The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
| ZIP Code | City | Housing Affordability Index | |
|---|---|---|---|
| 1. | 19730 | Odessa | 243 |
| 2. | 19733 | Saint Georges | 212 |
| 3. | 19980 | Woodside | 200 |
| 4. | 19717 | Newark | 189 |
| 5. | 19960 | Lincoln | 185 |
| 6. | 19931 | Bethel | 184 |
| 7. | 19706 | Delaware City | 181 |
| 8. | 19946 | Frederica | 181 |
| 9. | 19979 | Viola | 180 |
| 10. | 19941 | Ellendale | 180 |
| 11. | 19702 | Newark | 176 |
| 12. | 19956 | Laurel | 175 |
| 13. | 19720 | New Castle | 173 |
| 14. | 19709 | Middletown | 172 |
| 15. | 19940 | Delmar | 172 |
| 16. | 19934 | Camden Wyoming | 171 |
| 17. | 19943 | Felton | 170 |
| 18. | 19973 | Seaford | 170 |
| 19. | 19701 | Bear | 169 |
| 20. | 19964 | Marydel | 167 |
