The total population of Mountainair is estimated to be 1,071 with 656 males (61.25%) and 415 females (38.75%). There are 241 less females than males in Mountainair.
In 2022, the population of Mountainair was 899, a 0.78% increase year-by-year from 2021. Previously, in 2021, Mountainair's population was 892, an increase of 1.71% compared to a population of 877 in 2020.
The median age in Mountainair, NM is 34.1, as per 2021 ACS 5-Year Estimates. Of the total population, 17.15% were under the age of 15, 30.04% aged 15 to 29, 30.14% aged 30 to 64, 22.67% aged 65 to 84, and 0.00% were 85 years of age and older.
Racial distribution of Mountainair population: 57.75% are White, 19.67% are Black or African American, 2.42% are Asian, 6.49% are some other race and 13.66% are multiracial.