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Round Top, TX ZIP codes

Round Top, Texas has 2 ZIP codes, including 1 PO Box ZIP. They are in Fayette County.

Population in these ZIPs
1,173
Avg. median income
$103,800population-weighted
Typical home value
$1,127,000population-weighted
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ZIP codes within 10 miles

Round Top, TX ZIP codes list

Round Top, TX ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
78954Fayette County1,173$103,750$1,127,000
78961 PO BoxFayette County———

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 Round Top

Frequently asked questions

What is the ZIP code for Round Top, TX?

Round Top, TX has 2 ZIP codes: 78954 and 78961.

What county is Round Top, Texas in?

Round Top ZIP codes are in Fayette County.

Which Round Top ZIP codes are PO Boxes?

78961 is a PO Box or single-organization ZIP code; it has no residential delivery area.