2025 Compare Cities Overview:
Castro Valley, CA vs Union City, CA

Are people in Union City older or younger than people in Castro Valley?
- The Median Age in Union City is 1.6 years younger than in Castro Valley.

Are housing costs cheaper in Union City or Castro Valley?
- Union City housing costs are 3.0% more expensive than Castro Valley housing costs.

Which city has a longer commute, Union City or Castro Valley?
- The average commute for residents of Union City is 0.3 minutes shorter than it is for residents of Castro Valley.

Things to do in Castro Valley?
Castro Valley, California is a thriving community located in the heart of Alameda County. This vibrant city offers plenty for visitors to explore such as historic Redwood Canyon or one of many popular restaurants. Residents here also take advantage of all the outdoor activities available at Lake Chabot Regional Park, Cull Canyon Regional Park, and Castro Valley Community Park. With its excellent school systems, thriving businesses, and numerous recreational opportunities, it's no wonder why so many people choose to make Castro Valley their home.

Things to do in Union City?
Union City, California is a vibrant city located in the Northern region of the United States. Home to attractions such as Alvarado Park and Decoto Neighborhood Park, visitors can explore outdoor activities and historical sites when visiting Union City. There are also plenty of museums, galleries, and performance venues such as The Union City Historical Museum and The Little Theatre of Union City. For entertainment, visitors can explore boutique shops and restaurants along with movie theaters and live music clubs. Whether you're looking for a peaceful retreat or an exciting night out, Union City has something for everyone!