Fairfield County, OH ZIP codes
Fairfield 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 Fairfield County ZIP codes
The ZIP codes of Fairfield 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.
Fairfield County in numbers
About 163,453 people live in Fairfield County, in 60,357 households, the 19th most populous of Ohio's 88 counties. The median household income is $90,966 a year, 27% above the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $298,800 (39% above the Ohio median), and median gross rent is $1,172 a month. The median age is 39.5; 32.3% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 28 minutes.
| Population | 163,453 |
|---|---|
| Households | 60,357 |
| Median age | 39.5 |
| Median household income | $90,966 |
| Median home value | $298,800 |
| Median gross rent | $1,172 |
| Bachelor's degree or higher | 32.3% |
| Mean commute | 28.0 min |
| Population density | 324 / 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 Fairfield County
| Town | ZIP codes | Population |
|---|---|---|
| Lancaster | 1 | 41,249 |
| Pickerington | 1 | 24,477 |
| Canal Winchester | 1 | 10,170 |
| Baltimore | 1 | 3,050 |
| Lithopolis | 1 | 2,522 |
| Bremen | 1 | 2,001 |
| Pleasantville | 1 | 908 |
| Millersport | 1 | 838 |
| Stoutsville | 1 | 647 |
| Thurston | 1 | 597 |
| Carroll | 1 | 595 |
| Amanda | 1 | 541 |
| Sugar Grove | 1 | 402 |
| Rushville | 1 | 294 |
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 Fairfield County.
Not sure you are in Fairfield County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Fairfield County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
43046 | Millersport , OH | Standard | 2,946 | $86,864 | $281,300 |
43102 | Amanda , OH | Standard | 3,711 | $90,781 | $304,500 |
43105 | Baltimore , OH | Standard | 8,982 | $98,583 | $340,900 |
43107 | Bremen , OH | Standard | 3,791 | $78,482 | $241,600 |
43110 | Canal Winchester , OH | Standard | 43,544 | $77,442 | $304,200 |
43112 | Carroll , OH | Standard | 4,909 | $91,613 | $338,300 |
43130 | Lancaster , OH | Standard | 62,933 | $72,153 | $230,000 |
43136 | Lithopolis , OH | Standard | 2,216 | $114,375 | $335,400 |
43147 | Pickerington , OH | Standard | 46,963 | $126,534 | $348,300 |
43148 | Pleasantville , OH | Standard | 1,898 | $72,072 | $242,000 |
43150 | Rushville , OH | Standard | 2,300 | $75,284 | $271,500 |
43154 | Stoutsville , OH | Standard | 3,367 | $91,250 | $250,700 |
43155 | Sugar Grove , OH | Standard | 2,361 | $90,337 | $242,200 |
43157 | Thurston , OH | Standard | 597 | $62,188 | $157,500 |
Cite this page
zipcodes.pro. “Fairfield County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/oh/county/fairfield
Underlying data is public domain or openly licensed — sources, vintages and licences.