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| Component Change History |
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| Apr 1950 |
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| - | | New SMA: Manchester, NH SMA |
| - | | Goffstown town (in Hillsborough County, NH) included as original SMA component |
| - | | Manchester city (in Hillsborough County, NH) included as original SMA component |
| - | | Manchester, NH designated as original central city of new SMA |
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| Oct 1963 |
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| - | | Bedford town (in Hillsborough County, NH) added |
| - | | Hooksett town (in Merrimack County, NH) added |
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| Feb 1971 |
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| - | | Nashua, NH designated as original central city of new Nashua, NH SMSA |
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| Apr 1973 |
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| - | | Allenstown town (in Merrimack County, NH) added |
| - | | Pembroke town (in Merrimack County, NH) added |
| - | | Derry town (in Rockingham County, NH) added |
| - | | Londonderry town (in Rockingham County, NH) added |
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| Jun 1983 |
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| - | | Pembroke town (in Merrimack County, NH) deleted, reverted to nonmetro status |
| - | | Auburn town (in Rockingham County, NH) added |
| - | | Candia town (in Rockingham County, NH) added |
| - | | Derry town (in Rockingham County, NH) transferred to Lawrence-Haverhill, MA-NH PMSA in Boston-Lawrence-Salem, MA-NH CMSA |
| - | | Londonderry town (in Rockingham County, NH) transferred to Nashua, NH PMSA in Boston-Lawrence-Salem, MA-NH CMSA |
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| Dec 1992 |
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| - | | Manchester, NH transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA, designated as central city of PMSA |
| - | | Manchester, NH MSA abolished |
| - | | Bedford town (in Hillsborough County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Goffstown town (in Hillsborough County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Manchester city (in Hillsborough County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Weare town (in Hillsborough County, NH) added to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Allenstown town (in Merrimack County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Hooksett town (in Merrimack County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Auburn town (in Rockingham County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Candia town (in Rockingham County, NH) transferred to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Derry town (in Rockingham County, NH) added to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA, transferred from Lawrence-Haverhill, MA-NH PMSA in Boston-Lawrence-Salem, MA-NH CMSA |
| - | | Londonderry town (in Rockingham County, NH) added to Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA, transferred from Nashua, NH PMSA in Boston-Lawrence-Salem, MA-NH CMSA |
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| Jun 1993 |
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| - | | PMSA reestablished: Manchester, NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Bedford town (in Hillsborough County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Goffstown town (in Hillsborough County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Manchester city (in Hillsborough County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Weare town (in Hillsborough County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Allenstown town (in Merrimack County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Hooksett town (in Merrimack County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Auburn town (in Rockingham County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Candia town (in Rockingham County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Derry town (in Rockingham County, NH) included as original component of reestablished Lawrence, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Londonderry town (in Rockingham County, NH) included as original component of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
| - | | Manchester, NH designated as original central city of reestablished PMSA, transferred from Boston, MA-NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
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| Jun 2003 |
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| - | | Counties instead of cities and towns became the basic geographic unit of core based statistical areas in New England |
| - | | Manchester, NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA became Manchester-Nashua, NH Metro Area in Boston-Worcester-Manchester, MA-NH CSA |
| - | | Hillsborough County, NH included as original county component of Metro Area |
| - | | Nashua, NH designated as principal city of Metro Area, transferred from Nashua, NH PMSA in Boston-Worcester-Lawrence, MA-NH CMSA |
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