O'Fallon, Missouri
O'Fallon is a city of 93,801 people in St. Charles County, Missouri, founded in 1856.
Why visit O'Fallon
Townapedia lists 3 museums and landmarks, 45 parks and trails, 113 places to eat, 11 places to stay and 4 attractions in and around town.
Highlights include Mushrooms Naturally, Marcus Town Square, St. Mary's Institute of O'Fallon and Veterans Memorial Walk.
July is the warmest month, with average highs of 88°F; January lows average 21°F.
Weather in O'Fallon
Forecast from the National Weather Service. Full forecast
About O'Fallon
O'Fallon is a city in St. Charles County, Missouri, United States. It is part of the St. Louis metropolitan statistical area, along Interstates 64 and 70 between Lake St. Louis and St. Peters. As of the 2020 census, O'Fallon had a population of 91,316, making it St. Louis's most populous suburb as well as the most populous municipality in St. Charles County and the 7th-most populous in Missouri. O'Fallon's namesake in St.
From the Wikipedia article O'Fallon, Missouri (this version), under CC BY-SA 4.0.
Things to do4
Mushrooms Naturally
Farm and orchard · 2.7 mi
1417 Hoff Industrial Drive, O'Fallon
Mo-Fr 09:00-16:00; Sa 09:00-14:00
Museums and landmarks3
St. Mary's Institute of O'Fallon
Monument and historic site · National Register of Historic Places · 2.6 mi
Parks, trails and playgrounds45
College Meadows Park
Park · 4.3 mi
County Park with a Fitness Trail and a 9-hole disc golf course.
4601 Mid Rivers Mall Drive, Saint Peters
Su-Sa 07:00-(sunset+00:30)
Ozzie Smith Sports Complex
Park · 3.5 mi
76-acre property features 7 lighted baseball/softball fields, a minor league ballpark & concessions.
900 TR Hughes Boulevard, O'Fallon
Mo-Su 06:00-23:00
August A Busch Memorial Conservation Area
Hiking and trails · 4.4 mi
2360 Highway D, St. Charles
Su-Sa 04:00-22:00
33 more on the map.
Restaurants and cafes113
Las Margaritas
Restaurant · Mexican · 4.4 mi
Since 2015, Las Margaritas has proudly served O’Fallon, MO with authentic Mexican cuisine made from fresh ingredients and bold flavors....
1165 Technology Drive, O'Fallon
Su-Th 11:00-21:00, Fr-Sa 11:00-22:00
Buffalo Wild Wings
Restaurant · Wings · 1.2 mi
2352 Highway K, O'Fallon
Mo-Th 11:00-24:00, Fr,Sa 11:00-01:00, Su 11:00-23:00
Crazy Bowls & Wraps
Diner · American · 1.1 mi
2119 Highway K, O'Fallon
Mo-Sa 10:30-21:00; Su 11:00-20:00
Dos Primos
Restaurant · Mexican · 3.0 mi
624 North Main Street, O'Fallon
Mo-Sa 11:00-22:00; Su 11:00-21:00
Ethyl's Smokehouse
Diner · American · 2.1 mi
8505 Veterans Memorial Parkway, O'Fallon
Mo-Sa 11:00-01:00, Su 11:00-24:00
LongHorn Steakhouse
Restaurant · Steak House · 1.2 mi
2102 Highway K, O'Fallon
Su-Th 11:00-22:00; Fr,Sa 11:00-23:00
Nancy's Pizzeria
Restaurant · Pizza · 1.2 mi
2007 Highway K, O'Fallon
Mo-Th 16:00-22:00; Fr-Su 11:00-22:00
New China
Restaurant · Chinese · 3.0 mi
620 North Main Street, O'Fallon
Mo off; Tu-Th 11:00-21:00; Fr,Sa 11:00-21:30; Su 12:00-21:00
O'Charley's
Diner · American · 1.2 mi
2204 Highway K, O'Fallon
Su 10:00-22:00; Mo-Th 11:00-22:00; Fr,Sa 11:00-23:00
Andy's Frozen Custard
Ice cream · 1.7 mi
2892 State Highway K, O'Fallon
Su-Th 11:00-23:30; Fr-Sa 11:00-24:00
101 more on the map.
