ZIP Code 80305
Boulder, Colorado
ZIP Code Information
ZIP code 80305 identifies a postal delivery area inside Boulder, Colorado. The ZIP lies within Boulder County. Clocks here follow the America/Denver time zone (UTC-6).
About 17,643 people live in this ZIP code, and the median household income is roughly $84,797 a year. Figures come from the U.S. Census Bureau American Community Survey and are refreshed as new five-year estimates are released.
What you can do with ZIP code 80305
- Write a mailing address: Boulder, CO 80305. The ZIP goes last, after the state abbreviation.
- Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
- Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
- Compare the ZIP with neighbouring codes to see how population and income shift block by block.
Location Map
Full mapNearby ZIP Codes
Radius search| ZIP Code | City | Distance | |
|---|---|---|---|
| 80303 | Boulder | 1.7 km | Distance |
| 80309 | Boulder | 4.1 km | Distance |
| 80310 | Boulder | 4.1 km | Distance |
| 80302 | Boulder | 4.9 km | Distance |
| 80025 | Eldorado Springs | 6.1 km | Distance |
| 80304 | Boulder | 6.6 km | Distance |
| 80301 | Boulder | 8.4 km | Distance |
| 80027 | Louisville | 9.2 km | Distance |
| 80308 | Boulder | 12.5 km | Distance |
| 80026 | Lafayette | 13.5 km | Distance |
Nearby Cities
Frequently Asked Questions
ZIP code 80305 is located in Boulder, Colorado.
ZIP code 80305 is in Boulder county, Colorado.
ZIP code 80305 is in the America/Denver timezone.