Find Iowa county and township maps.
Lyon County, Iowa
Find your Iowa County by searching for your address, or by clicking on the map.
Lyon County, Iowa Map
An detailed map of Lyon County. Click on a nearby County to view more information about that County.
Map of Townships in Lyon County, Iowa
An interactive map of county subdivisions in Lyon County. In Iowa, that can include Townships and UTs. Find what township you are in now.
Map of Counties in Iowa
An interactive map of Counties in Iowa. Click on a County to view more information about that County.
About Lyon County, Iowa
Lyon County is the most northwesterly county of the U.S. state of Iowa. As of the 2020 census, the population was 11,934. The county seat is Rock Rapids.
What is this?
This site has an interactive map of Iowa Counties. Click on the map to find your Iowa county, and view more details. You can also search for your address and use your GPS to find your Iowa County.
Find what County you are in, and see official Iowa 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.