ZIP codes in Delaware with enough data (at least 5,000 residents and a reliable estimate), in numerical order; MajorPays does not rank places.
- 19701 New Castle County; bachelor's median $74,891
- 19702 New Castle County; bachelor's median $73,568
- 19707 New Castle County; bachelor's median $102,460
- 19709 New Castle County; bachelor's median $90,885
- 19711 New Castle County; bachelor's median $69,562
- 19713 New Castle County; bachelor's median $71,612
- 19720 New Castle County; bachelor's median $60,492
- 19734 New Castle County; bachelor's median $79,636
- 19802 New Castle County; bachelor's median $60,075
- 19804 New Castle County; bachelor's median $63,851
- 19805 New Castle County; bachelor's median $59,631
- 19806 New Castle County; bachelor's median $78,967
- 19808 New Castle County; bachelor's median $73,671
- 19809 New Castle County; bachelor's median $60,875
- 19810 New Castle County; bachelor's median $77,884
- 19901 Kent County; bachelor's median $55,020
- 19904 Kent County; bachelor's median $52,978
- 19933 Sussex County; bachelor's median $56,420
- 19940 Sussex County; bachelor's median $52,241
- 19946 Kent County; bachelor's median $65,495
- 19952 Kent County; bachelor's median $55,146
- 19962 Kent County; bachelor's median $60,480
- 19966 Sussex County; bachelor's median $55,800
- 19971 Sussex County; bachelor's median $77,806
- 19977 Kent County; bachelor's median $49,761