Butler County, OH ZIP codes
There are 20 ZIP codes in Butler County, OH, in 14 towns, from 45004 to 45071. The largest are 45011 (Hamilton), 45069 (West Chester) and 45013 (Hamilton).
The county seat is Hamilton.
- ZIP codes
- 20
- Towns
- 14
- County seat
- Hamilton
- County FIPS
39017- State
- Ohio
- Population
- 392,876
- Median household income
- $81,590
- Land area
- 467 sq mi
- Metro area
- Cincinnati
Butler County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Butler County ZIP codes
The ZIP codes of Butler County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Butler County in numbers
About 392,876 people live in Butler County, in 146,822 households, the 7th most populous of Ohio's 88 counties. The median household income is $81,590 a year, 14% above the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $258,500 (20% above the Ohio median), and median gross rent is $1,135 a month. The median age is 37.2; 32.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 24 minutes.
| Population | 392,876 |
|---|---|
| Households | 146,822 |
| Median age | 37.2 |
| Median household income | $81,590 |
| Median home value | $258,500 |
| Median gross rent | $1,135 |
| Bachelor's degree or higher | 32.8% |
| Mean commute | 24.3 min |
| Population density | 842 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Butler County
| Town | ZIP codes | Population |
|---|---|---|
| Hamilton | 4 | 63,468 |
| West Chester | 2 | 56,037 |
| Middletown | 2 | 51,617 |
| Fairfield | 2 | 44,828 |
| Oxford | 1 | 21,753 |
| Monroe | 1 | 15,401 |
| Trenton | 1 | 13,583 |
| Okeana | 1 | 3,718 |
| Ross | 1 | 2,601 |
| Seven Mile | 1 | 463 |
| Somerville | 1 | 208 |
| Overpeck | 1 | 198 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Butler County.
Not sure you are in Butler County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Butler County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45004 | Collinsville , OH | No street area | — | — | — |
45011 | Hamilton , OH | Standard | 75,864 | $91,873 | $293,800 |
45012 | Hamilton , OH | No street area | — | — | — |
45013 | Hamilton , OH | Standard | 53,998 | $73,633 | $232,200 |
45014 | Fairfield , OH | Standard | 45,773 | $75,661 | $232,400 |
45015 | Hamilton , OH | Standard | 11,038 | $48,312 | $120,700 |
45018 | Fairfield , OH | No street area | — | — | — |
45042 | Middletown , OH | Standard | 27,652 | $69,520 | $202,200 |
45044 | Middletown , OH | Standard | 56,217 | $73,732 | $241,600 |
45050 | Monroe , OH | Standard | 12,248 | $104,282 | $293,100 |
45053 | Okeana , OH | Standard | 3,718 | $109,148 | $342,000 |
45055 | Overpeck , OH | Standard | 198 | — | — |
45056 | Oxford , OH | Standard | 27,376 | $49,233 | $250,700 |
45061 | Ross , OH | No street area | — | — | — |
45062 | Seven Mile , OH | Standard | 511 | $52,917 | $141,700 |
45063 | Shandon , OH | No street area | — | — | — |
45064 | Somerville , OH | Standard | 3,373 | $102,531 | $240,200 |
45067 | Trenton , OH | Standard | 15,471 | $81,605 | $236,700 |
45069 | West Chester , OH | Standard | 56,037 | $114,631 | $345,000 |
45071 | West Chester , OH | No street area | — | — | — |
Cite this page
zipcodes.pro. “Butler County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/oh/county/butler
Underlying data is public domain or openly licensed — sources, vintages and licences.