Laura, Library: Carnegie Library 108 3rd St. NE Little Falls, MN (320)632-9676 Sheriff's Office: Apparently there is none in Little Falls; however, if you will go to: www.four11.com you can click on yellow pages, enter Little Falls, MN, click on continue and type in Sheriff's Office and there will be a listing of about 6--the closest office being about 50 miles away. Max