Berwick is located in Warren County, Illinois. Berwick has a 2025 population of 295 . Berwick is currently declining at a rate of -0.34% annually and its population has decreased by -4.22% since the most recent census, which recorded a population of 308 in 2020.
The average household income in Berwick is $76,167 with a poverty rate of 7.37%. The median age in Berwick is 52.5 years: 55.1 years for males, and 52.4 years for females. For every 100 females there are 79.2 males.
Data after 2023 is projected based on recent change
The racial composition of Berwick includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 190 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Berwick's average per capita income is $38,750. Household income levels show a median of $92,917. The poverty rate stands at 7.37%.
Name | Median | Mean |
|---|---|---|
| Families | $102,778 | $90,978 |
| Married Families | $93,958 | - |
| Households | $92,917 | $76,167 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate