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| City | St. Anthony |
| State | Idaho (ID) |
| County | Fremont |
| Country | United States of America |
| Timezone | Mountain Time (America/Boise) |
| Latitude | 43.966301 |
| Longitude | -111.682185 |
| Population | 3,911 |
| Density | 765.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 83445 |
| Area Code | 208 |
| County Seat | St. Anthony |
| School District | Fremont County Joint School District 215 |
St. Anthony is a locality in Fremont County, Idaho, United States. It has a population of approximately 3,911. The population density is 765.8 people per km². St. Anthony is located at 43.9663°N, 111.6822°W. It observes the Mountain Time (America/Boise) timezone. ZIP code: 83445.
St. Anthony rests in a broad, fertile valley, a land where the sky seems to stretch in an unbroken, luminous sweep across the horizon. It lies 11.1 miles north-north-east of Rexburg, ID (from Rexburg, ID: bearing 29°T), and is situated 7.2 miles north-north-east of Sugar City. The surrounding landscape is a study in muted grandeur, a vast expanse of agricultural fields that ripple like emerald and gold seas under the ceaseless sun, giving way to the distant, softly rounded shoulders of mountains that guard the eastern edge of the valley. A palpable sense of open space pervades the air, carrying the scent of sun-baked earth and the faint, sweet perfume of ripening crops, a quiet testament to the land’s generous, if unyielding, nature. The light here, especially as the day begins its slow descent, possesses a remarkable clarity, painting the clouds in strokes of rose and lavender against a deepening cerulean canvas. The very character of St. Anthony is inextricably linked to the flowing waters that have shaped its existence and fueled its prosperity. The Fremont River, a lively artery of the region, provides a vital source of irrigation, nurturing the rich soil that has made agriculture the enduring backbone of St. Anthony’s economy. For generations, the bounty of this land—sugar beets, potatoes, grains—has been the lifeblood, a rhythm of planting and harvest that dictates the pulse of daily life. Echoes of earlier days, when pioneers first wrestled this fertile ground from the wild, can still be felt in the sturdy, unpretentious architecture and the quiet pride of its inhabitants, a community that has learned to thrive in concert with the powerful, elemental forces of the natural world.
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This page provides an embedded street and satellite map of St. Anthony, Idaho — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 43.966301, -111.682185. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on St. Anthony and Fremont County.
Detailed location data for St. Anthony includes the ZIP code (83445), telephone area code (208), county seat of Fremont County (St. Anthony), and school district assignment (Fremont County Joint School District 215). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct St. Anthony is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |