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Sour Lake, TX ZIP code

The ZIP code for Sour Lake, Texas is 77659. It is in Hardin County.

Population in these ZIPs
5,650
Avg. median income
$110,600population-weighted
Typical home value
$268,600population-weighted
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ZIP codes within 10 miles

Sour Lake, TX ZIP code list

Sour Lake, TX ZIP codes
ZIP codePopulationMedian incomeTypical home value
776595,650$110,590$268,600

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

Cities near Sour Lake

Frequently asked questions

What is the ZIP code for Sour Lake, TX?

The ZIP code for Sour Lake, TX is 77659.

What county is Sour Lake, Texas in?

Sour Lake ZIP codes are in Hardin County.