Champaign County, Ohio ZIP codes
11 ZIP codes are in Champaign County, plus 8 that cross in from neighboring counties. It's part of the Urbana, OH micro area.
- ZIP codes
- 11
- Population in these ZIPs
- 37,574
- Avg. median income
- $75,000population-weighted
- Cities & towns
- 11
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Champaign County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 43009 | Cable | 2,229 | $102,841 | $345,200 |
| 43044 | Mechanicsburg | 4,964 | $76,397 | $283,700 |
| 43047 | Mingo | 18 | — | — |
| 43060 | North Lewisburg | 2,359 | $62,014 | $265,900 |
| 43070 | Rosewood | 170 | — | — |
| 43072 | Saint Paris | 5,253 | $76,375 | $250,400 |
| 43078 | Urbana | 19,695 | $73,816 | $243,300 |
| 43083 PO Box | Westville | — | — | — |
| 43084 | Woodstock | 991 | $78,008 | $263,400 |
| 45317 | Conover | 1,187 | $61,429 | $227,700 |
| 45389 | Christiansburg | 708 | $62,250 | $158,100 |
ZIP codes partly in Champaign County
These ZIP codes are mostly in a neighboring county but cover part of Champaign County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 43045 | Milford Center | Union County | 1,739 | $99,181 | $311,500 |
| 43318 | De Graff | Logan County | 4,352 | $91,520 | $247,200 |
| 43343 | Quincy | Logan County | 1,366 | $63,438 | $226,500 |
| 43357 | West Liberty | Logan County | 4,899 | $92,448 | $306,700 |
| 45312 | Casstown | Miami County | 1,086 | $91,842 | $359,400 |
| 45344 | New Carlisle | Clark County | 16,979 | $78,471 | $216,300 |
| 45365 | Sidney | Shelby County | 28,965 | $67,051 | $217,500 |
| 45502 | Springfield | Clark County | 17,692 | $88,988 | $311,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Champaign County
Nearby counties
Frequently asked questions
How many ZIP codes are in Champaign County, Ohio?
11 ZIP codes are mainly in Champaign County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Champaign County?
ZIP codes in Champaign County use the city names Cable, Christiansburg, Conover, Mechanicsburg, Mingo, North Lewisburg, Rosewood, Saint Paris, Urbana, Westville and Woodstock.
What metro area is Champaign County in?
Champaign County is part of the Urbana, OH micropolitan statistical area.