Sources
- Jewish population — American Jewish Year Book 2023 / Berman Jewish DataBank
- Antisemitism incidents — ADL Audit of Antisemitic Incidents (2024, 2025)
- Hate crime data — FBI Uniform Crime Reports
- Federation capacity indicators — JFNA Annual Report / local 990 filings
- Security posture — Secure Community Network (SCN) regional assessments
- Universities — Hillel International "Find a Hillel" directory (self-reported Jewish student enrollment, 559 campuses); campus antisemitism climate grades from ADL's Campus Antisemitism Report Card, confirmed via press coverage for a subset of campuses (21 of 559) — not a full audit
Value score — campus bonus
Federations hosting a university with meaningful Jewish enrollment get a strategic-leverage bonus of up to 10 points, scaled to the square root of total Jewish student population across all matched campuses in their territory (diminishing returns — a flagship campus doesn't dominate the score). Campus location is matched to the nearest federation by straight-line distance, the same approximation method used for the isolation_mi metric; 21 campuses had no federation within the dataset and are shown on the map as coverage gaps, not scored.
Vulnerability score (rebuilt 2026-07-06)
0–100 composite index across 7 weighted factors, each ranked among all 145 federations to avoid outliers (e.g. UJA-NY's population) distorting everyone else's score: population sparsity 25%, ADL incident level + 2025 YoY trend (blended) 20%, federation size/capacity 15%, territory served (area/40,000 sq mi, capped) 15%, low Jewish density 15%, university exposure 6% (scaled to Jewish student population in territory, plus a penalty for any campus with a disclosed D/F antisemitism climate grade), capital-city profile 4%. Priority thresholds are recalibrated, not fixed, so the same number of federations land Critical/High as before the rebuild — the ranking's shape is preserved even as the underlying formula changed. Scores are research estimates; treat as directional, not definitive.
Priority tiers (recalibrated to preserve prior tier sizes: 26 Critical, 36 High, 28 Moderate, 55 Lower)
Critical (≥59.5) · High (47.8–59.4) · Moderate (39.3–47.7) · Lower (<39.3).
Value score — capital-city bonus added 2026-07-06: federations headquartered in a state/provincial/federal capital get a flat +4 on top of the existing growth, territory/isolation, and university bonuses.
Isolation — two distances, on purpose (added 2026-07-06)
The Isolation row measures distance to the nearest federation with ≥25,000 Jews — a threshold meant to capture substantial Jewish infrastructure (day schools, kosher options, security resources), not just the nearest neighbor. That means a real, sizeable community just under the line gets skipped: San Antonio's Isolation reads "189 mi to Houston," even though Austin (20,000 Jews) sits only 74 miles away. To keep this transparent rather than silently skip it, every popup now also shows Nearest federation: the closest federation of any size, no threshold. The two numbers are meant to be read together, not as a contradiction.
Last updated: June 2026 · Research: Enrico Ravenna (JFAR) & Jessie Dowsakul (Columbia Jewish Federation)