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Illiopolis Illinois Map

Explore Illiopolis, 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 Illiopolis, Illinois

How to Use This Illiopolis, Illinois Map

This interactive map shows the street layout and satellite imagery for Illiopolis, 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 Illiopolis.

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	Illiopolis
State	Illinois (IL)
County	Sangamon County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	39.853654
Longitude	-89.242029
Population	846
Density	482.5 /km²
Incorporated	Yes
ZIP Code	62539
Area Code	217
County Seat	Springfield
School District	Sangamon Valley Community Unit School District 9

🌦 Goto Illiopolis Weather Page: Illiopolis, Illinois — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Illiopolis, Illinois

Illiopolis is a locality in Sangamon County, Illinois, United States. It is a small community with a population of 846. The population density is 482.5 people per km². Illiopolis is located at 39.8537°N, 89.2420°W. It observes the Central Time (America/Chicago) timezone. Illiopolis is an incorporated locality. ZIP code: 62539.

Illiopolis stretches across a flat, expansive plateau where the horizon dissolves into an endless geometry of corn and soybean fields. It lies 15.3 miles west of Decatur, IL (from Decatur, IL: bearing 274°T), and is situated 19.4 miles east of Sherman. The air here holds the dry, heavy scent of turned earth, and in the quiet hours before dusk, the light turns a bruised gold that catches the edges of the distant Blind Horse Ridge. To the north, the landscape dips toward the quiet, moisture-laden corridor of Long Point Slough, which winds through the prairie grass like a silver needle. Only three miles away, the quiet surface of Calamus Lake mirrors the vast, unencumbered sky, offering a stillness that seems to expand until it brushes against the very limits of the fields.

Illiopolis emerged as a waypoint in the grand expansion of the interior, defined by the relentless progress of the rails that once dictated the pulse of Midwestern commerce. The local economy remains anchored to the soil and the industrial processing of the harvest, a cycle that dictates the rhythm of the seasons more surely than any clock. Residents often find their way to the Calamus Lake State Natural Area, where the native flora reclaims a portion of the land from the reach of the plow. Life in Illiopolis moves with a deliberate, steady weight, grounded by the history of the iron track and the persistent, industrious labor of those who cultivate the heavy, dark loam of the prairie.

Nearby Outdoor Places

Calamus Lake State Natural Area (State Conservation Area) — 2.9 mi, 131° SE
Lincoln Trail Homestead State Memorial (State Recreation Area) — 8.0 mi, 116° SE
Harristown Depot (Attraction) — 8.4 mi, 090° E
War Memorial (Monument) — 8.9 mi, 250° W
Rock Springs Conservation Area (Local Conservation Area) — 11.4 mi, 096° E
Griswold Conservation Area (Local Conservation Area) — 11.5 mi, 152° SE
Miller's Mill Overlook (Viewpoint) — 11.7 mi, 100° E
Fairview Park (Local Park) — 12.6 mi, 092° E
Old Mueller Hall Monument (Monument) — 14.2 mi, 093° E
Mueller Monument (Monument) — 14.2 mi, 093° E
Staley Museum (Museum) — 14.9 mi, 092° E
Hieronymus Mueller Museum (Museum) — 14.9 mi, 092° E
Wabash Station (Attraction) — 15.7 mi, 091° E
Sand Creek Open Space Reservation (Local Recreation) — 16.0 mi, 107° E
St Francis of Assisi (Public Artwork) — 17.0 mi, 267° W
Amphitheater (Theatre) — 17.1 mi, 095° E
Sangchris Lake State Resource Area (State Recreation Area) — 17.3 mi, 223° SW
Boxcar Museum (Museum) — 17.7 mi, 293° NW
Shell Gas Station (Attraction) — 17.8 mi, 293° NW
Route 66 Dream Car Museum (Museum) — 18.0 mi, 293° NW
Pig-Hip Restaurant Memorial (Attraction) — 18.3 mi, 324° NW
Edward R. Madigan State Park (State Park) — 18.5 mi, 337° NW
The Muni (Theatre) — 19.5 mi, 247° SW
Margery Adams Wildlife Sanctuary (Nature Reserve) — 20.4 mi, 260° W
AMC Showplace 8 (Cinema) — 20.4 mi, 252° W
Spitler Woods (State Park) — 20.6 mi, 104° E
Carpenter Park Nature Preserve (State Conservation Area) — 20.7 mi, 274° W
Shea's Gas Station Museum (Museum) — 21.1 mi, 266° W
Chautauqua National Wildlife Refuge (National Wildlife Refuge) — 52.8 mi, 316° NW · 13k acres
Emiquon National Wildlife Refuge (National Wildlife Refuge) — 53.9 mi, 306° NW · 5,262 acres

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