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ZIP code 77470

Rock Island, TX · Colorado County

About ZIP code 77470

  • ZIP code 77470 is in Rock Island, Colorado County, Texas.
  • About 414 people live in it, which is 5.6 people per square mile.
  • Time zone: Central Standard Time.
  • The middle of the ZIP code is at 29.528, -96.553.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Rock Island, TX

ZIP code 77470 is the post office name for Rock Island, TX. 414 people live in Rock Island. Typical household income is $43,149. A typical home costs $122,800.

  • Stronger than most towns on: State taxes and Housing affordability.
  • Weaker than most towns on: Short commute, Walkability and Home internet and working from home.

See all figures for Rock Island

Other ZIP codes in Rock Island

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ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.