Berreman is located in Jo Daviess County, Illinois. Berreman has a 2025 population of 146 . Berreman is currently growing at a rate of 0.69% annually but its population has decreased by -1.35% since the most recent census, which recorded a population of 148 in 2020.
The median age in Berreman is 38 years: 14.8 years for males, and 39.5 years for females. For every 100 females there are 144.7 males.
Data after 2023 is projected based on recent change
The racial composition of Berreman includes 88.7% White, and smaller percentages for and multiracial populations.
White (88.7%)
Two or more races (11.3%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 102 | 88.7% |
| Two or more races | 13 | 11.3% |
Married
Widowed
Divorced
Separated
Never Married