William P. O’Hare
President, O'Hare Data and Demographic Services LLC
Featured News & Insights
- Insights
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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
- Article
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Maps. 12 County Maps with Captions for Undercount Risk for Children Under Age 5
Our analysis focuses on the factors that are most closely associated with the net undercount of children in the census, based on the Census Bureau’s Revised 2018 Experimental Demographic Analysis Estimates.

- Article
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Report. Predicting Tract-Level Net Undercount Risk for Young Children (2020)
Our analysis focuses on the factors that are most closely associated with the net undercount of children in the census, based on the Census Bureau’s Revised 2018 Experimental Demographic Analysis Estimates.

- Article
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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.

- Interactive
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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.

- Article
resource
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.

- Article
resource
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.
