In N/A, Mercer County, MO had a population of N/A people with a median age of N/A and a median household income of $60,357. Between N/A and N/A the population of Mercer County, MO N/A from N/A to N/A, a N/A% N/A 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%), Other (Hispanic) (2.23%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (1.43%), White (Hispanic) (1.26%), and Asian (Non-Hispanic) (1.03%).
N/A 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.
Mercer County, MO borders Decatur County, IA, Wayne County, IA, Grundy County, MO, Harrison County, MO, Putnam County, MO, and Sullivan County, MO.