Sioux Falls Population 2026
Sioux Falls has a population of 171,544, making it the #154 biggest city in 🇺🇸 United States, located in South Dakota. It is about 51× smaller than New York City, the country's biggest city.
Population (city proper)
171,544
Rank in United States
#154
Coordinates
43.54°N, 96.73°W
~448 m elevation · America/Chicago
Distance to capital (Washington)
1,721 km
1,069 miles, straight line
Other big cities in South Dakota
| City | Population | Rank in United States |
|---|---|---|
| Rapid City | 73,569 | #516 |
| Aberdeen | 28,102 | #1662 |
| Brookings | 23,657 | #2005 |
| Watertown | 22,073 | #2156 |
| Mitchell | 15,669 | #2990 |
Cities near Sioux Falls
FAQ
What is the population of Sioux Falls?
Sioux Falls has a population of 171,544 (city proper, latest official figure via GeoNames), making it the #154 biggest city in United States.
What state is Sioux Falls in?
Sioux Falls is located in South Dakota, United States.
Is Sioux Falls the capital of United States?
No, the capital of United States is Washington D.C., about 1,721 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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