Sullivan City is a city located in Hidalgo County, Texas. Sullivan City has a 2025 population of 3,897 . Sullivan City is currently declining at a rate of -0.08% annually and its population has decreased by -0.33% since the most recent census, which recorded a population of 3,910 in 2020.
The average household income in Sullivan City is $51,672 with a poverty rate of 29.85%. The median age in Sullivan City is 36.1 years: 36.4 years for males, and 33.7 years for females. For every 100 females there are 106.4 males.
Data after 2023 is projected based on recent change
The racial composition of Sullivan City includes 25.36% White, 19.95% other race, and smaller percentages for and multiracial populations.
Two or more races (54.68%)
White (25.36%)
Other race (19.95%)
Race | Population | Percentage (of total) |
|---|---|---|
| Two or more races | 2,143 | 54.68% |
| White | 994 | 25.36% |
| Other race | 782 | 19.95% |
Married
Widowed
Divorced
Separated
Never Married
Sullivan City's average per capita income is $25,701. Household income levels show a median of $44,286. The poverty rate stands at 29.85%.
Name | Median | Mean |
|---|---|---|
| Married Families | $58,917 | - |
| Families | $51,250 | $58,375 |
| Households | $44,286 | $51,672 |
| Non Families | $15,435 | $16,056 |
Average Income
Median Household Income
Poverty Rate