| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Monroe | Standard | $113,740 |
| Newtown | Standard | $150,190 |
| Sandy Hook | Standard | $120,170 |
| Shelton | Standard | $91,620 |
| Bridgeport | Standard | $39,760 |
| Bridgeport | Standard | $45,830 |
| Bridgeport | Standard | $43,330 |
| Bridgeport | Standard | $31,060 |
| Bridgeport | Standard | $28,820 |
| Bridgeport | Standard | $38,970 |
| Trumbull | Standard | $119,300 |
| Easton | Standard | $201,750 |
| Stratford | Standard | $74,020 |
| Stratford | Standard | $62,530 |
| Sherman | Standard | $142,940 |
| Bethel | Standard | $88,810 |
| Brookfield | Standard | $114,880 |
| Cos Cob | Standard | $248,480 |
| Danbury | Standard | $55,160 |
| Danbury | Standard | $88,350 |
| New Fairfield | Standard | $113,760 |
| Darien | Standard | $627,260 |
| Fairfield | Standard | $239,710 |
| Fairfield | Standard | $117,750 |
| Greenwich | Standard | $709,370 |
| Greenwich | Standard | $727,480 |
| New Canaan | Standard | $587,500 |
| Norwalk | Standard | $88,120 |
| Norwalk | Standard | $91,050 |
| Norwalk | Standard | $429,320 |
| Norwalk | Standard | $74,630 |
| Norwalk | Standard | $102,270 |
| Old Greenwich | Standard | $724,220 |
| Ridgefield | Standard | $260,270 |
| Riverside | Standard | $754,990 |
| Westport | Standard | $465,630 |
| Weston | Standard | $319,820 |
| Southport | Standard | $345,530 |
| Redding | Standard | $192,120 |
| Wilton | Standard | $303,750 |
| Stamford | Standard | $126,060 |
| Stamford | Standard | $124,870 |
| Stamford | Standard | $245,250 |
| Stamford | Standard | $114,920 |
| Stamford | Standard | $80,860 |
| Stamford | Standard | $95,510 |
Source: US Internal Revenue Service