Dahlgren township Flag

Dahlgren township

County:
Hamilton County
County Seat:
No
Area (mi²):
54.295
State:
Illinois

Dahlgren township is located in Hamilton County, Illinois. Dahlgren township has a 2026 population of 1,094. Dahlgren township is currently declining at a rate of -1.08% annually and its population has decreased by -4.62% since the most recent census, which recorded a population of 1,147 in 2020.

The median household income in Dahlgren township is $66,641 with a poverty rate of 9.42%. The median age in Dahlgren township is 35.8 years: 36 years for males, and 31.9 years for females. For every 100 females there are 86.6 males.

1.1K
Total Population
20
Density (mi²)
-12 -1.08%
Growth

Dahlgren township Population

Dahlgren township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,094-12-1.08%
20251,106-12-1.07%
20241,118-12-1.06%
20231,130-12-1.05%
20221,142100.88%
20211,132-15-1.31%
20201,14710.09%
20191,168-2-0.17%
20181,170-8-0.68%
20171,178-1-0.08%
20161,179-9-0.76%
20151,188-10-0.83%
20141,198-6-0.5%
20131,204-6-0.5%
20121,210-6-0.49%
20111,216-4-0.33%
20101,219-2-0.16%

Median Age

Overall: 35.8 years
Female: 31.9 years
Male: 36 years

Dahlgren township Adults

There are 982 adults, (278 of whom are seniors) in Dahlgren township.

Sex Ratio

Female: 745 (53.6%)
Male: 645 (46.4%)

Demographics

The racial composition of Dahlgren township includes 99.5% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,38399.5%
Asian70.5%
Race
Population ↓
Percentage (of total)
White1,38399.5%
Asian70.5%

Dahlgren township Marital Status

Economics and Income Statistics

Dahlgren township 's average per capita income is $48,810. Household income levels show a median of $66,641. The poverty rate stands at 9.42%.

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
Married Families$74,583-
Households$66,641$70,204
Families$65,996$75,050
Non Families$32,212$40,788

$48,810

Average Income

$66,641

Median Household Income

9.42%

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)