History
O'Fallon was founded in 1856 by Nicholas Krekel. The community was named by Krekel's older brother, Judge Arnold Krekel, after John O'Fallon, the president of the North Missouri Railroad. A post office called O'Fallon has been in operation since 1859 with Nicholas Krekel as first postmaster. The St. Mary's Institute of O'Fallon was listed on the National Register of Historic Places in 2007.
In 2006, Money magazine named O'Fallon 39th in its "Best 100 Places to Live". The magazine also ranked O'Fallon 68th out of 100 in 2008, 26th out of 100 in 2010, and 42nd out of 100 in 2017.
From the History section of O'Fallon, Missouri on Wikipedia, under CC BY-SA 4.0.
Where to stay11
Sleep Inn & Suites O'Fallon Mo - Technology Drive
Motel and hotel · 4.3 mi
1147 Technology Drive, O'Fallon
Holiday Inn Express & Suites St. Louis West-O'Fallon
Motel and hotel · 4.4 mi
1175 Technology Drive, O'Fallon
Lakeview Inn
Motel and hotel · 2.9 mi
10600 Veterans Memorial Pkwy, Lake Saint Louis
Staybridge Suites Ofallon Chesterfield
Motel and hotel · 4.4 mi
1155 Technology Drive, O'Fallon
Churches and places of worship25
Saint Joseph Catholic Church of Cottleville
Church · Roman Catholic · 4.5 mi
1355 Motherhead Road, Cottleville
The Crossings Church
Church · Nondenominational · 4.0 mi
1147 Tom Ginnever Avenue, O'Fallon
Shopping20
Gas and EV charging22
Schools, colleges and libraries70
Healthcare13
SSM Health Saint Joseph Hospital - Lake Saint Louis
Hospital · 3.3 mi
100 Medical Plaza, Lake Saint Louis
Map of O'Fallon
250 places. The map loads OpenStreetMap tiles when you open it.
Climate by month
Monthly table
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| Jan | 39°F | 21°F | 2.6 in | 4.1 in |
| Feb | 45°F | 24°F | 2.4 in | 3.7 in |
| Mar | 55°F | 33°F | 3.7 in | 1.7 in |
| Apr | 67°F | 44°F | 4.7 in | 0.2 in |
| May | 76°F | 54°F | 5.1 in | 0.0 in |
| Jun | 84°F | 63°F | 4.7 in | 0.0 in |
| Jul | 88°F | 67°F | 3.9 in | 0.0 in |
| Aug | 87°F | 65°F | 3.6 in | 0.0 in |
| Sep | 80°F | 57°F | 3.5 in | 0.0 in |
| Oct | 68°F | 46°F | 3.4 in | 0.0 in |
| Nov | 55°F | 35°F | 3.7 in | 0.8 in |
| Dec | 44°F | 26°F | 3.1 in | 3.0 in |
U.S. Climate Normals 1991-2020 for Weldon Spring Nws (6 mi away), NOAA NCEI.
People and cost of living
American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.
Disaster history
St. Charles County has had 18 federal disaster declarations since 2000, most often for severe storms.
- 2022-08-08: Severe Storms And Flooding (Flood)
- 2020-03-26: Covid-19 Pandemic (Biological)
- 2020-03-13: Covid-19 (Biological)
- 2019-07-09: Severe Storms, Tornadoes, And Flooding (Severe Storm)
- 2016-01-21: Severe Storms, Tornadoes, Straight-Line Winds, And Flooding (Flood)
- 2016-01-02: Severe Storms, Tornadoes, Straight-Line Winds, And Flooding (Flood)
OpenFEMA disaster declarations summaries.
