Dahlgren is a city located in Hamilton County Illinois. With a 2020 population of 500, it is the 905th largest city in Illinois and the 19141st largest city in the United States. Dahlgren is currently declining at a rate of -0.40% annually and its population has decreased by -28.47% since the most recent census, which recorded a population of 699 in 2020. Spanning over 1 miles, Dahlgren has a population density of 492 people per square mile.
The average household income in Dahlgren is $50,407 with a poverty rate of 17.67%. The median rental costs in recent years comes to $572 per month, and the median house value is $61,500. The median age in Dahlgren is 46.5 years, 48 years for males, and 44.2 years for females.
According to the most recent ACS, the racial composition of Dahlgrenwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among white people with a rate of 85.74%.
The highest rate of bachelors degrees is among white people with a rate of 14.26%.
100.00% of Dahlgren residents speak only English, while 0.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.00% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Dahlgren is White, with 17.67% below the poverty level.
The race least likely to be in poverty in Dahlgren is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 16.35%, and for those that did not work, the poverty rate was 17.77%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Dahlgren
99.43% of Dahlgren residents were born in the United States, with 83.98% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.