Berwick township

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

Berwick township is located in Warren County, Illinois. Berwick township has a 2025 population of 290. Berwick township 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 township is $76,167 with a poverty rate of 7.37%. The median age in Berwick township is 52.5 years: 55.1 years for males, and 52.4 years for females.

Demographics

The racial composition of Berwick township includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	190	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Berwick township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Berwick township'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