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O'Fallon Illinois Map

Explore O'Fallon, Illinois, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of O'Fallon, Illinois

How to Use This O'Fallon, Illinois Map

This interactive map shows the street layout and satellite imagery for O'Fallon, Illinois. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Illinois or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to O'Fallon.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	O'Fallon
State	Illinois (IL)
County	St. Clair County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	38.592272
Longitude	-89.911212
Population	32,289
Density	801.3 /km²
Incorporated	Yes
ZIP Code	62269
Area Code	217
County Seat	Belleville
School District	O'Fallon Township High School District 203

🌦 Goto O'Fallon Weather Page: O'Fallon, Illinois — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About O'Fallon, Illinois

O'Fallon is a locality in St. Clair County, Illinois, United States. It has a population of 32,289. The population density is 801.3 people per km². O'Fallon is located at 38.5923°N, 89.9112°W. It observes the Central Time (America/Chicago) timezone. O'Fallon is an incorporated locality. ZIP code: 62269.

O'Fallon emerges from the expansive Midwestern landscape as a place defined by the quiet persistence of its natural surroundings. It lies 15.9 miles west-northwest of Peoria, IL (from Peoria, IL: bearing 294°T), and is situated 5.3 miles east of Elmwood. Engle Creek flows steadily through the local terrain, carving a path that anchors the environment in a rhythm of seasonal change. To the west, the landscape opens into the expansive Ridge Prairie, where the horizon stretches wide under a vast, unencumbered sky. Residents often find solace in the greenery of O'Fallon Community Park, which serves as a central gathering space amidst the local woodland. During the stillness of dusk, the light catches the surface of Fairwood Lake, casting long, amber shadows across the water.

O'Fallon traces its roots to the early expansion of the region, evolving from a modest settlement into a hub of steady industry. The economy has historically benefited from its proximity to major transit corridors, fostering a blend of retail, professional services, and manufacturing sectors. Local commerce thrives on the labor of those who value stability and the methodical growth of their businesses. Throughout the years, the area has maintained a pragmatic character, balancing the demands of a modern workforce with the traditional values of the prairie. The steady pulse of daily work serves as the foundation for the prosperity that defines the current local landscape.

Cultural life in O'Fallon is shaped by a sense of neighborly connection and a shared appreciation for community traditions. The town calendar is marked by seasonal gatherings that draw people together to celebrate the specific character of the region. While the pace of life remains measured, the influence of notable figures like the Olympic athlete Jackie Joyner-Kersee has left a lasting impression on the spirit of local achievement. Residents often gather at prominent landmarks to observe the changing colors of the foliage, finding beauty in the simple transition of the year. Life here is defined by these small, recurring moments of connection that ground the inhabitants in their shared history.

Nearby Outdoor Places

O'Fallon Historical Society (Museum) — 0.0 mi, 182° S
Scenic Red Caboose (Attraction) — 0.0 mi, 221° SW
O'Fallon Community Park (Local Park) — 0.3 mi, 152° SE
O'Fallon Veterans Memorial (Monument) — 0.9 mi, 065° NE
Family Sports Park (Local Park) — 1.0 mi, 302° NW
Tamarack Country Club (Local Recreation) — 1.8 mi, 184° S
Swirc&D Open Space (Local Conservation Area) — 2.9 mi, 171° S
Lake View Memorial Gardens (Local Recreation) — 3.6 mi, 252° W
Golf Course (Park) — 3.8 mi, 133° SE
Historic Scott Gate (Monument) — 4.4 mi, 145° SE
Airlifter's Memorial (Monument) — 4.4 mi, 144° SE
Locust Hills Golf Course (Park) — 4.6 mi, 082° E
7 Gates of Hell: Gates 3 and 4 (Viewpoint) — 5.7 mi, 351° N
Green Root Gallery (Gallery) — 6.6 mi, 215° SW
Emma Kunz County Museum (Museum) — 6.8 mi, 212° SW
Big Red Shoe (Public Artwork) — 7.0 mi, 219° SW
Browns Mound (Historic Ruins) — 7.7 mi, 002° N
Cahokia Mounds State Historical Site (State Park) — 8.2 mi, 296° NW
Frank Holten State Park (State Park) — 9.0 mi, 264° W
Mound 55 (Historic Ruins) — 9.2 mi, 299° NW
Village Theatre (Theatre) — 10.5 mi, 262° W
Town & Country Motel sign (Attraction) — 12.8 mi, 335° NW
Mustang Corral (Attraction) — 12.9 mi, 335° NW
Edwardsville Arts Center (Arts Centre) — 14.0 mi, 346° N
Ralph Korte Stadium (Stadium) — 14.2 mi, 338° N
Bel Air drive in sign (Attraction) — 14.4 mi, 324° NW
Gateway Arch National Park (National Park) — 14.9 mi, 280° W · 85 acres
Granite City Cinema (Cinema) — 15.0 mi, 300° NW
Big Muddy National Fish And Wildlife Refuge (National Wildlife Refuge) — 21.0 mi, 322° NW · 32k acres
Middle Mississippi River National Wildlife Refuge (National Wildlife Refuge) — 31.6 mi, 229° SW · 16k acres

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