Louisville Population 2026
Louisville has a population of 20,396, making it the #2328 biggest city in 🇺🇸 United States, located in Colorado. It is about 432× smaller than New York City, the country's biggest city.
Population (city proper)
20,396
Rank in United States
#2328
Coordinates
39.98°N, 105.13°W
~1,626 m elevation · America/Denver
Distance to capital (Washington)
2,406 km
1,494 miles, straight line
Other big cities in Colorado
| City | Population | Rank in United States |
|---|---|---|
| Denver | 729,019 | #19 |
| Colorado Springs | 456,568 | #43 |
| Aurora | 359,407 | #54 |
| Fort Collins | 170,924 | #156 |
| Lakewood | 152,597 | #180 |
| Thornton | 133,451 | #210 |
| Westminster | 116,317 | #253 |
| Arvada | 115,368 | #256 |
Cities near Louisville
- Lafayette27,729 people · ~4 km away
- Broomfield65,065 people · ~7 km away
- Erie21,420 people · ~11 km away
- Boulder106,803 people · ~13 km away
- Northglenn39,197 people · ~16 km away
- Westminster116,317 people · ~18 km away
FAQ
What is the population of Louisville?
Louisville has a population of 20,396 (city proper, latest official figure via GeoNames), making it the #2328 biggest city in United States.
What state is Louisville in?
Louisville is located in Colorado, United States.
Is Louisville the capital of United States?
No, the capital of United States is Washington D.C., about 2,406 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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