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View all Surveys & Programs
2020 Census 2030 Census American Community Survey (ACS) American Housing Survey (AHS) Annual Business Survey (ABS) Annual Survey of Manufactures (ASM) Census of Governments County Business Patterns (CBP) Current Population Survey (CPS) Economic Census International Programs Metro and Micro Areas Population Estimates Population Projections Small Area Income and Poverty Statistics of U.S. Businesses Survey of Business Owners Survey of Income and Program Participation (SIPP)
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Delineation Files

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Delineation Files

Core based statistical areas (CBSAs), metropolitan divisions, and combined statistical areas (CSAs)

xls Mar. 2020 [<1.0 MB]
xls Sep. 2018 [<1.0 MB]
xls Apr. 2018 [<1.0 MB]
xls Aug. 2017 [<1.0 MB]
xls Jul. 2015 [<1.0 MB]
xls Feb. 2013 [<1.0 MB]

Principal cities of metropolitan and micropolitan statistical areas

xls Mar. 2020 [<1.0 MB]
xls Sep. 2018 [<1.0 MB]
xls Apr. 2018 [<1.0 MB]
xls Aug. 2017 [<1.0 MB]
xls Jul. 2015 [<1.0 MB]
xls Feb. 2013 [<1.0 MB]

New England city and town areas (NECTAs), NECTA divisions, and combined NECTAs

xls Mar. 2020 [<1.0 MB]
xls Sep. 2018 [<1.0 MB]
xls Apr. 2018 [<1.0 MB]
xls Aug. 2017 [<1.0 MB]
xls Jul. 2015 [<1.0 MB]
xls Feb. 2013 [<1.0 MB]

Principal cities of New England city and town areas (NECTAs)

xls Mar. 2020 [<1.0 MB]
xls Sep. 2018 [<1.0 MB]
xls Apr. 2018 [<1.0 MB]
xls Aug. 2017 [<1.0 MB]
xls Jul. 2015 [<1.0 MB]
xls Feb. 2013 [<1.0 MB]
Table
Historical Delineation Files
Metropolitan, micropolitan, and related statistical area historical delineation files are available here.

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