Population of Swansea, Massachusetts as of March 2025. How many people live in Swansea today?

The exact population of Swansea, Massachusetts as of March 2025 is estimated at 17,144 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Swansea.

Check out more data on population in Massachusetts:

• Population of Boston
• Population of Worcester
• Population of Springfield
• Population of Somerville
• Population of Malden
• Population of Revere
• Population of Arlington
• Population of Fitchburg
• Population of Shrewsbury
• Population of Watertown
• Population of Franklin
• Population of North Attleborough
• Population of Melrose
• Population of West Springfield
• Population of Belmont
• Population of Easton
• Population of Westford