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

Vintage 2020

Nation, States, Counties, and Puerto Rico Population

pdf Methodology [<1.0 MB]
pdf Release Notes [<1.0 MB]

Vintage 2019

Nation, States, Counties, and Puerto Rico Population

pdf Methodology [<1.0 MB]
pdf Release Notes [< 1.0 MB]

City and Town Population

Incorporated Places and Minor Civil Divisions

pdf Methodology [<1.0 MB]

Housing Units

pdf Methodology [<1.0 MB]

Intercensal Estimates

2000-2010 Intercensal Estimates

pdf Methodology [<1.0 MB]

1990-2000 Intercensal Estimates

pdf Methodology [<1.0 MB]

Demographic Analysis

2020 Demographic Analysis Estimates

pdf Methodology [<1.0 MB]

2010 Demographic Analysis Estimates

pdf Methodology [<1.0 MB]

Modified Race Summary Files

2010 Modified Race Data Summary File

pdf Methodology [<1.0 MB]

2000 Modified Race Data Summary File

Other Methodology Statements

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