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Georgetown, TX ZIP codes

Georgetown, Texas has 4 ZIP codes, including 1 PO Box ZIP. They are in Williamson County.

Population in these ZIPs
128,203
Avg. median income
$110,500population-weighted
Typical home value
$414,400population-weighted
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ZIP codes within 10 miles

Georgetown, TX ZIP codes list

Georgetown, TX ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
78626Williamson County48,072$100,431$343,600
78627 PO BoxWilliamson County———
78628Williamson County50,822$125,635$469,000
78633Williamson County29,309$100,936$435,900

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 Georgetown

Frequently asked questions

What is the ZIP code for Georgetown, TX?

Georgetown, TX has 4 ZIP codes: 78626, 78627, 78628 and 78633.

What county is Georgetown, Texas in?

Georgetown ZIP codes are in Williamson County.

Which Georgetown ZIP codes are PO Boxes?

78627 is a PO Box or single-organization ZIP code; it has no residential delivery area.