In 2023, Barnum, IA had a population of 279 people with a median age of 27.1 and a median household income of $83,580. Between 2022 and 2023 the population of Barnum, IA declined from 304 to 279, a −8.22% decrease and its median household income grew from $79,450 to $83,580, a 5.2% increase.
The 5 largest ethnic groups in Barnum, IA are White (Non-Hispanic) (94.3%), Two+ (Non-Hispanic) (5.38%), White (Hispanic) (0.358%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Barnum, IA 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 Barnum, IA are U.S. citizens.
In 2023, the median property value in Barnum, IA was $132,500, and the homeownership rate was 91.6%.
Most people in Barnum, IA drove alone to work, and the average commute time was 17.3 minutes. The average car ownership in Barnum, IA was 2 cars per household.