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SAIPE Methodology
SAIPE Methodology
SAIPE revises and improves our methodology as time and resources allow. The details of the methodology differ slightly from year to year. The most significant change was between 2004 and 2005, when SAIPE began using data from the American Community Survey, rather than from the Annual Social and Economic Supplement to the Current Population Survey.
The SAIPE model has two distinct components:
- state and county estimates, and
- school district estimates.
School district estimates sum to county estimates, county estimates sum to state estimates, and state estimates sum to the national estimate.
Citation of Sources:
- 2022 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, December 2023, Project No. P-7502872 / Approval CBDRB FY24-0047.
- 2021 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, December 2022, Project No. P-7502872 / Approval CBDRB FY23-0057.
- 2020 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, December 2021, Project No. P-7502872 / Approval CBDRB FY22-012.
- 2019 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, December 2020, Project No. P-7502872 / Approval CBDRB FY20-328.
- 2018 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, December 2019, Project No. P-7502872 / Approval CBDRB FY19-463.
- 2017 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2018, Project No. P-6000588 / Approval CBDRB FY18-316.
- 2016 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2017, Project No. P-6000588.
- 2015 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2016, Project No. P-6000588.
- 2014 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2015, Project No. P-6000588.
- 2013 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2014, Project No. P-6000588.
- 2012 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2013, Project No. P-6000588.
- 2011 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, December 2012, Project No. P-6000588.
- 2010 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2011, Project No. P-6000588.
- 2009 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, April 2011, Project No. P-6000588.
- 2008 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, October 2009, Project No. P-6000588.
- 2007 SAIPE: U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE) Program, November 2008, Project No. P-6000588.
2022 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2022 relative to the procedures used for 2021.
2021 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2021 relative to the procedures used for 2020.
2020 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2020 relative to the procedures used for 2019.
2019 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2019 relative to the procedures used for 2018.
2018 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2018 relative to the procedures used for 2017.
2017 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2017 relative to the procedures used for 2016.
2016 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2017 relative to the procedures used for 2016.
2015 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2015 relative to the procedures used for 2014.
2014 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2014 relative to the procedures used for 2013.
2013 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2013 relative to the procedures used for 2012.
2012 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2012 relative to the procedures used for 2011.
2011 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2011 relative to the procedures used for 2010.
2010 - 2022 County-Level Estimation Details
For the 2010 estimates, the only change in methodology was the incorporation of population estimates based on the decennial 2010 counts.
2010 - 2022 Overview of School District Estimates
This page describes statistical and geographic inputs to the SAIPE programs estimation of school district-level poverty for children ages 5 to 17 in families.
2010 - 2022 State-Level Estimation Detail
View state estimation model details and changes for the years 2010-2022.
2010 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2010 relative to the procedures used for 2009.
2006 - 2009 County Estimation Details
For an overview of the changes in methodology for the 2006 - 2009 estimates relative to the methodology for the 2005 estimates.
2006 - 2009 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2006-2009 relative to the procedures used for 2005.
2006 - 2009 Overview of School District Estimates
This page describes statistical and geographic inputs to the SAIPE estimation of school district-level poverty for children ages 5 to 17 in families.
2006 - 2009 State Estimation Details
View state estimation model details and changes for the years 2006-2009.
2005 County Estimation Details
For an overview of the changes in methodology between the 2005 and 2004 estimates.
2005 Estimation Procedure Changes
View changes in the estimation procedures used for school district, county, and state poverty estimates for 2005 relative to the procedures used for 2004.
2005 Overview of School District Estimates
This page describes statistical and geographic inputs to the SAIPE estimation of school district-level poverty for children ages 5 to 17 in families.
2005 State Estimation Details
View state estimation model details and changes for 2005.
2004 County Estimation Details
There have been no changes in methodology since the 2000 release
2004 Estimation Procedure Changes
The following items represent changes in the estimation procedures used for state income and poverty estimates for 2004 from the procedures used for 2003.
2004 Overview of School District Estimates
This page describes statistical and geographic inputs to the SAIPE estimation of school district-level poverty for children ages 5 to 17 in families.
2004 State Estimation Details
View state estimation model details and changes for 2004.
2003 County Estimation Details
There have been no changes in methodology since the 2000 release.
2003 Estimation Procedure Changes
The following shows changes in the procedures used for state and county income and poverty estimates for 2003 from the procedures used for 2001 and 2002.
2003 Overview of School District Estimates
This page describes statistical and geographic inputs to the SAIPE estimation of school district-level poverty for children ages 5 to 17 in families.
2003 Poverty Estimation Procedure for Puerto Rico
The estimates are based on data from the Family Income Survey.
2003 State Estimation Details
View state estimation model details and changes for 2003.
2001 - 2002 County Estimation Details
The 2001 and 2002 state and county estimates of poverty and income were released December 6, 2004
2001 - 2002 Estimation Procedure Changes
The following items represent changes in the procedures of state and county income and poverty estimates from the 2000 estimates to the ones for 2001 and 2002.
2001 - 2002 Overview of School District Estimates
This page describes statistical and geographic inputs to the SAIPE estimation of school district-level poverty for children ages 5 to 17 in families.
Page Last Revised - May 14, 2024
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