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

The exact population of Dennis, Massachusetts as of March 2025 is estimated at 14,674 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 Dennis.

Check out more data on population in Massachusetts:

• Population of Brockton
• Population of Fall River
• Population of Haverhill
• Population of Brookline
• Population of Medford
• Population of Peabody
• Population of Everett
• Population of Leominster
• Population of Woburn
• Population of Natick
• Population of Dartmouth
• Population of Norwood
• Population of Wellesley
• Population of Bridgewater
• Population of Danvers
• Population of Marshfield
• Population of Canton