In 2021, Arnold, MO had a population of 20.8k people with a median age of 42.2 and a median household income of $63,755. Between 2020 and 2021 the population of Arnold, MO declined from 21,144 to 20,808, a −1.59% decrease and its median household income declined from $64,678 to $63,755, a −1.43% decrease.
The 5 largest ethnic groups in Arnold, MO are White (Non-Hispanic) (90.4%), Two+ (Non-Hispanic) (5.96%), White (Hispanic) (1.86%), Asian (Non-Hispanic) (0.606%), and Two+ (Hispanic) (0.433%).
None of the households in Arnold, MO 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.
97.9% of the residents in Arnold, MO are U.S. citizens.
The largest universities in N/A are ITT Technical Institute-Arnold (101 degrees awarded in 2015).
In 2021, the median property value in Arnold, MO was $168,400, and the homeownership rate was 73.4%.
Most people in Arnold, MO drove alone to work, and the average commute time was 29.1 minutes. The average car ownership in Arnold, MO was 2 cars per household.
