Dimmitt is a city located in Castro County, Texas. Dimmitt has a 2025 population of 4,118 . It is also the county seat of Castro County . Dimmitt is currently declining at a rate of -0.02% annually and its population has decreased by -0.1% since the most recent census, which recorded a population of 4,122 in 2020.
The average household income in Dimmitt is $73,895 with a poverty rate of 14.37%. The median age in Dimmitt is 27.8 years: 26.9 years for males, and 28.8 years for females. For every 100 females there are 98.9 males.
Data after 2023 is projected based on recent change
The racial composition of Dimmitt includes 51.56% White, 10.77% other race, and smaller percentages for Asian, Native American, Black or African American and multiracial populations.
White (51.56%)
Two or more races (35.58%)
Other race (10.77%)
Asian (1.09%)
Native American (0.75%)
Black or African American (0.27%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,136 | 51.56% |
| Two or more races | 1,474 | 35.58% |
| Other race | 446 | 10.77% |
| Asian | 45 | 1.09% |
| Native American | 31 | 0.75% |
| Black or African American | 11 | 0.27% |
Married
Widowed
Divorced
Separated
Never Married
Dimmitt's average per capita income is $36,817. Household income levels show a median of $66,250. The poverty rate stands at 14.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,972 | - |
| Families | $69,833 | $80,399 |
| Households | $66,250 | $73,895 |
| Non Families | $55,611 | $49,776 |
Average Income
Median Household Income
Poverty Rate