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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

WILLIAMSON County, TX ZIP Codes

WILLIAMSON County, TX Covers 27 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 76527	General	Florence	4,688	Central	254/512
ZIP Code 76530	General	Granger	2,654	Central	737/512
ZIP Code 76537	General	Jarrell	10,943	Central	512/737
ZIP Code 76573	P.O. Box	Schwertner	26	Central	512/737
ZIP Code 76574	General	Taylor	19,366	Central	512/737
ZIP Code 76578	General	Thrall	1,817	Central	737/512
ZIP Code 78613	General	Cedar Park	89,279	Central	512
ZIP Code 78615	General	Coupland	1,694	Central	737/512
ZIP Code 78626	General	Georgetown	39,935	Central	512/737
ZIP Code 78627	P.O. Box	Georgetown	0	Central	512/737
ZIP Code 78628	General	Georgetown	40,378	Central	512/737
ZIP Code 78630	P.O. Box	Cedar Park	0	Central	512
ZIP Code 78633	General	Georgetown	27,736	Central	737/512
ZIP Code 78634	General	Hutto	37,951	Central	512/737
ZIP Code 78641	General	Leander	83,426	Central	512/737
ZIP Code 78642	General	Liberty Hill	20,385	Central	512/737
ZIP Code 78646	P.O. Box	Leander	0	Central	512
ZIP Code 78664	General	Round Rock	60,287	Central	512/737
ZIP Code 78665	General	Round Rock	61,577	Central	512/737
ZIP Code 78673	P.O. Box	Walburg	0	Central	512/737
ZIP Code 78674	P.O. Box	Weir	287	Central	512/737
ZIP Code 78680	P.O. Box	Round Rock	0	Central	512/737
ZIP Code 78681	General	Round Rock	57,503	Central	512
ZIP Code 78682	Unique	Round Rock	0	Central	512/737
ZIP Code 78683	P.O. Box	Round Rock	0	Central	512
ZIP Code 78717	General	Austin	36,987	Central	512
ZIP Code 78729	General	Austin	31,829	Central	512

Timezone(s):	Central

Population:	29,145,505 (More Details)
Male Population:	14,394,682
Female Population:	14,750,823
Median Age:	36

ZIP Codes:	27
Cities:	16
Counties:	1
Area Codes:	0

Total Area:	1,134 square miles (county)
Land Area:	1,118 square miles (county)
Water Area:	16 square miles (county)

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WILLIAMSON, TX Demographic Information

* Demographic data is based on 2020 Census.

Total population of WILLIAMSON County, TX	609,017
Male population of WILLIAMSON County, TX	298,747
Female population of WILLIAMSON County, TX	310,270
Median age (years)	36.7
White Population	373,264
Black Population	40,732
Indian Population	4,588
Asian Population	54,628
Hawaiian Population	735
Hispanic Population	147,088
Median age (Male)	35.9
Median age (Female)	37.5
Total households	224,506
Average household size for WILLIAMSON County, TX	2.69
Average family size of WILLIAMSON County, TX	2.75
Total housing units for WILLIAMSON County, TX	237,680

WILLIAMSON County, TX Covers 16 Cities