i Counting for Dollars 2020, The Role of the Decennial Census in the Geographic Distribution of Federal Funds Report #2: Estimating Fiscal Costs of a Census Undercount to States,
ii Consequences of the Young Child Undercount in The 2010 Decennial Census by State https://countallkids.org/resources/consequences-of-young-child-undercount-by-state/.
iii KIDS COUNT Data Book 2018 http://www.aecf.org/m/resourcedoc/aecf-2018kidscountdatabook-2018.pdf citing U.S. Census Bureau, 2012–16 American Community Survey.
iv 100 Largest Cities (Places) Ranked by Number of Children Under Age 5 Living in Hard to Count Census Tracts https://countallkids.org/wp-content/uploads/2018/10/100-Largest-Cities-Number-Children-Under-5-HTC-Census-Tracts.pdf.
v O’Hare, W.P. (2015). The Undercount of Young Children in the U.S. Decennial Census, Springer Publishers.