The region with the highest per-capita hit was Los Alamos, New Mexico, where nearly a fifth of the workforce is federally employed. The per-capita impact of the cuts there is $6,359.
The hardest-hit counties are all over the country. In Alaska, the Valdez-Cordova Census Area saw a per-capita impact of $6,336. In Bryan, Georgia, it was $5,553. The per-capita effect of sequestration was $4,581 in Geary, Kansas.
You can play around with the data on the Financial Times site.