There are 40 cities in Barnstable County, Massachusetts.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Barnstable Town | 1 | Massachusetts | 49,978 | 48,900 | 0.54% | 834 | 59.93 |
| South Yarmouth | 2 | Massachusetts | 12,023 | 10,598 | 0.92% | 1,728 | 6.96 |
| East Falmouth | 3 | Massachusetts | 6,196 | 6,163 | -2.84% | 1,140 | 5.44 |
| Yarmouth Port | 4 | Massachusetts | 6,169 | 5,202 | 1.63% | 1,025 | 6.02 |
| West Yarmouth | 5 | Massachusetts | 6,046 | 6,388 | -0.43% | 904 | 6.69 |
| East Harwich | 6 | Massachusetts | 6,041 | 4,756 | 2.97% | 753 | 8.02 |
| East Dennis | 7 | Massachusetts | 4,354 | 3,068 | 7.99% | 901 | 4.83 |
| Sagamore | 8 | Massachusetts | 4,140 | 3,792 | 2.15% | 1,243 | 3.33 |
| Forestdale | 9 | Massachusetts | 4,080 | 3,744 | 2.1% | 1,070 | 3.81 |
| Northwest Harwich | 10 | Massachusetts | 4,029 | 4,123 | -0.57% | 505 | 7.98 |
| Falmouth | 11 | Massachusetts | 3,859 | 3,751 | -0.31% | 1,848 | 2.09 |
| East Sandwich | 12 | Massachusetts | 3,831 | 3,628 | 0.58% | 510 | 7.52 |
| Provincetown | 13 | Massachusetts | 3,753 | 2,730 | 4.45% | 2,100 | 1.79 |
| South Dennis | 14 | Massachusetts | 3,307 | 2,895 | 3.21% | 727 | 4.55 |
| Dennis Port | 15 | Massachusetts | 3,077 | 3,523 | -3.48% | 1,013 | 3.04 |
| Sandwich | 16 | Massachusetts | 2,968 | 2,928 | 0.34% | 820 | 3.62 |
| Monument Beach | 17 | Massachusetts | 2,875 | 3,173 | -2.51% | 1,113 | 2.58 |
| West Dennis | 18 | Massachusetts | 2,790 | 2,479 | 1.05% | 856 | 3.26 |
| Buzzards Bay | 19 | Massachusetts | 2,778 | 3,208 | -3.71% | 1,450 | 1.92 |
| Pocasset | 20 | Massachusetts | 2,658 | 2,596 | 0.61% | 719 | 3.70 |
| Harwich Port | 21 | Massachusetts | 2,518 | 1,906 | 5.58% | 957 | 2.63 |
| North Falmouth | 22 | Massachusetts | 2,204 | 2,572 | -2.52% | 566 | 3.89 |
| Bourne | 23 | Massachusetts | 2,187 | 1,377 | 10.23% | 1,283 | 1.71 |
| North Eastham | 24 | Massachusetts | 2,171 | 1,741 | 4.83% | 631 | 3.44 |
| Brewster | 25 | Massachusetts | 2,131 | 1,347 | 10.13% | 547 | 3.90 |
| West Chatham | 26 | Massachusetts | 1,919 | 1,224 | 8.05% | 656 | 2.92 |
| Dennis | 27 | Massachusetts | 1,834 | 1,962 | -1.71% | 373 | 4.91 |
| Orleans | 28 | Massachusetts | 1,811 | 1,519 | 4.2% | 781 | 2.32 |
| West Falmouth | 29 | Massachusetts | 1,750 | 1,836 | -1.19% | 568 | 3.08 |
| Chatham | 30 | Massachusetts | 1,724 | 1,550 | 2.62% | 654 | 2.64 |
| Teaticket | 31 | Massachusetts | 1,514 | 1,608 | -1.5% | 1,436 | 1.05 |
| Harwich Center | 32 | Massachusetts | 1,387 | 1,383 | -1.14% | 617 | 2.25 |
| Mashpee Neck | 33 | Massachusetts | 1,137 | 1,403 | -5.49% | 898 | 1.27 |
| Woods Hole | 34 | Massachusetts | 1,051 | 933 | 2.94% | 492 | 2.13 |
| New Seabury | 35 | Massachusetts | 881 | 595 | 8.9% | 366 | 2.41 |
| Seabrook | 36 | Massachusetts | 573 | 520 | -1.88% | 1,628 | 0.35 |
| Popponesset | 37 | Massachusetts | 276 | 202 | -14.02% | 923 | 0.30 |
| Seconsett Island | 38 | Massachusetts | 231 | 37 | 25.54% | 2,243 | 0.10 |
| Monomoscoy Island | 39 | Massachusetts | 132 | 114 | 3.94% | 569 | 0.23 |
| Popponesset Island | 40 | Massachusetts | 84 | 35 | 9.09% | 1,167 | 0.07 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Barnstable Town is the largest city in Barnstable County.
Popponesset Island is the smallest city in Barnstable County.
There are 40 cities in Barnstable County, Massachusetts.