Missouri · FIPS 29111 · County seat: Monticello
Lewis County, MO GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Lewis County, MO: CAMAvision Maps for Lewis County. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Lewis County parcel map ↗
Opens maps.camavision.com in a new tab. We link out and never embed or copy parcel data.
Lewis County at a glance
| Official map | CAMAvision Maps for Lewis County |
|---|---|
| Type | County-run map |
| Website | maps.camavision.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Monticello |
| Population | 9,818 (2023 Census Bureau estimate) |
| Land area | 505 sq mi |
| FIPS code | 29111 |
About the official source
This map is published by or for Lewis County itself, so it reflects the local parcel layer rather than a third-party copy. As of our October 2026 test, anyone could open it without signing in or paying.
How to use the Lewis County viewer
- Open the official link; the map is hosted on CAMAvision Maps, a vendor platform used by 42 counties in our directory.
- Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
- Click a parcel to view its attributes.
- Use the layer or basemap controls to add aerials and other layers where the county provides them.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
About Lewis County
Lewis County had an estimated 9,818 residents in 2023, according to the Census Bureau. With about 505 square miles of land, that works out to roughly 19 people per square mile. That makes it number 86 out of 115 Missouri counties by population. Monticello serves as the county seat.
Neighboring counties
Lewis County shares a border with the counties below. Each link has its own official map:
Before you rely on the lines
Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.