Dahlgren

County:: Hamilton County
County Seat:: No
Area (mi²):: 1.017
State:: Illinois

Dahlgren is a village located in Hamilton County, Illinois. Dahlgren has a 2025 population of 498. Dahlgren is currently declining at a rate of -0.2% annually and its population has decreased by -0.99% since the most recent census, which recorded a population of 503 in 2020.

The average household income in Dahlgren is $50,686 with a poverty rate of 19.81%. The median age in Dahlgren is 37.3 years: 36.9 years for males, and 37.7 years for females.

Demographics

The racial composition of Dahlgren includes 98.1% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	619	98.1%
Asian	12	1.9%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Dahlgren Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Dahlgren's average per capita income is $38,125. Household income levels show a median of $47,500. The poverty rate stands at 19.81%.

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	$58,594	-
Families	$53,125	$56,246
Households	$47,500	$50,686
Non Families	$33,750	$38,832

$38,125

Average Income

$47,500

Median Household Income

19.81%

Poverty Rate