2025 Compare Cities Overview:
Castaic, CA vs Boulder, CO

Are people in Boulder older or younger than people in Castaic?
- The Median Age in Boulder is 9.3 years younger than in Castaic.

Are housing costs cheaper in Boulder or Castaic?
- Boulder housing costs are 39.0% more expensive than Castaic housing costs.

Which city has a longer commute, Boulder or Castaic?
- The average commute for residents of Boulder is 11.2 minutes shorter than it is for residents of Castaic.

Things to do in Castaic?
Castaic is an unincorporated community located in Los Angeles County, California with an estimated population around 20,000 people as of 2020. The area offers residents a range of amenities and services including healthcare centers and educational facilities while also serving up plenty of outdoor activities such as boating and fishing on nearby Pyramid Lake among other opportunities for recreation.

Things to do in Boulder?
Boulder, Colorado is a unique city in the foothills of the Rockies. From incredible outdoor recreation to delicious food and vibrant nightlife, Boulder has something for everyone. Nature lovers will be captivated by the beauty of the Rocky Mountains and can take advantage of over 200 miles of trails for hiking, biking and climbing. For those looking to relax, Boulder Creek Path provides visitors with a peaceful respite from busy city life. Culture aficionados won’t want to miss out on visiting various galleries and historic landmarks throughout town, such as the Chautauqua Park Historic District or view pieces at the Boulder Museum of Contemporary Art. And after a day spent exploring this beautiful city, guests can unwind at one of Boulder’s many restaurants for some delicious local fare or enjoy a lively night at one of its lively bars! With its stunning mountain views and endless activities, Boulder promises to leave visitors with lasting memories!