| Name | County | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2012-07-01 | |
|---|---|---|---|---|---|
| Springfield | Hampden | 152,001 | 153,060 | 153,552 | o |
Source: US Census Bureau (web).
2000 population of places in the boundaries of 2010. Later population figures for places in the boundaries of 2012.
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