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Potosi Wisconsin Map

Explore Potosi, Wisconsin, 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 Potosi, Wisconsin

How to Use This Potosi, Wisconsin Map

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

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.

CityPotosi
StateWisconsin (WI)
CountyGrant County
CountryUnited States of America
TimezoneCentral Time (America/Chicago)
Latitude42.689439
Longitude-90.712071
Population646
Density150.3 /km²
IncorporatedYes
ZIP Code53820
Area Code920
County SeatLancaster
School DistrictPotosi School District

About Potosi, Wisconsin

Potosi is a locality in Grant County, Wisconsin, United States. It is a small community with a population of 646. The population density is 150.3 people per km². Potosi is located at 42.6894°N, 90.7121°W. It observes the Central Time (America/Chicago) timezone. Potosi is an incorporated locality. ZIP code: 53820.

Potosi occupies a narrow, quiet crease in the landscape where the earth buckles into steep, unglaciated ridges and deep, shadowed hollows. It lies 12.3 miles west-southwest of Platteville, WI (from Platteville, WI: bearing 255°T), and is situated 13.3 miles north of Dubuque. Potosi Creek carves a path through the limestone bedrock, its waters moving with a deliberate, low-slung persistence that dictates the orientation of the valley floor. To the north, the sharp rise of Sherrill Mound breaks the horizon line, while the nearby terrain of Hog Hollow creates a sheltered microclimate where the evening shadows stretch long and thin across the pastures. The air here holds a distinct, heavy dampness that clings to the limestone bluffs, cooling the soil and turning the light at dusk into a soft, bruised violet that seems to settle into the very grain of the rock.

Lead mining once defined the ambition of the people here, drawing prospectors into the subterranean veins of the earth long before the regional economy shifted toward the steady, rhythmic labor of dairy farming. Today, the remnants of that extractive past remain visible in the weathered architecture, while the proximity to the Upper Mississippi River National Wildlife And Fish Refuge provides a vast, protected corridor for the movement of birds and seasonal wildlife. Life in Potosi follows the quiet cadence of the seasons, far removed from the press of larger centers and thirteen miles from the still, dark waters of Wood Duck Slough. The local culture remains tethered to the land, expressed in the shared Friday ritual of the fish fry and the endurance of small, tight-knit circles that find beauty in the persistent, unchanging geometry of the hills.

Nearby Outdoor Places

  • Badger Hut (Historic Ruins) — 0.2 mi, 185° S
  • Upper Mississippi River National Wildlife And Fish Refuge (National Wildlife Refuge) — 1.8 mi, 205° SW · 274k acres
  • Ms Rv Pools 11-22 Recreation Area (Recreation Area) — 1.9 mi, 192° S
  • Land (State Conservation Area) — 4.2 mi, 125° SE
  • Mud Lake Park (Local Park) — 4.7 mi, 176° S
  • Finley's Landing Park (Local Park) — 5.3 mi, 243° SW
  • Five Flags Theater (Theatre) — 5.7 mi, 024° NE
  • Snowden Branch State Habitat Area (State Recreation Area) — 7.3 mi, 108° E
  • Natural Area (State Conservation Area) — 10.5 mi, 273° W
  • Dark Chambers Haunted Attraction (Attraction) — 10.6 mi, 151° SE
  • Eagle Statue (Monument) — 10.9 mi, 163° S
  • Grant County History Museum (Museum) — 10.9 mi, 001° N
  • Allison Point (Viewpoint) — 11.0 mi, 162° S
  • Ham House Museum (Museum) — 11.4 mi, 164° S
  • Avalon Cinema (Cinema) — 12.3 mi, 076° E
  • Creekside Amphitheater (Theatre) — 12.3 mi, 169° S
  • Vietnam Veterans Memorial (Monument) — 12.5 mi, 164° S
  • Veteran's Memorial Plaza (Monument) — 12.5 mi, 165° S
  • Mound View State Trail (State Park) — 12.6 mi, 077° E
  • Voices Studios (Gallery) — 12.7 mi, 170° S
  • Coretta Scott King (Public Artwork) — 12.8 mi, 170° S
  • Heitkamp Planetarium (Museum) — 12.9 mi, 173° S
  • National Rivers Hall of Fame (Museum) — 13.7 mi, 169° S
  • Waterfall (Attraction) — 14.0 mi, 050° NE
  • Nelson Dewey State Park (State Park) — 15.2 mi, 280° W
  • Driftless Area National Wildlife Refuge (National Wildlife Refuge) — 15.3 mi, 233° SW · 2,440 acres
  • Mines of Spain State Recreation Area (State Recreation Area) — 15.3 mi, 172° S
  • Stonefield Historic Site (Museum) — 15.8 mi, 281° W
  • Ampitheater (Attraction) — 16.2 mi, 166° S
  • Effigy Mounds National Monument (National Monument) — 28.5 mi, 307° NW · 2,460 acres

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About This Potosi Map Page

This page provides an embedded street and satellite map of Potosi, Wisconsin. Coordinates: 42.689439, -90.712071. 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 Potosi includes the ZIP code (53820), telephone area code (920), county seat of Grant County (Lancaster), and school district assignment (Potosi School District).

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 generatedSeptember 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Map layersGoogle Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model)
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API.