Chicago Food Desert
D3 Explorer
Cook County · 800+ tracts · USDA Food Atlas 2019 · CS418
18.4%
Food deserts
$20.7k
Income gap
K=4
Clusters
0.871
Best AUC
Click cluster → highlight · Hover tract → stats · Toggle map mode top-right
Cluster View
DBI Heatmap
Food Desert
K-Means Cluster
Cluster 0 · Severely Disadvantaged
Cluster 1 · Moderate Access
Cluster 2 · Most Affluent
Cluster 3 · High FD Rate
Food Desert Tract (brighter)
Digital Barrier Index
Low barrier
High barrier
DBI = −broadband + seniors
+ SNAP reliance + no vehicle
Income Threshold Explorer
$50,000
threshold
SNAP Participation · Cook County 2015→2025
K-Means Clusters (K=4) — click to filter map
Select a cluster or hover a tract
Click a cluster bubble
to highlight
matching tracts on the map.
Hover any tract
to see its stats.
Top-right buttons
toggle between
Cluster / DBI Heatmap / Food Desert views.