Cape Cod and Barnstable County are made up of 15 towns. Barnstable is broken up into 7 villages ( Hyannis, Osterville, Cotuit, Centerville, Marston Mills, Barnstable, and W. Barnstable. Cape Cod's population has grown in the past decade. Census data shows that Cape Cod's year-round population has increased since 2010. The 2020 count was 228,996 residents, higher than the count of 215,888 in 2010 and the count of 222,230 in 2000. The housing market has shown this increase with more young professionals staying and leaving the office in the city to work remotely. The further you go Outer Cape, the smaller the land and population becomes. Below is a list of the populations by towns on Cape Cod.