In 2023, Mill Spring, MO had a population of 115 people with a median age of 53.2 and a median household income of $22,411. Between 2022 and 2023 the population of Mill Spring, MO grew from 109 to 115, a 5.5% increase and its median household income declined from $29,250 to $22,411, a −23.4% decrease.
The 5 largest ethnic groups in Mill Spring, MO are White (Non-Hispanic) (87.8%), Two+ (Non-Hispanic) (12.2%), White (Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Mill Spring, 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.
100% of the residents in Mill Spring, MO are U.S. citizens.
Most people in Mill Spring, MO drove alone to work, and the average commute time was 26.6 minutes. The average car ownership in Mill Spring, MO was 1 car per household.