Sullivan City

County:: Hidalgo County
County Seat:: No
Area (mi²):: 3.589
State:: Texas

Sullivan City is a city located in Hidalgo County, Texas. Sullivan City has a 2025 population of 3,892. Sullivan City is currently declining at a rate of -0.08% annually and its population has decreased by -0.43% since the most recent census, which recorded a population of 3,909 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.

Demographics

The racial composition of Sullivan City includes 25.36% White, 19.95% other race, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Two or more races	2,143	54.68%
White	994	25.36%
Other race	782	19.95%

Sullivan City Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$58,917	-
Families	$51,250	$58,375
Households	$44,286	$51,672
Non Families	$15,435	$16,056

$25,701

Average Income

$44,286

Median Household Income

29.85%

Poverty Rate