| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Bloomington | Standard | $497,000 |
| Bloomington | Standard | $423,470 |
| Bloomington | Standard | $369,450 |
| Anchor | Standard | $186,450 |
| Arrowsmith | Standard | $180,160 |
| Bellflower | Standard | $145,940 |
| Carlock | Standard | $388,130 |
| Chenoa | Standard | $337,680 |
| Colfax | Standard | $393,950 |
| Cooksville | Standard | $143,730 |
| Cropsey | Standard | $158,270 |
| Danvers | Standard | $323,060 |
| Downs | Standard | $451,250 |
| Ellsworth | Standard | $168,590 |
| El Paso | Standard | $420,060 |
| Gridley | Standard | $330,480 |
| Heyworth | Standard | $336,030 |
| Hudson | Standard | $574,100 |
| Le Roy | Standard | $438,710 |
| Lexington | Standard | $332,980 |
| McLean | Standard | $315,000 |
| Normal | Standard | $340,770 |
| Saybrook | Standard | $163,640 |
| Shirley | Standard | $174,770 |
| Stanford | Standard | $366,700 |
| Towanda | Standard | $402,300 |
| Farmer City | Standard | $339,140 |
Source: US Internal Revenue Service