Dahlgren Flag

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 2026 population of 488. Dahlgren is currently declining at a rate of -0.41% annually and its population has decreased by -2.98% since the most recent census, which recorded a population of 503 in 2020.

The median household income in Dahlgren is $44,861 with a poverty rate of 22.02%. The median age in Dahlgren is 25.1 years: 25.2 years for males, and 24.9 years for females. For every 100 females there are 89.5 males.

488
Total Population
480
Density (mi²)
-2 -0.41%
Growth

Dahlgren Population

Dahlgren Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026488-2-0.41%
2025490-3-0.61%
2024493-4-0.8%
2023497-5-1%
202250240.8%
2021498-5-0.99%
202050300%
2019505-1-0.2%
2018506-4-0.78%
201751000%
2016510-3-0.58%
2015513-3-0.58%
2014516-4-0.77%
201352000%
2012520-3-0.57%
2011523-2-0.38%
2010524-1-0.19%

Median Age

Overall: 25.1 years
Female: 24.9 years
Male: 25.2 years

Dahlgren Adults

There are 359 adults, (85 of whom are seniors) in Dahlgren.

Sex Ratio

Female: 314 (52.8%)
Male: 281 (47.2%)

Demographics

The racial composition of Dahlgren includes 98.82% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White58898.82%
Asian71.18%
Race
Population ↓
Percentage (of total)
White58898.82%
Asian71.18%

Dahlgren Marital Status

Economics and Income Statistics

Dahlgren 's average per capita income is $43,558. Household income levels show a median of $44,861. The poverty rate stands at 22.02%.

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$71,667-
Families$61,250$55,451
Households$44,861$50,589
Non Families$40,833$41,677

$43,558

Average Income

$44,861

Median Household Income

22.02%

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)