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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023


WILLIAMSON County, TX Covers 27 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 76527GeneralFlorence4,688Central254/512
ZIP Code 76530GeneralGranger2,654Central737/512
ZIP Code 76537GeneralJarrell10,943Central512/737
ZIP Code 76573P.O. BoxSchwertner26Central512/737
ZIP Code 76574GeneralTaylor19,366Central512/737
ZIP Code 76578GeneralThrall1,817Central737/512
ZIP Code 78613GeneralCedar Park89,279Central512
ZIP Code 78615GeneralCoupland1,694Central737/512
ZIP Code 78626GeneralGeorgetown39,935Central512/737
ZIP Code 78627P.O. BoxGeorgetown0Central512/737
ZIP Code 78628GeneralGeorgetown40,378Central512/737
ZIP Code 78630P.O. BoxCedar Park0Central512
ZIP Code 78633GeneralGeorgetown27,736Central737/512
ZIP Code 78634GeneralHutto37,951Central512/737
ZIP Code 78641GeneralLeander83,426Central512/737
ZIP Code 78642GeneralLiberty Hill20,385Central512/737
ZIP Code 78646P.O. BoxLeander0Central512
ZIP Code 78664GeneralRound Rock60,287Central512/737
ZIP Code 78665GeneralRound Rock61,577Central512/737
ZIP Code 78673P.O. BoxWalburg0Central512/737
ZIP Code 78674P.O. BoxWeir287Central512/737
ZIP Code 78680P.O. BoxRound Rock0Central512/737
ZIP Code 78681GeneralRound Rock57,503Central512
ZIP Code 78682UniqueRound Rock0Central512/737
ZIP Code 78683P.O. BoxRound Rock0Central512
ZIP Code 78717GeneralAustin36,987Central512
ZIP Code 78729GeneralAustin31,829Central512

Population:29,145,505 (More Details)
Male Population:14,394,682
Female Population:14,750,823
Median Age:36
ZIP Codes:27
Area Codes:0
Total Area:1,134 square miles (county)
Land Area:1,118 square miles (county)
Water Area:16 square miles (county)

WILLIAMSON, TX Demographic Information

* Demographic data is based on 2020 Census.

Total population of WILLIAMSON County, TX609,017
Male population of WILLIAMSON County, TX298,747
Female population of WILLIAMSON County, TX310,270
Median age (years)36.7
White Population373,264
Black Population40,732
Indian Population4,588
Asian Population54,628
Hawaiian Population735
Hispanic Population147,088
Median age (Male)35.9
Median age (Female)37.5
Total households224,506
Average household size for WILLIAMSON County, TX2.69
Average family size of WILLIAMSON County, TX2.75
Total housing units for WILLIAMSON County, TX237,680

WILLIAMSON County, TX Covers 16 Cities