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ZIP code 80305

Boulder, CO · Boulder County

About ZIP code 80305

  • ZIP code 80305 is in Boulder, Boulder County, Colorado.
  • About 16,291 people live in it, which is 1,080.7 people per square mile.
  • Time zone: Mountain Standard Time.
  • The middle of the ZIP code is at 39.977, -105.249.

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.

Boulder, CO

ZIP code 80305 is the post office name for Boulder, CO. 106,433 people live in Boulder. Typical household income is $87,493. A typical home costs $1,039,500.

  • Stronger than most towns on: Walkability, Public transit and Home internet and working from home.
  • Weaker than most towns on: Housing affordability, Space and yard size and Cost of living.

See all figures for Boulder

Other ZIP codes in Boulder

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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.