the county seat of peoria county, illinois is located at peoria, illinois.
where is the county seat of peoria county, illinois?
peoria, illinois
west peoria township, peoria county, illinois









































west peoria township is located in peoria county, illinois. as of the 2010 census, its population was 4,458 and it contained 2,123 housing units. west peoria was the portion of peoria township that was left when the city of peoria township was formed in 1907. it has two parts: the northern, most of which also became the city of west peoria, illinois in 1993; and the southern, a triangle between bartonville, peoria, and the illinois river, and including part of bartonville.









































section::::geography.
west peoria township, peoria county, illinois
peoria county, illinois









































peoria county is a county in the u.s. state of illinois. the 2010 united states census listed its population at 186,494. its county seat is peoria.









































peoria county is part of the peoria, il metropolitan statistical area.









































section::::history.









































peoria county was formed in 1825 out of fulton county. it was named for the peoria, an illiniwek people who lived there. it included most of the western valley of the illinois river up to the chicago river portage.









































section::::geography.
peoria county, illinois