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Thornburg Iowa Map

Explore Thornburg, Iowa, 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 Thornburg, Iowa

How to Use This Thornburg, Iowa Map

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

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	Thornburg
State	Iowa (IA)
County	Keokuk County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	41.454729
Longitude	-92.335739
Population	45
Density	87.3 /km²
Incorporated	Yes
ZIP Code	50255
Area Code	515
County Seat	Sigourney
School District	Tri-County Community School District

🌦 Goto Thornburg Weather Page: Thornburg, Iowa — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Thornburg, Iowa

Thornburg is a locality in Keokuk County, Iowa, United States. It is a small community with a population of 45. The population density is 87.3 people per km². Thornburg is located at 41.4547°N, 92.3357°W. It observes the Central Time (America/Chicago) timezone. Thornburg is an incorporated locality. ZIP code: 50255.

Thornburg occupies a quiet expanse of the Iowa prairie where the horizon stretches wide, defined by the rhythmic geometry of tilled fields and the deep, fertile soil of the plains. It lies 19.4 miles northeast of Oskaloosa, IA (from Oskaloosa, IA: bearing 56°T), and is situated 30.3 miles north of Ottumwa. The landscape surrounding Thornburg is characterized by an unshowy, rolling topography that catches the slanted, amber light of late afternoon, casting long shadows across the rows of corn and soybeans. A mile away, Smith Creek traces a slow, meandering path through the earth, its banks providing a subtle change in texture to the otherwise vast agricultural grid. Beyond the immediate reach of the town, the Hawthorn Lake Wildlife Management Area offers a sanctuary of tall grasses and native flora, five miles distant, serving as a reminder of the wilder, uncultivated character that once dominated this interior expanse.

Thornburg retains the steady, deliberate pace of a place built upon the labor of the soil and the quiet endurance of its residents. The local economy remains tethered to the cycles of the seasons, with the seasonal pulse of harvest and planting dictating the rhythm of daily life. While Lake Ponderosa lies fifteen miles away as a destination for those seeking a change of scenery, the heart of Thornburg resides in its enduring heritage and the modest, literate civility of its inhabitants. There is a particular beauty in the way the town functions without fanfare, its history written in the sturdy architecture of its buildings and the persistent, quiet focus of a community that has quietly adapted to the changing demands of the modern agricultural world.

Nearby Outdoor Places

What Cheer Brick School Museum (Museum) — 3.9 mi, 192° S
Hawthorn Lake Wildlife Management Area (State Conservation Area) — 5.3 mi, 290° W
Yen-Rou-Gis Park (Local Park) — 8.5 mi, 127° SE
Deep River Timber Wildlife Area (Local Conservation Area) — 8.7 mi, 357° N
Belva Deer Recreation Area (Local Park) — 9.7 mi, 111° E
Hayesville Bend Wildlife Management Area (State Conservation Area) — 12.9 mi, 176° S
Dumonts' Museum of Dreamworld Collectibles (Museum) — 13.1 mi, 149° SE
Fox Forest Wildlife Area (Local Conservation Area) — 13.7 mi, 307° NW
English Valley History Center (Museum) — 14.0 mi, 073° E
Lake Keomah State Park (State Park) — 14.9 mi, 224° SW
South Skunk River Access (State Recreation Area) — 16.6 mi, 156° SE
Nelson Pioneer Farm Museum (Museum) — 17.1 mi, 240° SW
Chief Mahaska Statue (Monument) — 19.4 mi, 235° SW
The Morgan Cabin (Monument) — 20.2 mi, 235° SW
Amphitheatre (Theatre) — 20.5 mi, 235° SW
Wagaman Mill Museum (Museum) — 24.7 mi, 291° W
Mahaska Care Facility Memorial (Monument) — 25.2 mi, 242° SW
Port Louisa National Wildlife Refuge (National Wildlife Refuge) — 26.6 mi, 012° N · 24k acres
Iowa River Corridor Wildlife Management Area (State Recreation Area) — 27.3 mi, 015° N
Van Wyk Winery (Historic Castle / Fort) — 27.7 mi, 288° W
Lake Darling State Park (State Park) — 28.3 mi, 130° SE
Saint John Auditorium (Theatre) — 28.5 mi, 186° S
Jacob Krumm East Access (Nature Reserve) — 28.8 mi, 307° NW
Jacob Krumm Ahrens Access (Nature Reserve) — 29.0 mi, 307° NW
Klokkenspel (Attraction) — 30.2 mi, 264° W
Cox-Snow Music Center (Arts Centre) — 30.5 mi, 263° W
Ron and Joyce Schipper Stadium (Stadium) — 30.9 mi, 264° W
Michele Maring Miller Art Gallery (Gallery) — 33.8 mi, 045° NE
The Art House (Public Artwork) — 36.7 mi, 149° SE
Neal Smith National Wildlife Refuge (National Wildlife Refuge) — 47.2 mi, 278° W · 12k acres

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