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Sullivan City, TX ZIP code

The ZIP code for Sullivan City, Texas is 78595. It is in Hidalgo County.

Population in these ZIPs
6,118
Avg. median income
$58,800population-weighted
Typical home value
$122,000population-weighted
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ZIP codes within 10 miles

Sullivan City, TX ZIP code list

Sullivan City, TX ZIP codes
ZIP codePopulationMedian incomeTypical home value
785956,118$58,846$122,000

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

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Frequently asked questions

What is the ZIP code for Sullivan City, TX?

The ZIP code for Sullivan City, TX is 78595.

What county is Sullivan City, Texas in?

Sullivan City ZIP codes are in Hidalgo County.