McKinley County, county in New Mexico, United States. As of 2020 county had an estimated population of 70,824 inhabitants. The county was created 121 years ago in 1901. Its county seat is "Gallup".
There are 1 city/town in McKinley County, NM. The largest city of McKinley County is Black Rock with a population of 1,323.
Cities, Towns, Neighborhoods & Other Populated Places in McKinley County.
|Black Rock||Census-designated place in McKinley County, New Mexico, US||McKinley||1,323|