In 2023, Underwood, IA had a population of 977 people with a median age of 29.5 and a median household income of $90,556. Between 2022 and 2023 the population of Underwood, IA declined from 983 to 977, a −0.61% decrease and its median household income declined from $92,188 to $90,556, a −1.77% decrease.
The 5 largest ethnic groups in Underwood, IA are White (Non-Hispanic) (89.6%), White (Hispanic) (5.12%), Two+ (Hispanic) (2.15%), Two+ (Non-Hispanic) (1.64%), and Asian (Non-Hispanic) (1.02%).
None of the households in Underwood, 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.
98.7% of the residents in Underwood, IA are U.S. citizens.
In 2023, the median property value in Underwood, IA was $227,400, and the homeownership rate was 80.7%.
Most people in Underwood, IA drove alone to work, and the average commute time was 25.1 minutes. The average car ownership in Underwood, IA was 2 cars per household.