New Mexico · FIPS 35031 · County seat: Gallup
McKinley County, NM GIS & Parcel Viewer
McKinley County, New Mexico parcel data lives on NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer). Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the McKinley County statewide map ↗
Opens arcgis.com in a new tab. We link out and never embed or copy parcel data.
McKinley County at a glance
| Official map | NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer) |
|---|---|
| Type | Statewide map (covers all of New Mexico) |
| Website | arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Gallup |
| Population | 68,797 (2023 Census Bureau estimate) |
| Land area | 5,451 sq mi |
| FIPS code | 35031 |
Who runs this map
The link goes to a statewide map (NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer)). It shows parcels for McKinley County along with the rest of New Mexico. Statewide parcel layers are usually stitched together from county files, so the newest splits or sales may show up on the county's own records first. When we tested the link in October 2026 it opened with no login and no fee.
Searching for a parcel, step by step
- Open NM Office of the State Engineer County Parcels 2025 layer (ArcGIS Map Viewer) in a new tab and zoom to McKinley County (around Gallup).
- Type a street address into the search box, or click directly on a parcel.
- Review the parcel attributes; field names vary by state.
- Confirm anything important with the county assessor, since the statewide layer is a compiled copy.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
The county in brief
Census Bureau figures put McKinley County at about 68,797 people (2023 estimate) on roughly 5,451 square miles of land, which is about 13 residents per square mile. Among New Mexico's 33 counties, it is the 9th largest by population. Its county seat is Gallup.
Counties next to McKinley County
Parcels close to the edge of McKinley County can fall in the next county over. Neighboring counties:
Maps vs. surveys
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.