Ohio Demographics Site Map

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Browse Ohio Zip Codes

• Zip Codes by Population

Largest 10 Counties by Population

1. Franklin County
2. Cuyahoga County
3. Hamilton County
4. Summit County
5. Montgomery County
6. Lucas County
7. Butler County
8. Stark County
9. Lorain County
10. Warren County

Largest 10 Cities by Population

1. Columbus
2. Cleveland
3. Cincinnati
4. Toledo
5. Akron
6. Dayton
7. Parma
8. Canton
9. Lorain
10. Hamilton

Largest 10 Zip Codes by Population

1. 45011
2. 43123
3. 43026
4. 43081
5. 44256
6. 43055
7. 43130
8. 44035
9. 43015
10. 44060

20 Richest Counties in Ohio

1. Delaware County
2. Warren County
3. Geauga County
4. Union County
5. Medina County
6. Greene County
7. Licking County
8. Fairfield County
9. Clermont County
10. Hamilton County
11. Ottawa County
12. Butler County
13. Franklin County
14. Madison County
15. Wood County
16. Lake County
17. Putnam County
18. Henry County
19. Holmes County
20. Summit County

20 Richest Cities in Ohio

1. The Village of Indian Hill
2. Remington
3. Hunting Valley
4. Kirtland Hills
5. Gates Mills
6. Hills and Dales
7. Coldstream
8. New Albany
9. Bentleyville
10. Concorde Hills
11. Montrose-Ghent
12. Pepper Pike
13. Terrace Park
14. Moreland Hills
15. Dry Run
16. Amberley
17. Madeira
18. South Russell
19. Ottawa Hills
20. Waite Hill