every 100 females there are 75.0 males.
Data after 2023 is projected based on recent change
Overall: 57.9 years
Female: 57.3 years
Male: 60.7 years
There are 168 adults, (65 of whom are seniors) in Berwick township.
Female: 96 (57.1%)
Male: 72 (42.9%)
The racial composition of Berwick township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 168 | 100% |
Berwick township 's average per capita income is $38,077. Household income levels show a median of $69,861. The poverty rate stands at 0%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $91,250 | $80,219 |
| Households | $69,861 | $78,988 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate