Sullivan City, Texas

Sullivan City population, 2020 to 2024

Sullivan City lost 10 residents from July 2020 to July 2024, a change of -0.3%. In the latest year it moved by -7.

Sullivan City covers 3.59 square miles of land, for 1,086 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Sullivan City is less dense than the typical town.

What county Sullivan City is in

All of Sullivan City's residents live in Hidalgo County, which had 914,820 residents in 2024. Sullivan City holds 0.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sullivan City

1 ZIP Code Tabulation Area (ZCTA) overlaps Sullivan City by at least 10% of the ZCTA's or the city's land: 78595. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sullivan City is

The Census internal point of Sullivan City is at 26.275200, -98.564400. Austin, the capital, is 280.8 miles N in a straight line. The nearest larger place is La Joya, TX (5,129 people), 5.6 miles away. The nearest city of 100,000 or more is McAllen, TX, 20.0 miles away.

Daylight in Sullivan City

At 26.28° N, Sullivan City gets about 13 h 47 min of daylight around the June solstice and 10 h 30 min around the December solstice, a swing of 3 h 18 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sullivan City

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is La Grulla, 5.2 miles away, with 1,237 people.