Vulnerability Index Census Tract 2021
Fairfax County
Updated Oct 8, 2026
About this dataset
The Vulnerability Index is comprised of scores from the following indicators from the American Community Survey 2017 –2021 data.
Low-income Occupations (Population in occupations making only 2/3 of the median income) Table S2401
Low English-Speaking Ability Table B16004
Low Educational Attainment Table B15003
Median Household Income Table B19013
Households without a Vehicle Table B25044
Population without Health Insurance Table S2701
Homeownership Table B25003
Severely Cost-Burdened Renters Table B25070
Methodology: Calculated percent of each variable included in the index, used natural breaks with 5 classes to assign scores of 1 - 5 for each census tract, with 5 being the most vulnerable. Combined scores of all variables to create the index (no weighting was applied).
Contact: Office of the County Executive
Data Accessibility: Publicly Available
Update Frequency: Annually
Last Revision Date: 5/30/2024
Creation Date: 5/30/2024
Layer Name: CEXMGR.VULNERABILITY_INDEX_CENSUS_TRACT_2021
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