Lost River, ID has a population of 14 and is the 28,895th largest city in the United States. The population density is 2 per sq mi which is 91% lower than the Idaho average and 98% lower than the national average. The median age in Lost River is 0 which is approximately 100% lower than the Idaho average of 36. In Lost River, 100% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 43% of Lost River residents were born in Idaho, 57% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Lost River is 91% lower than Idaho.
The median age in Lost River is 100% lower than Idaho.
In Lost River 100.00% of the population is White.
In Lost River 0.00% of the population is Black or African American.