Irwin, ID

Population
302
U.S. Census Population Estimates Program · 2025
Elevation
5,323 ft
Median Home Value
$433,300
U.S. Census American Community Survey 5-Year · 2024
Median Income
$67,500
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Irwin

Tucked into scenic Swan Valley along the South Fork of the Snake River, Irwin offers a quiet mountain lifestyle with world-class outdoor recreation right out the back door. The river cuts right through the valley, framed by forested slopes and wide-open skies. While it has its own small-town identity, Irwin shares close ties with neighboring communities and relies on Idaho Falls, roughly forty-five minutes away, for major shopping, healthcare, and career opportunities.

Life here revolves around the scenery, from blue-ribbon trout fishing and boating on nearby Palisades Reservoir to hiking through the Caribou-Targhee National Forest. Everyday living is peaceful and rural, where traffic is practically nonexistent and the mountain views follow you everywhere you go. For anyone looking to trade city noise for fresh air and riverfront valley beauty, Irwin makes a welcoming home base.

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