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Spencer, ID

View of Spencer, ID
Image credit: BroMcjoe / CC BY-SA 4.0
Population
29
U.S. Census Population Estimates Program · 2025
Elevation
5,908 ft
Median Income
$74,219
U.S. Census American Community Survey 5-Year · 2024

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Spencer in context.

OverallBest places in IdahoPopulation rankingHighest population places in IdahoNearest larger communityRexburg, Idaho42 miles away · 40,334 residents.

About Spencer

Spencer is an incorporated hamlet in Clark County, Idaho, United States. The 2020 census counted 31 residents. Spencer serves as the base for the state's opal mine and is called the "Opal Capital of America": the mine proper is located 5–6 miles outside of town. Spencer's local map joins its older history to the places and landscapes that still shape the town today, all within the wider Idaho setting. The local scoop is how Spencer's history still shows up in the places people visit, work, learn, and meet.

Top Rating Signals

Highest current ratings for this town.

Lower FEMA County Hurricane Risk IndexA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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