Social Data Commons: Material Deprivation (v2.0.0)

Overview

Townsend Material Deprivation Index for Virginia census tracts, counties, and health districts. Combines four ACS-derived indicators — unemployment rate, overcrowding, non-car ownership, and non-home ownership — into a z-score composite rescaled to 0–1, where higher values indicate greater material deprivation. This dataset is produced by the Social Data Commons at the University of Virginia as part of the Material Deprivation data pipeline.

Provenance

Based on the Townsend Material Deprivation Index (Townsend, Phillimore & Beattie, 1988), originally developed for the UK Census to measure area-level material deprivation. This pipeline adapts the methodology for U.S. Census ACS variables. The four component indicators (unemployment, overcrowding, non-car ownership, non-home ownership) are computed from ACS 5-year estimates, z-scored within year and geography level, summed, z-scored again, and min-max rescaled to [0, 1]. The VDH Health Opportunity Index includes a similar adaptation of the Townsend index as one of its 13 indicators.

Coverage

Temporal coverage: 2015–2024 (ACS 5-year estimates)

Geographic levels: County, Tract

Coverage areas: National Capital Region (DC metro), Virginia (statewide)

Methodology

The Material Deprivation Index captures the extent to which a community lacks basic material resources — stable employment, adequate housing space, vehicle access, and home ownership. Communities with high deprivation scores face compounding disadvantages: unemployment limits income, overcrowding increases disease transmission and stress, lack of vehicle access restricts mobility, and renting reduces wealth accumulation. The index is scaled from 0 (least deprived) to 1 (most deprived) and serves as a key input to the VDH Health Opportunity Index, where it contributes to the Consumer Opportunity profile.

Source Tables

ACS 5-Year Estimates, Tables B23025 (Employment Status), B25014 (Tenure by Occupants per Room), B25044 (Tenure by Vehicles Available), and S2502 (Demographic Characteristics for Occupied Housing Units)

Variables

B23025_002: Adult Pop

B23025_005: Unemployed

B25014_001: Occupancy All

B25014_005: Occupant 1 Plus Per Room Owner

B25014_006: Occupant 1 5 Per Room Owner

B25014_007: Occupant 2 Plus Per Room Owner

B25014_011: Occupant 1 Plus Per Room Renter

B25014_012: Occupant 1 5 Per Room Renter

B25014_013: Occupant 2 Plus Per Room Renter

B25044_001: Households Total

B25044_003: Hh Owner No Vehicle

B25044_010: Hh Renter No Vehicle

S2502_C01_001: All Occupied Units

S2502_C05_001: Renter Occupied Units

Measures (1)

Note on naming conventions: Measures containing _geo20 are computed using 2020 Census geographic boundaries.

material_deprivation_indicator_geo20: Material Deprivation Indicator (mean) Townsend Material Deprivation Index (0-1) combining unemployment, overcrowding, non-car ownership, and non-home ownership.

Data Sources

U.S. Census Bureau (accessed 2025)

File Format

Data files are provided as CSVs (.csv) with the following columns: geoid, region_type, region_name, year, measure, value, moe (margin of error, where available). Larger files are provided as xz-compressed CSVs (.csv.xz).