2024 Per Diem Rates Washington Dcm. Cities not appearing below may be located within a county for which rates are listed. Discover per diem rates for the district of columbia (washington, d.c.) to manage travel costs.

The per diem rates shown here are effective beginning october 2023. We establish the per diem rates for the continental united states (conus), which includes the 48 contiguous states and the district of columbia.