Explore Lacon, 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.
This interactive map shows the street layout and satellite imagery for Lacon, 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 Lacon.
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 | Lacon |
| State | Illinois (IL) |
| County | Marshall County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 41.024758 |
| Longitude | -89.411201 |
| Population | 1,878 |
| Density | 453.2 /km² |
| Incorporated | Yes |
| ZIP Code | 61540 |
| Area Code | 815 |
| County Seat | Lacon |
| School District | Midland Community Unit School District 7 |
Lacon commands the eastern bank of the Illinois River, where the water moves with a heavy, deliberate grace toward the distant Mississippi. It lies 22.2 miles north of Washington, IL (from Washington, IL: bearing 359°T), and is situated 8.1 miles north-northeast of Chillicothe. The landscape surrounding Lacon is defined by the deep, fertile silt of the river valley, giving way to the shadowed irregularities of Rattlesnake Hollow just a few miles beyond the residential grid. To the north, the waters of Babb Slough hold the reflection of the sky in a quiet, stagnant stillness that contrasts with the constant, muscular flow of the river. The air here carries the scent of damp earth and drying corn stalks, a dry, Midwestern sweetness that intensifies as the sun slips behind the distant, hazy silhouette of Owls Head on the horizon. Within the municipal limits, Lacon Park offers a green reprieve, its manicured edges softening the transition between the built environment and the wild, tangled growth of the Spring Branch State Conservation Area nearby.
The foundations of Lacon reflect a nineteenth-century ambition, built upon the promise of river commerce and the unending productivity of the surrounding prairie soil. While the early reliance on steamboat transit has faded, the economy remains tethered to the rhythmic demands of agriculture, with grain elevators standing as the primary vertical markers against the flat, expansive sky. The brick architecture of the older storefronts suggests a time when local merchants and river traders dictated the pace of the afternoon, a quiet persistence that still dictates the rhythm of the streets today. Residents navigate a landscape where the history of the Illinois River serves as a constant, fluid backdrop to the modern demands of trade and transit. Life in Lacon retains a grounded character, shaped by the cyclical nature of the harvest and the persistent, quiet influence of the waterway that has drawn people to these banks for generations.
Loading news…
Loading news-world…
Loading news-world…
This page provides an embedded street and satellite map of Lacon, Illinois. Coordinates: 41.024758, -89.411201. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Lacon includes the ZIP code (61540), telephone area code (815), county seat of Marshall County (Lacon), and school district assignment (Midland Community Unit School District 7).
Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |