Most populous ZIP codes in Ohio
Top 25 most populous ZIP codes in Ohio. #1 is 45011 (Hamilton) with about 74,636 residents. Compare population, income, and housing on US5.
These ZIP codes have the largest populations in Ohio. Population totals are aggregated from published ZIP-area Census estimates on US5.
The largest codes are 45011 (Hamilton) with about 74,636 residents; 43123 (Grove City) with about 66,366 residents; 43026 (Hilliard) with about 64,644 residents.
Open any ZIP for a full demographics, income, and housing profile, or return to the Ohio state page for the complete ZIP table.
Ranked ZIP codes
| # | ZIP | City | County | Population | Population | Income | Home value |
|---|---|---|---|---|---|---|---|
| 1 | 45011 | Hamilton | Butler County | 74,636 | 74,636 | $90,360 | $272,000 |
| 2 | 43123 | Grove City | Franklin County | 66,366 | 66,366 | $87,883 | $262,400 |
| 3 | 43026 | Hilliard | Franklin County | 64,644 | 64,644 | $110,369 | $324,300 |
| 4 | 44256 | Medina | Medina County | 64,606 | 64,606 | $100,345 | $292,000 |
| 5 | 43081 | Westerville | Franklin County | 64,314 | 64,314 | $90,336 | $297,300 |
| 6 | 43055 | Newark | Licking County | 62,697 | 62,697 | $61,807 | $185,300 |
| 7 | 43130 | Lancaster | Fairfield County | 62,450 | 62,450 | $68,242 | $215,900 |
| 8 | 44035 | Elyria | Lorain County | 62,024 | 62,024 | $54,362 | $147,600 |
| 9 | 44060 | Mentor | Lake County | 60,257 | 60,257 | $85,881 | $227,200 |
| 10 | 43230 | Gahanna | Franklin County | 59,522 | 59,522 | $92,271 | $282,800 |
| 11 | 43068 | Reynoldsburg | Franklin County | 59,399 | 59,399 | $70,451 | $225,500 |
| 12 | 43015 | Delaware | Delaware County | 59,027 | 59,027 | $99,622 | $311,900 |
| 13 | 43228 | Columbus | Franklin County | 58,607 | 58,607 | $60,895 | $204,000 |
| 14 | 45040 | Mason | Warren County | 58,132 | 58,132 | $131,803 | $403,700 |
| 15 | 44077 | Painesville | Lake County | 57,947 | 57,947 | $80,692 | $217,400 |
| 16 | 45140 | Loveland | Clermont County | 56,854 | 56,854 | $110,781 | $340,800 |
| 17 | 45601 | Chillicothe | Ross County | 56,453 | 56,453 | $57,430 | $160,800 |
| 18 | 43701 | Zanesville | Muskingum County | 55,674 | 55,674 | $54,900 | $164,200 |
| 19 | 45069 | Beckett Ridge | Butler County | 55,635 | 55,635 | $115,539 | $314,300 |
| 20 | 43302 | Marion | Marion County | 54,581 | 54,581 | $53,833 | $139,700 |
| 21 | 45044 | Middletown | Butler County | 54,452 | 54,452 | $71,942 | $230,400 |
| 22 | 45840 | Findlay | Hancock County | 54,342 | 54,342 | $64,076 | $203,800 |
| 23 | 43229 | Columbus | Franklin County | 54,237 | 54,237 | $53,430 | $210,600 |
| 24 | 45013 | Hamilton | Butler County | 53,533 | 53,533 | $72,932 | $217,200 |
| 25 | 44107 | Lakewood | Cuyahoga County | 50,384 | 50,384 | $65,778 | $241,400 |
Frequently asked questions
What are the most populous ZIP codes in Ohio?
The largest ZIP on this board is 45011 (Hamilton) with about 74,636 residents. See the ranked table for the full top 25.
How does US5 rank ZIP codes in Ohio?
We rank indexable ZIP codes by population from high to low.
Where can I explore all ZIP codes in Ohio?
Visit the Ohio state page for the full ZIP table, demographics summary, and sortable income/housing columns.