Massachusetts 2020 Census

Secretary William Francis Galvin – Census Liaison

Barnstable County

2010 Official Count and Latest Estimates

Hover over municipality for details

Barnstable County map Truro Wellfleet Provincetown Eastham Bourne Sandwich Falmouth Mashpee Barnstable Yarmouth Dennis Brewster Orleans Harwich Chatham

Percent Change

10%+

9.99% – 5.00%

4.99% – 2.50%

2.49% – 0.00%

-0.01% – -2.49%

-2.50% – -5.39%

The chart below lists population figures for 2010 based on official U.S. Census Bureau – Census 2010 data. Population figures for 2018 are based on U.S. Census Bureau Population Estimates Program data. Note: Cities appear in all capital letters. Towns are in upper/lower case letters.

Municipality April 1, 2010
Census
Population Estimate
as of July 1, 2018
Percent Change
2010-2018
Barnstable 45,193 44,460 -1.62%
Bourne 19,754 19,872 0.60%
Brewster 9,820 9,806 -0.14%
Chatham 6,125 6,160 0.57%
Dennis 14,207 13,885 -2.27%
Eastham 4,956 4,871 -1.72%
Falmouth 31,531 31,019 -1.62%
Harwich 12,243 12,133 -0.90%
Mashpee 14,006 14,180 1.24%
Orleans 5,890 5,798 -1.56%
Provincetown 2,942 2,960 0.61%
Sandwich 20,675 20,226 -2.17%
Truro 2,003 1,999 -0.20%
Wellfleet 2,750 2,729 -0.76%
Yarmouth 23,793 23,315 -2.01%