2025 Compare Cities Overview:
Mercer Island, WA vs Foster City, CA

Are people in Foster City older or younger than people in Mercer Island?
- The Median Age in Foster City is 5.9 years younger than in Mercer Island.

Are housing costs cheaper in Foster City or Mercer Island?
- Foster City housing costs are 22.9% less expensive than Mercer Island housing costs.

Which city has a longer commute, Foster City or Mercer Island?
- The average commute for residents of Foster City is 7.4 minutes longer than it is for residents of Mercer Island.

Things to do in Mercer Island?
Mercer Island, Washington is a vibrant city located in King County and renowned for its lush parks and nature reserves, thriving restaurants, and small-town charm. It offers plenty of activities for outdoor enthusiasts to enjoy, from exploring Luther Burbank Park to kayaking on Lake Washington. Visitors can also explore local attractions such as the Mercer Island Historical Society or shop at nearby malls such as Bellevue Square. With easy access to Seattle and other major cities like Redmond and Kirkland, Mercer Island makes an ideal destination for visitors seeking an unforgettable experience close to urban amenities.

Things to do in Foster City?
Foster City CA rests just south of San Francisco Bay full of outdoor fun like fishing & biking trails at Leo J Ryan Memorial Park combined with convenient access to notable Silicon Valley companies like Oracle.