Skip to main content
Population Review

What is the population of Jefferson County, WI?

Jefferson County in Wisconsin has a population of 85,867, per Census ACS 5-Year estimates. The median household income is $80,604 and the median age is 41.3.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Jefferson County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

Explore Further

Related Questions

Frequently Asked Questions

Jefferson County in Wisconsin has a population of 85,867, per Census ACS 5-Year estimates. The median household income is $80,604 and the median age is 41.3.