| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Buzzards Bay | Standard | $379,980 |
| East Falmouth | Standard | $495,670 |
| East Sandwich | Standard | $524,940 |
| Falmouth | Standard | $560,000 |
| Buzzards Bay | Standard | $97,170 |
| Woods Hole | Standard | $721,890 |
| North Falmouth | Standard | $589,390 |
| Pocasset | Standard | $633,280 |
| Sagamore Beach | Standard | $395,450 |
| Sandwich | Standard | $417,430 |
| Hyannis | Standard | $696,390 |
| Barnstable | Standard | $511,360 |
| Brewster | Standard | $433,260 |
| Centerville | Standard | $425,620 |
| Chatham | Standard | $747,110 |
| Cotuit | Standard | $475,640 |
| Dennis | Standard | $726,360 |
| Dennis Port | Standard | $345,810 |
| Eastham | Standard | $431,930 |
| Forestdale | Standard | $383,460 |
| Harwich | Standard | $424,990 |
| Harwich Port | Standard | $738,980 |
| Marstons Mills | Standard | $475,680 |
| Mashpee | Standard | $603,390 |
| North Chatham | Standard | $724,950 |
| Orleans | Standard | $553,680 |
| Osterville | Standard | $1,480,990 |
| Provincetown | Standard | $751,630 |
| South Chatham | Standard | $672,960 |
| South Dennis | Standard | $381,150 |
| South Yarmouth | Standard | $556,930 |
| Wellfleet | Standard | $507,570 |
| West Barnstable | Standard | $431,860 |
| West Dennis | Standard | $541,270 |
| West Harwich | Standard | $787,730 |
| West Yarmouth | Standard | $389,400 |
| Yarmouth Port | Standard | $385,360 |
Source: US Internal Revenue Service