Missouri · FIPS 29005 · County seat: Rock Port
Atchison County, MO GIS & Parcel Viewer
Looking for lot lines or a parcel number in Atchison County, MO? The quickest route is the Atchison County IntegrityGIS map, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Atchison County parcel map ↗
Opens atchisongis.integritygis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Atchison County IntegrityGIS map |
|---|---|
| Type | County-run map |
| Website | atchisongis.integritygis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Rock Port |
| Population | 5,107 (2023 Census Bureau estimate) |
| Land area | 547 sq mi |
| FIPS code | 29005 |
Who runs this map
It is a county-level map: Atchison County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Atchison County viewer
- Click the button to open the IntegrityGIS map for Atchison County.
- When the disclaimer window appears, click Accept to start using the map.
- Find the property with the top-right search bar (addresses and parcel IDs work best), or pan and zoom by hand.
- With Identify turned on, click any parcel to read its attributes; switch on aerial photos from Basemaps if you want imagery underneath.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
Atchison County by the numbers
The U.S. Census Bureau estimated Atchison County's population at 5,107 in 2023, spread over about 547 square miles of land, or roughly 9.3 people per square mile. Among Missouri's 115 counties, it is the 108th largest by population. Its county seat is Rock Port.
Counties next to Atchison County
Atchison County shares a border with the counties below. Each link has its own official map:
- Holt County
- Nodaway County (state list)
- Fremont County, IA
- Nemaha County, NE
- Otoe County, NE
- Page County, IA
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.