| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Ansonia | Standard | $52,330 |
| Beacon Falls | Standard | $80,870 |
| Branford | Standard | $100,020 |
| Cheshire | Standard | $119,820 |
| Derby | Standard | $55,970 |
| Guilford | Standard | $147,760 |
| Madison | Standard | $173,910 |
| Meriden | Standard | $54,600 |
| Meriden | Standard | $51,890 |
| Milford | Standard | $102,150 |
| Milford | Standard | $93,170 |
| North Branford | Standard | $85,380 |
| Northford | Standard | $86,470 |
| North Haven | Standard | $98,290 |
| Orange | Standard | $130,710 |
| Oxford | Standard | $102,120 |
| Seymour | Standard | $72,580 |
| Southbury | Standard | $115,570 |
| Wallingford | Standard | $82,420 |
| New Haven | Standard | $99,300 |
| New Haven | Standard | $64,030 |
| East Haven | Standard | $60,070 |
| New Haven | Standard | $41,160 |
| Hamden | Standard | $61,040 |
| New Haven | Standard | $63,090 |
| West Haven | Standard | $53,050 |
| Hamden | Standard | $90,710 |
| Hamden | Standard | $86,340 |
| New Haven | Standard | $35,440 |
| Bethany | Standard | $129,480 |
| Woodbridge | Standard | $183,820 |
| Waterbury | Standard | $23,070 |
| Waterbury | Standard | $36,610 |
| Waterbury | Standard | $40,870 |
| Waterbury | Standard | $39,190 |
| Waterbury | Standard | $49,080 |
| Waterbury | Standard | $37,240 |
| Prospect | Standard | $85,950 |
| Wolcott | Standard | $76,550 |
| Middlebury | Standard | $137,750 |
| Naugatuck | Standard | $58,950 |
Source: US Internal Revenue Service