McKinley County Flag

McKinley County

State:
New Mexico
County Seat:
Gallup

McKinley County's estimated 2026 population is 67,607 with a growth rate of -0.75% in the past year according to the most recent United States census data. McKinley County is the 9th largest county in New Mexico. The 2010 population was 71,673 and has seen a growth of -5.67% since that time.

67,607
Total Population
12
Population Density (mi²)
9
Population Rank (State)
-512 -0.75%
Annual Population Growth

McKinley County Population

Demographics

Economics and Income Statistics