Dimmit County's 2026 population is estimated at 7,985, reflecting a -1.21% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Dimmit County is the 177th largest county in Texas. The 2010 population was 10,043 and has grown -20.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.7 years
Female: 37.5 years
Male: 34.8 years
There are 6,202 adults, (1,358 of whom are seniors) in Dimmit County.
Female: 3,896 (46.5%)
Male: 4,484 (53.5%)
The racial composition of Dimmit County includes 14.36% White, 9.16% other race, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| Two or more races | 6,035 | 72.02% |
| White | 1,203 | 14.36% |
| Other race | 768 | 9.16% |
| Native American | 234 | 2.79% |
| Black or African American | 94 | 1.12% |
| Asian | 46 | 0.55% |
Dimmit County 's average per capita income is $42,989. Household income levels show a median of $38,808. The poverty rate stands at 41.11%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $103,583 | - |
| Families | $47,917 | $72,859 |
| Households | $38,808 | $61,738 |
| Non Families | $12,619 | $29,258 |
Average Income
Median Household Income
Poverty Rate