County · GEOID 39159
Union County, OH ZIP codes
21 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Union County (GEOID 39159). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 284,273 (21 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Union County
Population overlap
Share of each ZIP/ZCTA’s population located within Union County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 43007100.0%
Directory county
- 430150.1%
- 430167.8%
- 430173.1%
- 4302928.9%
- 43036100.0%
Directory county
- 4304099.7%
Directory county
- 4304598.8%
Directory county
- 430601.7%
- 4306114.9%
- 4306459.2%
Directory county
- 43067100.0%
Directory county
- 43077100.0%
Directory county
- 430842.3%
- 433020.0%
- 433190.5%
- 4334012.5%
- 433421.3%
- 4334497.3%
Directory county
- 433451.7%
- 4335847.7%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Union County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 43007 | Broadway | Union County | 34 | — |
| 43015 | Delaware | Delaware County | 59,027 | $99,622 |
| 43016 | Dublin | Franklin County | 44,514 | $110,518 |
| 43017 | Dublin | Franklin County | 41,422 | $133,116 |
| 43029 | Irwin | Madison County | 524 | $105,954 |
| 43036 | Magnetic Springs | Union County | 326 | $64,500 |
| 43040 | Marysville | Union County | 37,582 | $96,320 |
| 43045 | Milford Center | Union County | 1,665 | $102,868 |
| 43060 | North Lewisburg | Champaign County | 2,385 | $61,776 |
| 43061 | Ostrander | Delaware County | 5,198 | $146,083 |
| 43064 | Plain City | Union County | 17,829 | $129,196 |
| 43067 | Raymond | Union County | 1,655 | $93,083 |
| 43077 | Unionville Center | Union County | 278 | $97,500 |
| 43084 | Woodstock | Champaign County | 1,077 | $76,250 |
| 43302 | Marion | Marion County | 54,581 | $53,833 |
| 43319 | East Liberty | Logan County | 1,118 | $145,605 |
| 43340 | Mount Victory | Hardin County | 2,192 | $70,893 |
| 43342 | Prospect | Marion County | 3,566 | $71,667 |
| 43344 | Richwood | Union County | 6,049 | $80,087 |
| 43345 | Ridgeway | Hardin County | 623 | $88,088 |
| 43358 | West Mansfield | Logan County | 2,628 | $86,742 |
USPS associates these ZIPs with Union County
These codes list Union County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 43041 | Marysville | Union County | — | — |