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St. Marys Iowa Map

Explore St. Marys, 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 St. Marys, Iowa

How to Use This St. Marys, Iowa Map

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

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	St. Marys
State	Iowa (IA)
County	Warren County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	41.308048
Longitude	-93.729664
Population	108
Density	295.7 /km²
Incorporated	Yes
ZIP Codes	50229, 50241
Area Code	515
County Seat	Indianola
School District	Martensdale-St. Marys Community School District

🌦 Goto St. Marys Weather Page: St. Marys, Iowa — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About St. Marys, Iowa

St. Marys is a locality in Warren County, Iowa, United States. It is a small community with a population of 108. The population density is 295.7 people per km². St. Marys is located at 41.3080°N, 93.7297°W. It observes the Central Time (America/Chicago) timezone. St. Marys is an incorporated locality. ZIP codes: 50229, 50241.

St. Marys commands a quiet stretch of land where the horizon dissolves into the soft, rhythmic swells of the Iowa prairie. It lies 9.6 miles west-southwest of Indianola, IA (from Indianola, IA: bearing 249°T), and is situated 18.6 miles south of West Des Moines. The earth here is dark and deep, tilled into infinite rows of corn and soybeans that mirror the sky’s shifting moods, from the pale, bruised violet of dawn to the sharp, gold clarity of midday. Only two miles distant, the waters of Painter Creek trace a modest, winding path through the soil, offering a cool respite for the local wildlife that congregates in the shade of dense, native thickets. Three miles away, the quiet stillness of Jensen Marsh provides a sanctuary where the air grows heavy with the scent of damp reeds and earth, a place where the land remembers its wild, uncultivated origins before the plow transformed the wider world.

Settlers arrived in this region with a pragmatic spirit, carving a life from the persistent cycle of planting and harvest that defines the local economy to this day. St. Marys maintains the steady, unadorned pulse of a place shaped by generations of labor, where the heavy, iron-rich soil dictates the pace of the year and the character of those who work it. While the distant, shimmering surface of Cedar Lake, fourteen miles to the north, draws travelers seeking a different kind of stillness, life here remains rooted in the immediate, tangible reality of the fields. The community reflects a heritage of endurance, where the simple, clean lines of the architecture and the quietude of the evening streets speak of a collective preference for substance over spectacle.

Nearby Outdoor Places

Jensen Marsh (Local Conservation Area) — 3.1 mi, 294° NW
Great Western Trail (Local Park) — 4.4 mi, 349° N
Lake Ahquabi State Park (State Park) — 6.8 mi, 097° E
Hooper Wildlife Management Area (State Conservation Area) — 7.3 mi, 109° E
Whitley Memorial (Monument) — 7.4 mi, 102° E
Annett Nature Center (Local Park) — 7.7 mi, 094° E
Rolling Thunder Prairie State Preserve (State Conservation Area) — 7.9 mi, 154° SE
Warren County Historical Museum (Museum) — 8.6 mi, 067° NE
Blue Flag Marsh (Local Conservation Area) — 9.1 mi, 354° N
Carver Cultural Center (Arts Centre) — 9.4 mi, 064° NE
Black Box Theatre (Theatre) — 9.4 mi, 065° NE
Painted Pony (Gallery) — 9.5 mi, 067° NE
Summerset Trail (State Recreation Area) — 9.8 mi, 066° NE
Banner Lakes At Summerset State Park (State Park) — 12.7 mi, 046° NE
City Water Pump (Monument) — 13.9 mi, 073° E
Badger Creek State Recreation Area (State Recreation Area) — 14.3 mi, 320° NW
John Wayne (Public Artwork) — 14.8 mi, 277° W
Giraffe Feeding (Attraction) — 15.6 mi, 021° N
Fleur Cinema & Cafe (Theatre) — 16.9 mi, 016° N
Blue Zoo (Aquarium) — 18.1 mi, 348° N
Olson-Larson Galleries (Gallery) — 18.2 mi, 003° N
Lookout Point (Viewpoint) — 18.2 mi, 027° NE
Des Moines Art Center (Museum) — 19.2 mi, 007° N
Osceola Statue (Attraction) — 19.4 mi, 188° S
Peace Boulder (Monument) — 20.1 mi, 016° N
Iowa Hall of Pride (Museum) — 20.3 mi, 016° N
Liz Lidgett Gallery & Design (Gallery) — 20.3 mi, 017° N
Model Railroad (Attraction) — 21.7 mi, 025° NE
Neal Smith National Wildlife Refuge (National Wildlife Refuge) — 27.5 mi, 055° NE · 12k acres
Northern Tallgrass Prairie National Wildlife Refuge (National Wildlife Refuge) — 28.9 mi, 057° NE · 12k acres

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