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. Mahoning County

Largest 10 Cities by Population

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

Largest 10 Zip Codes by Population

1. 45011
2. 43123
3. 44035
4. 44256
5. 43026
6. 43055
7. 43081
8. 43130
9. 44060
10. 43230