Revision History

August 2020

Contextual variables now based on 2018 ACS 5-Year Summary File

August 13, 2019

IPUMS GeoMarker updated the source of the 10 contextual variables from the 2017 ACS 5-year Summary File to the 2018 ACS 5-year Summary File.

December 2019

Contextual variables now based on 2017 ACS 5-Year Summary File

December 18, 2019

IPUMS GeoMarker updated the source of the 10 contextual variables from the 2016 ACS 5-year Summary File to the 2017 ACS 5-year Summary File.