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Zip Code 78613 — Cedar Park, TX

78613 is a ZIP Code associated with Cedar Park, TX, located within Williamson. The postal region supports an estimated population of 89,956 residents across Data Pending housing units, with a population density of 1,254.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (30.506830, -97.819390)

Data Metric	Local Statistic
Postal / Zip Code	78613
Primary City	Cedar Park
State / Province	TX
County	Williamson
Total Population	89,956
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	1,254.2 people/sq mi
Timezone	America/Chicago

How 78613 Compares

Metric	ZIP 78613	Williamson County	TX State Average
Population	89,956	591,187	30,188,035
Median Income	Data Pending	N/A	N/A
Population Density	1,254.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 78717	Austin	4.1 mi	37,262	N/A
Zip 78729	Austin	5.1 mi	30,460	N/A
Zip 78726	Austin	5.6 mi	14,506	N/A
Zip 78681	Round Rock	6.2 mi	56,691	N/A
Zip 78750	Austin	6.3 mi	29,277	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →