Methodology

These documents describe the input data, methodology, and processes for the creation of population and housing unit estimates for the listed geographies.

Vintage 2021

Nation, States, Counties, and Puerto Rico Population

Methodology [< 1.0 MB]

Release Notes [< 1.0 MB]

Vintage 2020

Vintage 2019

Nation, States, Counties, and Puerto Rico Population

Methodology [<1.0 MB]

Release Notes [< 1.0 MB]

City and Town Population

Incorporated Places and Minor Civil Divisions

Methodology [<1.0 MB]

Housing Units

Methodology [<1.0 MB]

Release Notes [<1.0MB]

Intercensal Estimates

2000-2010 Intercensal Estimates

Methodology [<1.0 MB]

1990-2000 Intercensal Estimates

Methodology [<1.0 MB]

Demographic Analysis

2020 Demographic Analysis Estimates

Methodology [<1.0 MB]

2010 Demographic Analysis Estimates

Methodology [<1.0 MB]

Modified Race Summary Files

2010 Modified Race Data Summary File

Methodology [<1.0 MB]

2000 Modified Race Data Summary File

Methodology, File Layout, and Technical Documentation [<1.0 MB]

Other Methodology Statements

Methodology

2010-2020 Methodology Statements

Methodology

1990s Methodology Statements

Last Revised: December 20, 2021

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