Missouri · FIPS 29063 · County seat: Maysville
DeKalb County, MO GIS & Parcel Viewer
Here is the direct link to the county parcel map covering DeKalb County, MO: the DeKalb County IntegrityGIS map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the DeKalb County parcel map ↗
Opens dekalbgis.integritygis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | DeKalb County IntegrityGIS map |
|---|---|
| Type | County-run map |
| Website | dekalbgis.integritygis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Maysville |
| Population | 9,899 (2023 Census Bureau estimate) |
| Land area | 421 sq mi |
| FIPS code | 29063 |
About the official source
DeKalb County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. As of our October 2026 test, anyone could open it without signing in or paying.
Searching for a parcel, step by step
- Press the button above to load the county's IntegrityGIS viewer in a new tab.
- When the disclaimer window appears, click Accept to start using the map.
- Type an address, owner or parcel number into the Search box at the top right, or open the Search tab for more options.
- Click a parcel (or use the Identify tool) to open its details, and use Layer List or Basemaps to change what the map shows.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
The county in brief
The U.S. Census Bureau estimated DeKalb County's population at 9,899 in 2023, spread over about 421 square miles of land, or roughly 24 people per square mile. By population it ranks 85th of 115 counties in Missouri. The county seat is Maysville.
Counties next to DeKalb County
DeKalb County shares a border with the counties below. Each link has its own official map:
- Andrew County
- Buchanan County
- Caldwell County (state list)
- Clinton County
- Daviess County (state list)
- Gentry County (state list)
A note on accuracy
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.