| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Union | County | 522,507 | 536,499 | 540,159 | o |
| New Jersey | Federal State | 8,414,764 | 8,791,898 | 8,834,773 |
| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Elizabeth | City | 120,568 | 124,969 | 125,660 | o |
| Fanwood | Borough | 7,174 | 7,318 | 7,360 | o |
| Garwood | Borough | 4,153 | 4,226 | 4,250 | o |
| Kenilworth | Borough | 7,675 | 7,914 | 7,959 | o |
| Linden | City | 39,394 | 40,499 | 40,725 | o |
| Mountainside | Borough | 6,602 | 6,685 | 6,721 | o |
| New Providence | Borough | 11,907 | 12,171 | 12,238 | o |
| Plainfield | City | 47,829 | 49,808 | 50,085 | o |
| Rahway | City | 26,500 | 27,346 | 27,500 | o |
| Roselle | Borough | 21,274 | 21,085 | 21,205 | o |
| Roselle Park | Borough | 13,281 | 13,297 | 13,372 | o |
| Summit | City | 21,130 | 21,457 | 21,578 | o |
| Westfield | Town | 29,644 | 30,316 | 30,487 | o |
Source: US Census Bureau (web).
2012-07-02WWW.CITYPOPULATION.DE