In 2023, Mercer County, MO had a population of 3.5k people with a median age of 40.8 and a median household income of $60,357. Between 2022 and 2023 the population of Mercer County, MO declined from 3,517 to 3,501, a −0.455% decrease and its median household income grew from $55,592 to $60,357, a 8.57% increase.
The 5 largest ethnic groups in Mercer County, MO are White (Non-Hispanic) (91.5%), Two+ (Non-Hispanic) (2.4%), Other (Hispanic) (2.23%), White (Hispanic) (1.26%), and Asian (Non-Hispanic) (1.03%).
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.
97.8% of the residents in Mercer County, MO are U.S. citizens.
In 2023, the median property value in Mercer County, MO was $95,300, and the homeownership rate was 79.1%.
Most people in Mercer County, MO drove alone to work, and the average commute time was 24.3 minutes. The average car ownership in Mercer County, MO was 3 cars per household.
Mercer County, MO borders Decatur County, IA, Wayne County, IA, Grundy County, MO, Harrison County, MO, Putnam County, MO, and Sullivan County, MO.