| Name | County | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Joy | Mercer | 454 | 377 | 417 | o |
Source: US Census Bureau (web).
2000 and 2010 population of incorporated places in the boundaries of 2010.
2011-04-03WWW.CITYPOPULATION.DE
