|State :||Colorado (CO)|
|Total Cities in this County :||16|
|Total Zipcodes in this County :||35|
There are 1 counties in United Stated with the name Boulder
- Boulder county of State Colorado : *Boulder - Colorado
Boulder is a County which belongs to the state Colorado in United States of America. There are total 16 cities in this county. Total number of zipcodes/pincodes in Boulder are 35.