Firth, ID

View of Firth, ID
Population
545
U.S. Census Population Estimates Program · 2025
Elevation
4,570 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$235,400
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$775/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$56,250
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Firth

Firth is a quiet farming community tucked along the eastern bank of the Snake River in eastern Idaho. Originally settled by Swedish immigrants in the late 1800s, the town took shape after local landowner Lorenzo J. Firth donated property for a railroad station and water tank. Today, it remains a peaceful rural town surrounded by fertile farmland, open fields, and clear views of the Blackfoot Mountains to the east.

With a population of just over 500, Firth gives you a true small-town atmosphere where neighbors genuinely look out for each other. U.S. Route 91 runs right through the center of town, putting residents only 15 minutes from Blackfoot and about 20 minutes from Idaho Falls. That makes it an appealing option for anyone wanting a relaxed, country lifestyle with an easy commute to regional jobs, hospitals, and shopping.

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