Indiana Demographics Site Map

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Browse Indiana Zip Codes

• Zip Codes by Population

Largest 10 Counties by Population

1. Marion County
2. Lake County
3. Allen County
4. Hamilton County
5. St. Joseph County
6. Elkhart County
7. Tippecanoe County
8. Vanderburgh County
9. Porter County
10. Hendricks County

Largest 10 Cities by Population

1. Indianapolis
2. Fort Wayne
3. Evansville
4. South Bend
5. Carmel
6. Fishers
7. Bloomington
8. Hammond
9. Gary
10. Lafayette

Largest 10 Zip Codes by Population

1. 47906
2. 46307
3. 46227
4. 46143
5. 47150
6. 46032
7. 47374
8. 47130
9. 46226
10. 47201