In 2021, Arco, ID had a population of 742 people with a median age of 37.3 and a median household income of $25,417. Between 2020 and 2021 the population of Arco, ID declined from 758 to 742, a −2.11% decrease and its median household income grew from $21,667 to $25,417, a 17.3% increase.
The 5 largest ethnic groups in Arco, ID are White (Non-Hispanic) (90.4%), Two+ (Non-Hispanic) (7.14%), White (Hispanic) (1.48%), Other (Hispanic) (0.943%), and Black or African American (Non-Hispanic) (0%).
None of the households in Arco, 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.
98.4% of the residents in Arco, ID are U.S. citizens.
In 2021, the median property value in Arco, ID was $120,800, and the homeownership rate was 67.3%.
Most people in Arco, ID drove alone to work, and the average commute time was 20 minutes. The average car ownership in Arco, ID was 3 cars per household.