Illinois County Maps

Find Illinois county and township maps.

LaSalle County, Illinois

Find your Illinois County by searching for your address, or by clicking on the map.

LaSalle County, Illinois Map

Loading map…

An detailed map of LaSalle County. Click on a nearby County to view more information about that County.

Locate my Illinois county

Map of Townships in LaSalle County, Illinois

Loading map…

An interactive map of county subdivisions in LaSalle County. In Illinois, that can include Townships, Precincts, and Villages. Find what township you are in now.

Locate my Illinois township

Map of Counties in Illinois

Loading map…

An interactive map of Counties in Illinois. Click on a County to view more information about that County.

About LaSalle County, Illinois

LaSalle County is located within the Fox Valley and Illinois River Valley regions of the U.S. state of Illinois. As of the 2020 Census, it had a population of 109,658. Its county seat and largest city is Ottawa. LaSalle County is part of the Ottawa, IL Micropolitan Statistical Area of Northern Illinois.

View on Wikipedia

What is this?

This site has an interactive map of Illinois Counties. Click on the map to find your Illinois county, and view more details. You can also search for your address and use your GPS to find your Illinois County.

Find what County you are in, and see official Illinois County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.