Knoxville is a borough in northwestern Tioga County, Pennsylvania, United States.

Among the businesses operating that year were bakeries, barbershops, a bicycle store, multiple blacksmith operations, a book and stationary store, bootmakers and shoemakers, a brick, lime and cement manufacturer, a bridge builder, a building mover, multiple independent carpenters, a carpet weaver and carpet sellers, two carriage, sleigh and wagonmakers, a clothing store, two coal dealers, a confectioner, two crockery stores, nine dressmakers, one drug store, two dry goods stores, two express agents, three furniture stores, two general merchandise stores, one grain dealer, one grist mill, three grocers, two hardware stores, two harnessmakers, three hotels, three insurance agents, two jewelers, a laundry, two lawyers, one livestock breeder and one poultry retailer, one livery, sale and horse boarding stable, one marble and granite plant, one mason, one music teacher, one newspaper, one nickel plating operation, one optician, four painters and paper hangers, two paint and oil artists, four physicians, two plumbers, one printer, two produce dealers, two railroad agents, one restaurant, one roofer, one sash door and blind retailer, one sawmill, two sewing machine retailers, one stove and tinware retailer, one surveyor, one telegraph agent, eight tobacco growers, two undertakers, and one wallpaper hanger.

[6] According to the United States Census Bureau, the borough has a total area of 0.5 square miles (1.3 km2), all of it land.

The racial makeup of the borough was 99.68% White, 0.16% Native American, and 0.16% from two or more races.

26.0% of all households were made up of individuals, and 12.4% had someone living alone who was sixty-five years of age or older.