Berwick township Flag

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 2026 population of 298. Berwick township is currently growing at a rate of 0.34% annually but its population has decreased by -3.25% 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.

298
Total Population
8.3
Density (mi²)
1 0.34%
Growth

Berwick township Population

Berwick township Population

Year ↓
Population
Growth
Annual Change
202629810.34%
202529710.34%
2024296-1-0.34%
2023297-3-1%
2022300-4-1.32%
2021304-4-1.3%
202030800%
2019302-3-0.98%
2018305-3-0.97%
2017308-2-0.65%
201631000%
2015310-5-1.59%
201431510.32%
201331400%
2012314-1-0.32%
2011315-12-3.67%
201031200%

Median Age

Overall: 57.9 years
Female: 57.3 years
Male: 60.7 years

Berwick township Adults

There are 168 adults, (65 of whom are seniors) in Berwick township.

Sex Ratio

Female: 96 (57.1%)
Male: 72 (42.9%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White168100%
Race
Population ↓
Percentage (of total)
White168100%

Berwick township Marital Status

Economics and Income Statistics

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%.

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$91,250$80,219
Households$69,861$78,988
Married Families--
Non Families--

$38,077

Average Income

$69,861

Median Household Income

0%

Poverty Rate

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)