Skip to main content
Population Review

What is the population of Peoria County, IL?

Peoria County in Illinois has a population of 179,831, per Census ACS 5-Year estimates. The median household income is $64,938 and the median age is 38.1.

Context

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

Explore Further

Related Questions

Frequently Asked Questions

Peoria County in Illinois has a population of 179,831, per Census ACS 5-Year estimates. The median household income is $64,938 and the median age is 38.1.