In 2020, Declo, ID had a population of 471 people with a median age of 35.9 and a median household income of $45,714. Between 2019 and 2020 the population of Declo, ID declined from 526 to 471, a −10.5% decrease and its median household income declined from $55,458 to $45,714, a −17.6% decrease.
The 5 largest ethnic groups in Declo, ID are White (Non-Hispanic) (67.7%), Two+ (Hispanic) (18.5%), White (Hispanic) (9.13%), Asian (Non-Hispanic) (3.4%), and Black or African American (Non-Hispanic) (0.637%).
None of the households in Declo, ID 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.
91.5% of the residents in Declo, ID are U.S. citizens.
In 2020, the median property value in Declo, ID was $114,300, and the homeownership rate was 50%.
Most people in Declo, ID drove alone to work, and the average commute time was 14.6 minutes. The average car ownership in Declo, ID was 3 cars per household.