County · code 35031
McKinley CountyNew Mexico
McKinley County is a county in New Mexico with its seat in Gallup, formed in 1901.
- Founded1901
- County seatGallup
- Named forWilliam McKinley
- Land area5,451 sq mi + 4.9 sq mi water
- Population72,902 2020 Census
Where it is
McKinley on the map of New Mexico
New Mexico has 33 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Founded in 1901
An old deed may name a county that no longer exists, or a boundary that has since moved.
McKinley County was created by New Mexico Territory from Bernalillo County on January 1, 1901, following an act passed on February 23, 1899. The county was named after William McKinley. Shortly after its creation, McKinley County gained territory from Bernalillo, San Juan, and Valencia counties on March 18, 1901.
- 1901McKinley County created McKinley created by New Mexico Territory from Bernalillo. Act passed 23 February 1899; took effect 1 January 1901. · N.M. Terr. Laws 1899, 33d assy., ch. 19/pp. 43-45
- 1901Gained territory McKinley gained from Bernalillo, San Juan, and Valencia. · N.M. Terr. Laws 1901, 34th assy., ch. 39/pp. 75-79
Land and parcels
What the maps cover in McKinley
Who publishes each layer, how good it is, and when we last checked.
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Parcels Missing
No public parcel map found for McKinley County yet. Lot lines and owners of record are kept by the assessor's office.
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Address points Missing
No public address points layer found for McKinley County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
McKinley by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Records
- Assessor and property records
- Clerk of court: deeds and plats
County Clerk's Office
Permits
Zoning and code
County government
- County government
The official website of McKinley County.
See your own lot on these maps
Open McKinley County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about McKinley County
- When was McKinley County founded?
- McKinley County was founded in 1901, and named after William McKinley.
- What is the county seat of McKinley County?
- The county seat of McKinley County is Gallup.
- Is there an online parcel map for McKinley County?
- Not that we have found yet. Lot lines and owners of record are kept by the assessor's office. When a public parcel map appears, it shows here.
- Has McKinley County's boundary or name changed?
- McKinley County was created in 1901. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Bernalillo County, San Juan County and Valencia County.
- Who issues building permits in McKinley County?
- The county's page on building permits: Fireworks Permit (PDF). Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for McKinley County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby