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Spencer, Idaho

City · Population 31 · #195 in Idaho
Spencer, Idaho

Spencer is an incorporated hamlet in Clark County, Idaho, United States. It 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.

Photo & intro: Wikipedia

About Spencer

Set in the eastern part of Idaho, Spencer is a tiny community counting 31 people who proudly call it home.

Spencer holds the status of an incorporated city with its own municipal government. The community covers 1.14 square miles, giving it wide-open spaces and a spread-out, rural feel at roughly 27 residents per square mile.

What Makes Spencer Unique

  • One of 13 places in the US named Spencer — but the Idaho one has a character all its own.
  • With 31 residents, it's one of America's smallest incorporated communities — everybody really does know everybody.
  • Positioned in eastern Idaho, convenient to the region's corridors and crossings.

Why People Love It Here

  • Small-town pace of life: less traffic, more community, and neighbors who wave.
  • Cost of living typically runs below the big-metro average.
  • Well connected: 2+ neighboring communities within 25 miles.

⚡ Quick Facts

StateIdaho
TypeCity
Population (2024)31
Rank in state#195 of 198
Land area1.14 sq mi
Density27/sq mi
Coordinates44.3678, -112.1843

🗺️ Map of Spencer