Berwick Flag

Berwick

County:
Warren County
County Seat:
No
Area (mi²):
35.807
State:
Illinois

Berwick is located in Warren County, Illinois. Berwick has a 2025 population of 290. Berwick is currently declining at a rate of -1.02% annually and its population has decreased by -5.54% since the most recent census, which recorded a population of 307 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.

290
Total Population
8
Density (mi²)
-3 -1.02%
Growth

Berwick Population

Berwick Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Berwick includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White190100%

Berwick Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$102,778$90,978
Married Families$93,958-
Households$92,917$76,167
Non Families--

$38,750

Average Income

$92,917

Median Household Income

7.37%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)