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Thomson Illinois Map

Explore Thomson, 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 Thomson, Illinois

How to Use This Thomson, Illinois Map

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

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

Latitude	41.974701
Longitude	-90.112224
Population	1,610
Density	280.1 /km²
Incorporated	Yes
ZIP Code	61285
Area Code	847, 224
County Seat	Mount Carroll
School District	West Carroll Community Unit School District 314

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

About Thomson, Illinois

Thomson is a locality in Carroll County, Illinois, United States. It has a population of approximately 1,610. The population density is 280.1 people per km². Thomson is located at 41.9747°N, 90.1122°W. It observes the Central Time (America/Chicago) timezone. Thomson is an incorporated locality. ZIP code: 61285.

Thomson occupies a quiet stretch of land where the horizon is defined by the expansive, rhythmic geometry of the Midwestern plains. It lies 23.8 miles west-northwest of Sterling, IL (from Sterling, IL: bearing 300°T), and is situated 9.1 miles north-northeast of Clinton. The landscape around Thomson is defined by the subtle, deliberate shifts of the terrain, where the flat, fertile earth of the Pomme de Terre Prairie lies only four miles away, offering a vast, open expanse that seems to breathe with the changing seasons. To the east, the land rises in slow, measured increments, eventually yielding to the distant silhouette of Terrapin Ridge on the far horizon. Within the immediate periphery, the cooling influence of Spring Lake lingers in the air, while the quiet, steady flow of Johnson Creek carves a narrow, persistent vein through the surrounding fields. At the center of daily life, Thomson Village Park serves as a modest, green anchor, providing a space where the quality of light at dusk softens the sharp edges of the grain silos and farmhouses, casting long, amber shadows across the cooling pavement.

History in Thomson remains tethered to the persistent labor of the soil and the iron-willed development of the inland corridor. The local economy draws its strength from the deep, dark loam of the region, where the cycles of planting and harvest dictate the pace of life with a gravity that feels both ancient and immediate. While the modern world hums with the distant energy of commerce and transit, Thomson maintains a disciplined, focused character, shaped by families who have worked this ground for generations. There is a particular clarity to the winters here, when the frost settles over the fields and the sky turns a stark, pale gray, highlighting the functional architecture of the region’s warehouses and brick storefronts. Life in Thomson moves with a deliberate, unadorned grace, prioritizing the integrity of the harvest and the enduring connection of its people to the vast, productive flatness of the Illinois interior.

Nearby Outdoor Places

Ms Rv Pools 11-22 Recreation Area (Recreation Area) — 0.7 mi, 206° SW
Upper Mississippi River National Wildlife And Fish Refuge (National Wildlife Refuge) — 1.2 mi, 176° S · 274k acres
Eagle Point Park (Local Park) — 5.9 mi, 216° SW
Sabula Access (State Recreation Area) — 5.9 mi, 329° NW
Camp Miss-Elk-Ton (Local Park) — 6.5 mi, 295° NW
Heritage Canyon (Museum) — 7.3 mi, 202° S
Elijah Buell Memorial (Monument) — 7.8 mi, 204° SW
Savanna Train Car Museum (Museum) — 8.3 mi, 345° N
Havencrest Castle (Attraction) — 8.5 mi, 346° N
Millroad Marsh State Habitat Area (State Conservation Area) — 9.0 mi, 190° S
Savanna Veterans Memorial (Monument) — 9.1 mi, 345° N
Clinton Show Boat (Theatre) — 9.5 mi, 202° S
Curtis Mansion (Monument) — 10.1 mi, 205° SW
Indian Head Rock (Viewpoint) — 10.3 mi, 347° N
Historic ruins (Historic Ruins) — 10.5 mi, 348° N
Point Rock (Attraction) — 10.8 mi, 038° NE
Norrish Auditorium (Theatre) — 13.6 mi, 146° SE
Goose Lake (Clinton) Wildlife Management Area (State Conservation Area) — 14.0 mi, 265° W
Camanche Historical Museum (Museum) — 15.1 mi, 210° SW
Camanche Depot Museum (Museum) — 15.4 mi, 209° SW
Green Island Wildlife Management Area (National Conservation Area) — 17.0 mi, 326° NW · 3,776 acres
Bellevue State Park (State Park) — 22.5 mi, 320° NW
Central Community Historical Society & Museum (Museum) — 24.3 mi, 244° SW
Living, Flowing, Ever Changing (Public Artwork) — 25.0 mi, 321° NW
Lime Kiln (Historic Ruins) — 25.1 mi, 320° NW
Great River Gallery (Gallery) — 25.1 mi, 321° NW
Hennepin Canal (State Recreation Area) — 25.3 mi, 130° SE
Apple River Road Bridge (Attraction) — 27.0 mi, 355° N
Castle Rock State Park (State Park) — 36.2 mi, 093° E
Driftless Area National Wildlife Refuge (National Wildlife Refuge) — 40.0 mi, 302° NW · 2,440 acres

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