The following provides an overview of the data sources and methodology in this chapter. Please see the specific downloadable files for more details about the specific data and methodologies used.
Population: US Census Bureau, Decennial Census and Population Estimates Program (PEP).
Where Adults and Children Live: US Census Bureau, American Community Survey, ACS 1-Year Public Use Microdata Sample files (2019, 2021, 2022)
Student-level enrollment and home addresses: SY2013-14 through SY2023-24 OSSE audited enrollment. The following audited enrollment business rules were applied to the audited enrollment files for SY17-18 through SY23-24: 1) The universe of DCPS students include audited UPSFF residents + Non-resident tuition paying + Residency unverified and 2) The universe of public charter students include audited UPSFF residents. Student level data was geocoded by the Office of the Chief Technology Officer with all District-appropriate neighborhood geographies and DCPS boundary rights from the Electronic Boundary Information Rights appended to each student. Home addresses reflect students’ residences provided at the time of registration. Registration can occur between the spring prior to the start of the school year up until the enrollment audit, approximately October 5th of the current school year.
Births: 1990-2006 from KIDS COUNT; 2007-2009 and 2011-2014 from the National Center for Health Statistics (NCHS), Division of Vital Statistics, Natality public-use data; 2010 and 2015-2022 from Natality Data, Vital Records Division, Center for Policy, Planning and Evaluation, DC Department of Health
Race and Ethnicity of Adults and Children: US Census Bureau, Decennial Census and Population Estimates Program (PEP).
Private school enrollment: U.S. Census Bureau 2010, 1-Year American Community Survey Estimates 2011-2022
Forecasted population: DC Office of Planning Forecasts