The Census Designated Place of Onion Creek contains 0 unique zip code(s). Onion Creek covers 3.31 square miles and with a population of 2116 has a population density of 639.2 people per square mile.

Zipcodes within Onion Creek City Limits
Zipcodes within Onion Creek City Limits With Different Zip Code Name
Display Map of Zip Code  with Onion Creek City Limits78747 Austin, TX
2010 Population:14808
data sources:
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