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 Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Two or more races

White

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Two or more races	2,143	54.68%
White	994	25.36%
Other race	782	19.95%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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