Sullivan City is a city located in Hidalgo County, Texas, United States. According to the 2020 U.S. Census, the estimated population of Sullivan City was 4,411.

Demographically, Sullivan City is a predominantly Hispanic community, with a small percentage of white and African American residents. According to the U.S. Census Bureau, the racial makeup of Sullivan City in 2020 was approximately 97.9% Hispanic or Latino, 1.2% white, and 0.3% African American.

Sullivan City is home to several parks and recreational areas, including the Lion’s Park, which features a playground, a basketball court, and picnic areas. The city is also home to several restaurants and shops.

In terms of school ratings, Sullivan City is served by the La Joya Independent School District, which includes several elementary, middle, and high schools in the area. According to GreatSchools, some of the highest-rated schools in the area include the Dr. Americo Paredes Elementary School and the Lorenzo de Zavala Middle School.

As for real estate, according to Zillow, the median home value in Sullivan City is $62,407 as of 2022. The property tax rate in Hidalgo County is 1.80%, which includes both the county and city property tax rates.

The Sullivan City City Hall phone number is (956) 485-2828.