This section contains information concerning how the U.S. Census Bureau collects data and how the published data were generated. Select the appropriate topic below for information on the sampling frame, collection periods, collection methods, editing, imputation, sampling error, response rates, and nonsampling error.

Population of Interest - Description of sampling frame

Data Collection - Collection period and methods

Data Processing - Editing, imputation, and sampling error

Data Quality - Response rates and nonsampling errors