William P. O’Hare
President, O'Hare Data and Demographic Services LLC
Featured News & Insights
Understanding Who Was Missed in the 2010 Census
(2019) Researchers use two main measures to determine who was missed in the 2010 Decennial Census: omissions and net undercounts.
Featured Resources
Database. Child Undercount Risk Database (2020)
PRB identifies factors predicting where children under age 5 are more likely to be missed in the 2020 Census and develops a new undercount risk measure for young children.
Research Identifies New Strategies to Reduce Undercount of Young Children in U.S. 2020 Census
PRB identifies factors predicting where children under age 5 are more likely to be missed in the 2020 Census and develops a new undercount risk measure for young children.
Report. Understanding Who Was Missed in the 2010 Census
(2019) Researchers use two main measures to determine who was missed in the 2010 Decennial Census: omissions and net undercounts.
Report. What Factors Are Most Closely Associated With the Net Undercount of Young Children in the U.S. Census?
(2019) Our analysis focuses on the factors that are most closely associated with the net undercount of children in the census.
Population Bulletin, vol. 54, no. 3: America's Racial and Ethnic Minorities
(1999) The 20th century has witnessed the transformation of the United States from a predominately white population rooted in Western culture to a society with a rich array of racial and ethnic minorities.
