Missouri · FIPS 29161 · County seat: Rolla
Phelps County, MO GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Phelps County, MO: the Phelps County IntegrityGIS map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Phelps County parcel map ↗
Opens phelpsgis.integritygis.com in a new tab. We link out and never embed or copy parcel data.
Phelps County at a glance
| Official map | Phelps County IntegrityGIS map |
|---|---|
| Type | County-run map |
| Website | phelpsgis.integritygis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Rolla |
| Population | 45,284 (2023 Census Bureau estimate) |
| Land area | 672 sq mi |
| FIPS code | 29161 |
Who runs this map
It is a county-level map: Phelps County or the company it hires keeps the parcel layer up to date. As of our October 2026 test, anyone could open it without signing in or paying.
How to use the Phelps County viewer
- 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.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
The U.S. Census Bureau estimated Phelps County's population at 45,284 in 2023, spread over about 672 square miles of land, or roughly 67 people per square mile. Among Missouri's 115 counties, it is the 23rd largest by population. Its county seat is Rolla.
Nearby parcel maps
Parcels close to the edge of Phelps County can fall in the next county over. Neighboring counties:
Before you rely on the lines
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.