In 2020, Mercer County, MO had a population of 3.62k people with a median age of 42.7 and a median household income of $50,030. Between 2019 and 2020 the population of Mercer County, MO declined from 3,644 to 3,623, a −0.576% decrease and its median household income grew from $47,298 to $50,030, a 5.78% increase.
The 5 largest ethnic groups in Mercer County, MO are White (Non-Hispanic) (93.9%), Two+ (Non-Hispanic) (2.62%), White (Hispanic) (1.82%), Asian (Non-Hispanic) (0.524%), and Two+ (Hispanic) (0.524%).
None of the households in Mercer County, 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.
98.8% of the residents in Mercer County, MO are U.S. citizens.
In 2020, the median property value in Mercer County, MO was $85,300, and the homeownership rate was 78.7%.
Most people in Mercer County, MO drove alone to work, and the average commute time was 24.9 minutes. The average car ownership in Mercer County, MO was 3 cars per household.