Ohio ZIP Codes

ZIP records
1,232
Cities represented
1,011
Counties represented
88
Sum of listed ZIP population estimates
11,810,293

Population sum includes positive estimates in these ZIP records; it is not an official state population.

Top ZIP Codes by Population

Rank	ZIP Code	City	County	Population estimate
1	45011	Hamilton	Butler	75,864
2	43123	Grove City	Franklin	67,626
3	43026	Hilliard	Franklin	65,238
4	43081	Westerville	Franklin	65,020
5	44256	Medina	Medina	64,924
6	43055	Newark	Licking	63,281
7	43130	Lancaster	Fairfield	62,933
8	44035	Elyria	Lorain	62,179
9	43015	Delaware	Delaware	61,401
10	44060	Mentor	Lake	60,779
11	43068	Reynoldsburg	Franklin	60,148
12	45040	Mason	Warren	59,518
13	43228	Columbus	Franklin	59,077
14	43230	Columbus	Franklin	58,076
15	44077	Painesville	Lake	57,325
16	45140	Loveland	Clermont	57,211
17	43701	Zanesville	Muskingum	56,402
18	45044	Middletown	Butler	56,217
19	45069	West Chester	Butler	56,037
20	45601	Chillicothe	Ross	55,836

Counties

Cities

ZIP Prefix Directory

ZIP Range Directory

ZIP range 40000-49999

Download Ohio ZIP records (CSV)

Methodology: ZIP records and place names are grouped using the source file's state, city, county, and ZIP fields. Population sums add positive ZIP-level estimates; they are not official state totals. Prefix and range links lead to directories of records sharing those ZIP patterns.