Watertown Population 2026
Watertown has a population of 23,819, making it the #1997 biggest city in 🇺🇸 United States, located in Wisconsin. It is about 370× smaller than New York City, the country's biggest city.
Population (city proper)
23,819
Rank in United States
#1997
Coordinates
43.19°N, 88.73°W
~260 m elevation · America/Chicago
Distance to capital (Washington)
1,090 km
677 miles, straight line
Other big cities in Wisconsin
Cities near Watertown
- Beaver Dam16,564 people · ~31 km away
- Sun Prairie32,365 people · ~39 km away
- Waukesha71,970 people · ~45 km away
- Menomonee Falls36,119 people · ~50 km away
- Germantown19,993 people · ~50 km away
- West Bend31,695 people · ~51 km away
FAQ
What is the population of Watertown?
Watertown has a population of 23,819 (city proper, latest official figure via GeoNames), making it the #1997 biggest city in United States.
What state is Watertown in?
Watertown is located in Wisconsin, United States.
Is Watertown the capital of United States?
No, the capital of United States is Washington D.C., about 1,090 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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