In 2022, Dahlgren, IL had a population of 641 people with a median age of 32.3 and a median household income of $45,000. Between 2021 and 2022 the population of Dahlgren, IL declined from 684 to 641, a −6.29% decrease and its median household income grew from $41,731 to $45,000, a 7.83% increase.
The 5 largest ethnic groups in Dahlgren, IL are White (Non-Hispanic) (98.6%), Asian (Non-Hispanic) (1.4%), 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 2022, the median property value in Dahlgren, IL was $62,800, and the homeownership rate was 75.9%.
Most people in Dahlgren, IL drove alone to work, and the average commute time was 30 minutes. The average car ownership in Dahlgren, IL was 3 cars per household.