Explore Cortland, 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 Cortland, 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 Cortland.
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 | Cortland |
| State | Illinois (IL) |
| County | DeKalb County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 41.937715 |
| Longitude | -88.691396 |
| Population | 4,398 |
| Density | 465.4 /km² |
| Incorporated | Yes |
| ZIP Code | 60112 |
| Area Code | 312, 773 |
| County Seat | Sycamore |
| School District | DeKalb Community Unit School District 428 |
Cortland occupies a vast, flat expanse of the Illinois prairie, where the horizon stretches out in a seamless, unbroken line of earth and sky. It lies 3.2 miles east-southeast of DeKalb, IL (from DeKalb, IL: bearing 102°T), and is situated 4.8 miles south of Sycamore. The sky here possesses a singular, heavy clarity, casting a wide, unblinking light that reveals every variation in the texture of the soil and the stiff, rhythmic movement of tall grasses. To the north, the land remains largely open, marked only by the modest, quiet presence of Cortland Community Park, which serves as a central point for the residents to gather beneath the expansive Midwestern dome of clouds. Occasionally, the flat terrain dips toward the path of Union Ditch Number 1, a subtle waterway that carves a narrow, deliberate shadow through the surrounding fields of corn and soybeans.
Cortland emerged from the relentless agricultural ambition of the nineteenth century, developing as a steady, industrious node amidst a sea of fertile black loam. The economy remains tethered to this productive land, though the quiet, residential character of the place has deepened as the grid of the surrounding region has expanded. Beyond the immediate reach of the town, the landscape offers rare, isolated points of interest, such as the distant rise of Johnsons Mound or the quiet, sheltered groves of the Elburn County Forest Preserve. Even the lure of Shabbona Lake, while miles away, represents the only significant deviation from the flat, cultivated geometry that defines the daily experience of life in Cortland.
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This page provides an embedded street and satellite map of Cortland, Illinois. Coordinates: 41.937715, -88.691396. 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 Cortland includes the ZIP code (60112), telephone area code (312, 773), county seat of DeKalb County (Sycamore), and school district assignment (DeKalb Community Unit School District 428).
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. |