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Franklin County, Idaho Map

Explore Franklin County, Idaho with this interactive street and satellite map. Browse all 6 cities and towns in Franklin County below.

Interactive Map of Franklin County, Idaho

CountyFranklin
StateIdaho (ID)
County SeatPreston
CountryUnited States of America
Latitude42.118118
Longitude-111.947685
Cities & Towns6
Area Codes208

About Franklin County, Idaho

Franklin County unfolds across a landscape shaped by the enduring forces of water and earth. To the north, it brushes against the mountainous spine of Idaho, a region where the jagged peaks, softened by distance and the clear, hard light of the Mountain West, hint at the wildness that lies beyond. Southward, the land flattens into the vast expanse of the Snake River Plain, a testament to ancient volcanic activity, where rich soil now supports endless fields of potatoes, their green shoots reaching for the sky under a boundless blue. The Snake River itself, a silver ribbon, cuts through the southern reaches, its banks a familiar presence, while smaller tributaries, born of mountain snowmelt, thread their way through the terrain, nourishing the land. To the east, the county shares its border with Wyoming, a natural boundary marked by the rising land, and to the west, the lands stretch toward the less defined contours of neighboring Idaho counties, all part of the larger, rugged geography of the Intermountain West.

The human story of Franklin County began to take root in the mid-19th century, a time when pioneers, drawn by the promise of fertile land and the lure of the West, began to establish homesteads. Organized in 1864, its early years were shaped by the hardy spirit of settlers, many of whom were members of the Church of Jesus Christ of Latter-day Saints, seeking a place to build their communities. Preston, the county seat, emerged as a natural center, its growth mirroring the agricultural development of the surrounding lands. The town, with its quiet streets and sturdy buildings, became a focal point for trade and governance, a place where the rhythms of the seasons and the needs of the farmers dictated the pace of life. Over the decades, the county witnessed the ebb and flow of agricultural booms and busts, the enduring spirit of its people a constant in the face of changing times.

Today, Franklin County's character is deeply entwined with its agricultural heritage and the quiet persistence of its residents. The economy remains anchored by the cultivation of potatoes, a crop that defines the very texture of the land for much of the year, but other crops and livestock also contribute to the agricultural vitality. The county's towns, each with its own distinct personality, bear the marks of their history and their present-day concerns. From the agricultural centers to the smaller hamlets that dot the landscape, a sense of close-knit community prevails, a feeling amplified by the shared experience of living under the wide Idaho sky. The quality of the light here, particularly at dusk when the sun casts long shadows across the fields and the distant mountains glow with a soft, ethereal hue, seems to lend a particular grace to the everyday activities of life, a quiet beauty that resonates through the county.

Cities and Towns in Franklin County

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About This Franklin County Map Page

This page provides an interactive map of Franklin County, Idaho alongside links to detailed street maps for 6 cities and towns. The county seat is Preston. Each city and town map page includes live weather, local news and precise GPS coordinates.

Location data is sourced from the USGS GNIS database and verified by coordinates, not name matching alone.

Page generatedJune 2026
Location dataUSGS GNIS database; coordinates matched to 2020 US Census records