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Rio Illinois Map

Explore Rio, 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 Rio, Illinois

How to Use This Rio, Illinois Map

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

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

Latitude	41.109204
Longitude	-90.399851
Population	209
Density	258.6 /km²
Incorporated	Yes
ZIP Code	61472
Area Code	815
County Seat	Galesburg
School District	ROWVA Community Unit School District 208

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

About Rio, Illinois

Rio is a locality in Knox County, Illinois, United States. It is a small community with a population of 209. The population density is 258.6 people per km². Rio is located at 41.1092°N, 90.3999°W. It observes the Central Time (America/Chicago) timezone. Rio is an incorporated locality. ZIP code: 61472.

Rio emerges from the vast, flat expanse of the Illinois prairie, defined by the quiet persistence of its horizon and the deep, fertile soil that anchors the landscape. It lies 11.3 miles north of Galesburg, IL (from Galesburg, IL: bearing 352°T), and is situated 18.8 miles northeast of Monmouth. The sky here possesses a singular, expansive quality, turning a pale, bruised violet as dusk settles over the fields and the light stretches thin across the stalks. To the south, the terrain follows the subtle, natural drainage patterns carved toward North Henderson Creek, which marks the local topography with a low, deliberate grace. Beyond the immediate reach of the fields, the silhouette of Pilot Knob rises eight miles distant, a muted reminder of elevation in a region otherwise surrendered to the level plains.

Agriculture dictates the rhythm of life in Rio, where the cycle of planting and harvest provides a steady, seasonal cadence to the passage of months. Commerce remains modest and grounded, reflecting a history tied to the expansion of rail and the enduring necessity of the Midwestern grain trade. Residents often look toward the Cresent Lake Club for a quiet connection to the local ecosystem, finding in the managed lands a reprieve from the relentless geometry of the surrounding farms. Though Rice Lake lies eleven miles away, the character of the region is defined less by water and more by the immense, golden quietude of the earth itself, where the stillness of the afternoon is broken only by the distant, rhythmic hum of machinery echoing across the flat, open expanse.

Nearby Outdoor Places

Cresent Lake Club (Park) — 6.1 mi, 014° N
Blackthorn Hill Nature Preserve (Nature Reserve) — 7.9 mi, 209° SW
Lake Storey Park (Local Park) — 8.2 mi, 180° S
Lincoln Park (Local Park) — 8.3 mi, 174° S
Public Triangle (Monument) — 9.4 mi, 105° E
Poet Carl Sandburg and Nellie the Goat (Public Artwork) — 11.3 mi, 172° S
Galesburg Civic Arts Center (Gallery) — 11.3 mi, 171° S
CB&Q Engine 3006 (Attraction) — 11.5 mi, 170° S
Carl Sandburg Birthplace Historic Site (Attraction) — 12.1 mi, 172° S
James B. Stockdale Museum (Museum) — 12.5 mi, 166° S
Victoria State Habitat Area (State Conservation Area) — 15.3 mi, 106° E
State Historic Site Museum (Attraction) — 15.8 mi, 068° E
Bishop Hill Park (State Park) — 15.8 mi, 066° NE
Snakeden Hollow State Fish and Wildlife Area (State Conservation Area) — 16.8 mi, 110° E
Warren County History Museum (Museum) — 19.3 mi, 225° SW
Citizen's Lake (State Recreation Area) — 19.4 mi, 225° SW
Hennepin Canal (State Recreation Area) — 25.0 mi, 001° N
Ms Rv Pools 11-22 Recreation Area (Recreation Area) — 26.7 mi, 333° NW
Abraham Lincoln Statue (Monument) — 26.8 mi, 028° NE
Geneseo Water Tower Fish (Attraction) — 27.0 mi, 029° NE
Ingersoll Centennial Chapel (Theatre) — 27.8 mi, 172° S
Deere Cross (Monument) — 27.9 mi, 350° N
Port Louisa National Wildlife Refuge (National Wildlife Refuge) — 28.3 mi, 270° W · 24k acres
Fryxell Geology Museum (Museum) — 28.3 mi, 344° N
Pat and Jack Bush Scenic Overlook (Viewpoint) — 28.9 mi, 352° N
Rock Island Arsenal Museum (Museum) — 29.2 mi, 346° N
Upper Mississippi River National Wildlife And Fish Refuge (National Wildlife Refuge) — 29.6 mi, 356° N · 274k acres
Ellison (historical) (Historic Ruins) — 30.3 mi, 219° SW
Davenport Art Gallery (Arts Centre) — 30.6 mi, 340° N
Wildcat Den State Park (State Park) — 34.5 mi, 316° NW

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