"[6] Warrenton had its start in the 1830s as a planned community which was to hold the county seat.

[8] The United States Postal Service Post Office in Warrenton has been in operation since 1836.

[9] The Ernst Schowengerdt House and Warren County Courthouse and Circuit Court Building are listed on the National Register of Historic Places.

An athletic complex is home to little league soccer, baseball, softball, and tee ball.

Binkley Woods Park and Spectator Lake offer walking trails, fishing accessibility, a small playground and barbecue grills.

Dyer Park offers playgrounds, basketball hoops, and tennis courts, as well as an outdoor stage for concerts and other events.

Khoury Park has two baseball fields, basketball hoops, and a playground.

Morgan Park offers a tennis court, playground, sand volleyball area, and the Warrenton Pool.

The Belle Starr Theatre also holds several concerts and events each year.

Warrenton High School (part of the Warren County R-3 district) offers a variety of activities open to the public, including musicals, plays, band and choir concerts, and sporting events.

The festival includes German food, vendors of local handmade and artisan products, and other family activities.

Warrenton Fall Festival One Saturday in September, the city closes Main Street and hosts the Fall Festival, which includes a diverse group of street vendors, food trucks, kid's activities, a car show, and main stage music entertainment.

[12] The 2020 United States census[16] counted 8,429 people, 3,160 households, and 2,187 families in Warrenton.

Manufacturing consists of light industry, a copper foundry which is no longer run, and several quarries in the area.

The town's primary sources of external revenue are service facilities for travellers.

After closing, one of the campus buildings burned on February 17, 1957 killing 72 persons in the Warrenton Nursing Home Fire.