2025 GSA Per Diem Rates for Warren County, Illinois
Note: These per diem rates are for next year. Click here to view 2024 per diem rates.
Warren County Per Diems for December 2025:
Lodging:
$110.00 / nightMeals & Incidentals:
$68.00 / dayThese per diem rates are set by the GSA and are used by Federal and local governments as well as many private-sector companies to reimburse employees for business travel expenses incurred within Warren County, Illinois (county borders are highlighted on the Illinois map).
Generally, you will be entitled to one Lodging per-diem of up to $110.00 to cover your actual hotel costs and one Meals & Incidentals per-diem payment of $68.00 to cover food and incidentals like parking costs for each full day of travel within Warren County. 75% of the normal M&IE per diem rates are generally issued for your first and last days of travel.
Click to Find a Per-Diem Rate Hotel in Illinois
Cities in the Warren County Per Diem Area
In the Continental United States (CONUS), per diems are assigned on a county-by-county basis. These rates apply to all cities, towns, and other areas that fall within the borders of Warren County.
The Warren County per diem rates listed on this page apply to business travel in the following cities: Cameron Little York Kirkwood Monmouth Warren County Roseville Alexis and other unincorporated areas within Warren County boundaries.