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The Metropolitan Area
(MA) changes depend on a Federal Register Notice (65
FR 82228 - 82238) issued by the Office of Management
and Budget (OMB) on December 27, 2000. The 2000
standards and definitions replace the 1990 MSA standard
and definitions.
The U.S. Census Bureau
issued the new MSA boundaries in June 2003 and has updated
them annually since then, in December 2003, November
2004, and December 2005
Old MA Boundaries
In 2000: Under the old
Metropolitan Area definitions, there were:
261 Metropolitan Statistical
Areas (MSAs)
76 Primary Metropolitan
Statistical Areas (PMSAs)
19 Consolidated Metropolitan
Statistical Areas (CMSAs)
In 2001 and 2002: There
were no changes in the MSA boundaries. In spite
of two major county boundary changes, the addition of
Broomfield County, CO and the deletion of Clifton Forge
City, VA, the MSA boundaries remained unchanged.
New MA Boundaries
In December 2003: Under
the new Metropolitan Area definitions, there were:
369 (361 in the U.S.
and 8 in PR) Metropolitan Statistical Areas (MSAs)
578 (573 in the U.S.
and 5 in PR) Micropolitan Statistical Areas (MSAs)
29 Metropolitan Divisions
123 Combined Statistical
Areas
In 2004 and 2005: The
Metropolitan Statistical Areas remained unchanged. The
changes reported in the Micropolitan and Combined Statistical
Areas (which we do not map) are as follows:
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In November 2004:
369 (361 in the U.S.
and 8 in PR) Metropolitan Statistical Areas (MSAs)
580 (575 in the U.S.
and 5 in PR) Micropolitan Statistical Areas (MSAs)
29 Metropolitan Divisions
123 Combined Statistical
Areas
In December 2005:
369 (361 in the U.S.
and 8 in PR) Metropolitan Statistical Areas (MSAs)
582 (577 in the U.S.
and 5 in PR) Micropolitan Statistical Areas (MSAs)
29 Metropolitan Divisions
124 Combined Statistical
Areas
MA Changes:
Hence, the major changes
in the comparable Metropolitan Area (MA) boundaries
occurred from 2000 to 2003.
| In 2000:
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|
In
2003:
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| MSA = 261
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|
MSA
= 369
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| PMSA = 76
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|
MD
= 29
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