01
Primary - ICE arrests, detainers, removals
Deportation Data Project (FOIA)
713,464 individual ICE arrest records and 610K detainer requests covering Oct 2022 - Mar 2026, released via FOIA litigation.
Fields used
apprehension_methodapprehension_criminalitycase_threat_levelcase_status
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02
AAI Index input
HRSA Health Center Service Delivery Sites
Federally Qualified Health Center (FQHC) location counts used to compute the Administrative Accessibility Index per 100k residents.
Fields used
site_countstate_fipsservice_area
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03
Demographic controls
American Community Survey (ACS) 2022
Foreign-born share, poverty rate, and uninsured share used as state-level covariates.
Fields used
foreign_born_pctpoverty_rateuninsured_pct
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04
Policy controls
ILRC 287(g) & Sanctuary Tracker
287(g) agreement participation and state sanctuary policy designations, sourced from the Immigrant Legal Resource Center.
Fields used
has_287gsanctuary_status
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05
Cross-validation
TRAC Immigration
Independent FOIA-based ICE statistics used to cross-check pipeline composition trends and removal counts.
Fields used
pipeline_shareremoval_count
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06
Per-capita normalization
U.S. Census Bureau (state population)
Annual state population estimates used to convert raw counts into per-100k rates.
Fields used
pop_est
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