Getting there and nearby towns
Spirit of Saint Louis Airport (SUS) is the nearest airport with scheduled flights listed in OpenStreetMap, 9 miles away.
- Dardenne Prairie 3 mi south, about 4 min by car
- Lake St. Louis 3 mi west, about 6 min by car
- Chesterfield 11 mi southeast, about 18 min by car
- Maryland Heights 14 mi east, about 23 min by car
- Ellisville 15 mi southeast, about 24 min by car
- Ballwin 16 mi southeast, about 25 min by car
- Bridgeton 16 mi east, about 26 min by car
- Creve Coeur 17 mi southeast, about 27 min by car
- Hazelwood 18 mi east, about 28 min by car
- Manchester 18 mi southeast, about 29 min by car
Drive times are estimates from straight-line distance, not routes.
Local news
Headlines from INDB, the NEMICO news database.
Reviews, tips and questions
Loading what members have shared...
Sources and licences
- NCES EDGE (Public domain): public schools
- NOAA NCEI U.S. Climate Normals 1991-2020 (Public domain): climate by month
- OpenFEMA (Public domain): disaster declarations
- OpenStreetMap contributors (ODbL 1.0): places, airports, map data
- U.S. Census Bureau (Public domain): population, income, housing, education, commute
- Wikidata (CC0 1.0): elevation, founding date, time zone, website, landmarks and historic places
- Wikimedia Commons (see each image): photos
- Wikipedia (CC BY-SA 4.0): overview and history text
Photo credits
- The St. Mary's Institute of O'Fallon, Jim Roberts, CC BY-SA 4.0
- ISS045-E-47771 - View of Earth, Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center, Public domain
- ISS045-E-47770 - View of Earth, Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center, Public domain
- Sales Training at Houston Homes, Houstonhomesmo, CC BY-SA 4.0
- Westhoff Grain and Mercantile Company, 9iner6, CC BY-SA 4.0
- 2016 Chrysler 200S, Ryanandlenny, CC BY-SA 4.0
- Pinback Buttons (52882786338), Robert Stinnett, CC BY 2.0
- Pride Buttons (51969207309), Robert Stinnett, CC BY 2.0
- Park Bench in O'Day Park, RuralResurrection, CC BY-SA 4.0
- Maaco center, Was113, CC BY-SA 3.0
- Lake Saint Louis, United States (Unsplash), Sean Stratton seanstratton, CC0
- Mrha 1 2016, Mike Caple, CC BY 3.0
- Mrha 6 2016, Mike Caple, CC BY 3.0
- Mrha 4 2016, Mike Caple, CC BY 3.0
- Mrha 3 2016, Mike Caple, CC BY 3.0
- Mrha 2 2016, Mike Caple, CC BY 3.0
- Mrha 5 2016, Mike Caple, CC BY 3.0
- Lake St Louis, MO, USA - panoramio (1), Eric Friedebach, CC BY 3.0
- Lake St Louis, MO, USA - panoramio, Eric Friedebach, CC BY 3.0
- Papillon dog, TuckTheNugget, CC BY-SA 4.0
- 44 Trapper, 44Trapper, CC BY-SA 4.0
- Papillon Dog Sitting, TuckTheNugget, CC BY-SA 4.0
- Rainbow, St. Charles Community College, Mitch Harden, CC BY-SA 2.0
- Campaign for change (3115797808), Pablo Manriquez, CC BY 2.0
- Obama campaign (3115797478), Pablo Manriquez, CC BY 2.0
- ISS045-E-47769 - View of Earth, Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center, Public domain
- ISS063-E-38031 - View of Earth, Earth Science and Remote Sensing Unit, NASA Johnson Space Center, Public domain
- ISS030-E-222863 - View of Earth, Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center, Public domain
- ISS030-E-222862 - View of Earth, Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center, Public domain
- ISS030-E-215388 - View of Earth, Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center, Public domain
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