Westchase Westchase is a suburb of Tampa with a population of 24,185. Westchase is in Hillsborough County and is one of the best places to live in Florida. Living in Westchase offers residents a dense suburban feel and most residents own their homes. In Westchase there are a lot of bars, restaurants, coffee shops, and parks. Many families and young professionals live in Westchase and residents tend to have moderate political views. The public schools in Westchase are highly rated.