Learn more about issues impacting the American Community Survey, including design, collection, production, and data release. The notes are sorted by data collection year(s). If the user note pertains to multiple years, the note will appear in the tab for each year.
2019 ACS 1-Year PUMS with Experimental Weights
Learn more about the public-use experimental weight file for 2019 with the weights and identifiers needed to merge the weights to the 2019 ACS PUMS files.
Use of Auxiliary Data to Predict Housing Unit Status and Improve the Quality of ACS Data Impacted by the Pandemic