SVI Changes Over Time

Timeline showing CDC/ATSDR SVI changes over four years in 2000, 2010, 2014, and 2020.
The timeline above shows CDC/ATSDR SVI has changed four times over the years.
2000
  • Census tract data only
  • Nationwide comparison only
  • Data derived from the U.S. Census Bureau decennial census long form
  • 15 variables used
2010
  • County and census tract data
  • Statewide and nationwide data
  • Data derived from the decennial census and the 5-year American Community Survey (ACS)
  • 14 variables used (disability data were not collected by the Census Bureau at the tract level rom either the 2010 Census or the 2006-2010 ACS)
2014
  • County and census tract data
  • Statewide and nationwide data
  • Data derived from the 5-year ACS only
  • 15 variables used (disability data were available and added back in)
2020
  • County and census tract data
  • Statewide and nationwide data
  • Data derived from the 5-year ACS only
  • 16 variables used (100% poverty was replaced by 150% poverty, no health insurance was added, housing cost burden was added, income was removed)