Twin Falls Population 2026
Twin Falls has a population of 47,468, making it the #932 biggest city in 🇺🇸 United States, located in Idaho. It is about 185× smaller than New York City, the country's biggest city.
Population (city proper)
47,468
Rank in United States
#932
Coordinates
42.56°N, 114.46°W
~1,138 m elevation · America/Boise
Distance to capital (Washington)
3,154 km
1,959 miles, straight line
Other big cities in Idaho
| City | Population | Rank in United States |
|---|---|---|
| Boise | 235,684 | #97 |
| Meridian | 90,739 | #375 |
| Nampa | 89,839 | #379 |
| Idaho Falls | 59,184 | #698 |
| Pocatello | 54,441 | #779 |
| Caldwell | 51,686 | #839 |
| Coeur d'Alene | 49,122 | #894 |
| Lewiston | 32,544 | #1421 |
Cities near Twin Falls
FAQ
What is the population of Twin Falls?
Twin Falls has a population of 47,468 (city proper, latest official figure via GeoNames), making it the #932 biggest city in United States.
What state is Twin Falls in?
Twin Falls is located in Idaho, United States.
Is Twin Falls the capital of United States?
No, the capital of United States is Washington D.C., about 3,154 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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