The 5 largest ethnic groups in Mercer, WI are White (Non-Hispanic) (96.8%), American Indian & Alaska Native (Non-Hispanic) (1.67%), White (Hispanic) (1.48%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Mercer, WI 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.
98.7% of the residents in Mercer, WI are U.S. citizens.
Most people in Mercer, WI drove alone to work, and the average commute time was 18.2 minutes. The average car ownership in Mercer, WI was 1 car per household.