Delaware Demographics Site Map

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Browse Delaware Zip Codes

• Zip Codes by Population

Largest 10 Counties by Population

1. New Castle County
2. Sussex County
3. Kent County

Largest 10 Cities by Population

1. Wilmington
2. Dover
3. Newark
4. Middletown
5. Bear
6. Glasgow
7. Hockessin
8. Brookside
9. Smyrna
10. Milford

Largest 10 Zip Codes by Population

1. 19720
2. 19702
3. 19711
4. 19709
5. 19701
6. 19901
7. 19904
8. 19808
9. 19805
10. 19966