McKinley County's 2026 population is estimated at 68,689, reflecting a -0.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). McKinley County is the 9th largest county in New Mexico. The 2010 population was 71,673 and has grown -4.16% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.6 years
Female: 35.9 years
Male: 33.7 years
There are 51,355 adults, (9,712 of whom are seniors) in McKinley County.
Female: 36,558 (51.9%)
Male: 33,873 (48.1%)
The racial composition of McKinley County includes 77.77% Native American, 9.77% White, 4.58% other race, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Native American | 54,775 | 77.77% |
| White | 6,884 | 9.77% |
| Two or more races | 4,153 | 5.9% |
| Other race | 3,223 | 4.58% |
| Asian | 982 | 1.39% |
| Black or African American | 326 | 0.46% |
| Native Hawaiian or Pacific Islander | 88 | 0.12% |
McKinley County 's average per capita income is $35,750. Household income levels show a median of $47,668. The poverty rate stands at 33.24%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $71,693 | $91,767 |
| Families | $52,208 | $67,711 |
| Households | $47,668 | $62,961 |
| Non Families | $22,476 | $42,164 |
Average Income
Median Household Income
Poverty Rate