| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Union | County | 40,975 | 52,300 | 53,038 | o |
| Ohio | Federal State | 11,353,336 | 11,536,502 | 11,541,007 |
| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Magnetic Springs | Village | 323 | 268 | 270 | o |
| Marysville | City | 16,182 | 22,098 | 22,288 | o |
| Milford Center | Village | 668 | 792 | 800 | o |
| Richwood | Village | 2,156 | 2,232 | 2,252 | o |
| Unionville Center | Village | 299 | 233 | 236 | o |
Source: US Census Bureau (web).
2012-07-02WWW.CITYPOPULATION.DE