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O'Fallon, IL

Frequently asked questions

O'Fallon, IL

O'Fallon is a city in St. Clair County, Illinois, United States. The 2020 census listed the population at 32,289. The city is the second largest city in the Metro East region of the St. Louis metropolitan area and Southern Illinois. It sits 5 miles (8.0 km) from Scott Air Force Base and 18 miles (29 km) from Downtown St. Louis. 

Like its namesake in St. Charles County, Missouri, O'Fallon is part of the St. Louis metro area. This makes O'Fallon (along with the two Troys in Illinois and Missouri) one of the few pairs of like-named municipalities to be part of the same metro region.

O'Fallon is located at 38°35′N 89°54′W (38.591549, −89.912000). O'Fallon is 5 mi (8.0 km) from Scott Air Force Base, 10 mi (16 km) from McKendree University, and 17 mi (27 km) from St. Louis, Missouri. According to the 2010 census, the city has a total area of 14.48 square miles (37.5 km²), of which 14.35 square miles (37.2 km²) (or 99.10%) is land and 0.12 square miles (0.31 km²) (or 0.83%) is water.

Founded in 1854, O'Fallon's namesake comes from Colonel John O'Fallon who was a wealthy gentleman from St. Louis. In downtown O'Fallon, a Baltimore and Ohio Railroad railroad depot was built, which helped put O'Fallon on the map. City lots were platted and sold at a public auction on May 18, 1854. A post office was established the following year and the city began attracting German settlers looking for fertile farming land. On January 27, 1874, O'Fallon was incorporated as a village. On March 14, 1905, the citizens voted for a change to the city form of government. Since its founding, O'Fallon has gained population every decennial census year except 1930, when the census showed a net loss of six residents.

The city center is approximately two miles east of the intersection of Interstate 64 and U.S. Route 50. Suburban growth in O'Fallon expanded considerably during the 1980s and following the expansion of Interstate 64 in the 1990s. Subdivisions include Thornbury Hill, Nolin Creek Estates, Fairwood Hills, Deer Creek, Forest Hills, and Fairwood East. O'Fallon Township High School's main campus at 600 South Smiley Street has undergone numerous additions over the past decades to ease overcrowding, including the creation of the separate 9th-grade Milburn Campus.

O'Fallon is dedicated to its residents' health and wellness, with an emphasis on fostering a healthy lifestyle. For quality healthcare, St. Elizabeth's Hospital is a cornerstone of the community, ensuring accessible medical services. Explore the parks, facilities, and programs offered by the O'Fallon Parks and Recreation Department. These spaces provide opportunities for outdoor activities such as walking, jogging, sports, and picnicking. Join local fitness centers and gyms to participate in exercise programs, fitness classes, and strength training. Some popular options include 9Round Fitness, Fitness Zone, and F45 Training. Discover the walking and biking trails in and around O'Fallon, such as the Rock Springs Park Prairie Loop and the St Ellen Mine Trail. These trails offer opportunities for outdoor exercise and the enjoyment of nature.

Top sites in O'Fallon, IL are O'Fallon Historical Society Museum, O'Fallon Community Park, and O'Fallon Family Sports Park.

Population: 32,169 (2024). ZIP code: 62269. Area code: 618. Elevation: 541 ft (165 m). Area: 15.71 sq mi (40.67 km²).

FAQs

How did O'Fallon, IL get its name?

Capt. O’Fallon gave himself the title of colonel, which his contemporaries embraced. He was a significant and active member of Missouri’s slave-owning community, according to a study on slavery by Washington University in St. Louis. O’Fallon had connections to the railroad’s development in the area, playing a role in naming the town after himself. He also collaborated with the railroad town of O’Fallon, Illinois. It was initially named O’Fallon Station after him, with the “Station” later dropped from its name.

Is O'Fallon, IL a good place to live?

O'Fallon is in St. Clair County and is one of the best places to live in Illinois. Living in O'Fallon offers residents a sparse suburban feel and most residents own their homes. In O'Fallon there are a lot of restaurants and parks. Many families and young professionals live in O'Fallon and residents tend to have moderate political views. 

Is O'Fallon, IL safe?

The crime rate in O'Fallon is considerably higher than the national average across all communities in America from the largest to the smallest, although at 15 crimes per one thousand residents, it is not among the communities with the very highest crime rate. The chance of becoming a victim of either violent or property crime in O'Fallon is 1 in 66. Based on FBI crime data, O'Fallon is not one of the safest communities in America. Relative to Illinois, O'Fallon has a crime rate that is higher than 82% of the state's cities and towns of all sizes.

Sources

Wikipedia

City of O'Fallon 

St. Elizabeth's Hospital

O'Fallon Parks and Recreation Department

9Round Fitness

Fitness Zone

F45 Training

Rock Springs Park Prairie Loop 

St Ellen Mine Trail

O'Fallon Historical Society Museum

O'Fallon Community Park

O'Fallon Family Sports Park

Fox2now

Niche

Neighborhoodscout

The content herein is provided for general informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Medical information changes constantly, and therefore the content on this website should not be assumed to be current, complete or exhaustive. Always seek the advice of your doctor before starting or changing treatment. If you think you may have a medical emergency, please call your doctor or 9-1-1 (in the United States) immediately.