Explore Irwin, Idaho, with this interactive street and satellite map.
| City | Irwin |
| State | Idaho (ID) |
| County | Bonneville County |
| Country | United States of America |
| Timezone | Mountain Time (America/Boise) |
| Latitude | 43.403359 |
| Longitude | -111.279513 |
| Population | 259 |
| Density | 40.5 /km² |
| Incorporated | Yes |
| ZIP Codes | 83449, 83428 |
| Area Code | 208 |
| County Seat | Idaho Falls |
| School District | Swan Valley Elementary School District 92 |
Irwin maintains a quiet gravity where the high desert air meets the persistent, cold pulse of the Snake River. It lies 33.7 miles east of Ammon, ID (from Ammon, ID: bearing 97°T), and is situated 16.4 miles southwest of Victor. This landscape is defined by the proximity of Flatiron Hollow, a shallow depression that channels the wind across the sagebrush and bunchgrass toward the water’s edge. The terrain here is not a place of sudden drama, but of enduring, arid patience, where the light at dusk turns the earth a bruised, metallic violet before the stars sharpen against the dark. Everything in Irwin exists under the oversight of the Snake River Area of Critical Environmental Concern, a designation that ensures the wild character of the riverbanks remains undisturbed by the slow press of human expansion.
Economic life in Irwin has long been tethered to the rhythms of the land and the seasonal flow of the river, which draws those seeking the solitude of the surrounding wilderness. To the east, the distant, craggy silhouettes of the Snake River Range provide a permanent horizon, while the nearby cascade of Fall Creek Falls serves as a singular, rhythmic punctuation mark in the quietude of the backcountry. While the Palisades Reservoir lies only seven miles away, the daily existence here is governed more by the local stewardship of the Targhee National Forest and the necessity of managing the rugged, unyielding soil. Life in Irwin moves with the unhurried precision of a place where the seasons dictate the labor, leaving the inhabitants to witness the slow, inevitable cycle of the frost and the thaw.
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This page provides an embedded street and satellite map of Irwin, Idaho. Coordinates: 43.403359, -111.279513. 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 Irwin includes the ZIP code (83449, 83428), telephone area code (208), county seat of Bonneville County (Idaho Falls), and school district assignment (Swan Valley Elementary School District 92).
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 | August 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. |