In 2023, Dahlgren, IL had a population of 631 people with a median age of 37.3 and a median household income of $47,500. Between 2022 and 2023 the population of Dahlgren, IL declined from 641 to 631, a −1.56% decrease and its median household income grew from $45,000 to $47,500, a 5.56% increase.
The 5 largest ethnic groups in Dahlgren, IL are White (Non-Hispanic) (98.1%), Asian (Non-Hispanic) (1.9%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Dahlgren, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in Dahlgren, IL are U.S. citizens.
In 2023, the median property value in Dahlgren, IL was $68,800, and the homeownership rate was 80.5%.
Most people in Dahlgren, IL drove alone to work, and the average commute time was 23.6 minutes. The average car ownership in Dahlgren, IL was 4 cars per household.