Grant County's 2026 population is estimated at 27,599, reflecting a 0.11% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Grant County is the 15th largest county in New Mexico. The 2010 population was 29,386 and has grown -6.08% since 2010.
Data after 2023 is projected based on recent change
Overall: 49.5 years
Female: 51.2 years
Male: 47.9 years
There are 22,801 adults, (8,419 of whom are seniors) in Grant County.
Female: 13,772 (49.6%)
Male: 14,003 (50.4%)
The racial composition of Grant County includes 62.23% White, 7.56% other race, and smaller percentages for Native American, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,283 | 62.23% |
| Two or more races | 7,429 | 26.75% |
| Other race | 2,101 | 7.56% |
| Native American | 491 | 1.77% |
| Asian | 250 | 0.9% |
| Black or African American | 221 | 0.8% |
Grant County 's average per capita income is $32,076. Household income levels show a median of $44,958. The poverty rate stands at 19.5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $75,495 | - |
| Families | $64,873 | $88,064 |
| Households | $44,958 | $69,954 |
| Non Families | $33,617 | $49,235 |
Average Income
Median Household Income
Poverty Rate