Joliet Population 2026

Joliet has a population of 147,861, making it the #186 biggest city in 🇺🇸 United States, located in Illinois. It is about 60× smaller than New York City, the country's biggest city.

WashingtonJoliet
Location of Joliet (capital Washington shown for reference). Boundaries: Natural Earth.
Population (city proper)
147,861
Rank in United States
#186
Coordinates
41.53°N, 88.08°W
~165 m elevation · America/Chicago
Distance to capital (Washington)
982 km
610 miles, straight line

Other big cities in Illinois

CityPopulationRank in United States
Chicago2,664,452#3
Aurora200,661#125
Rockford148,278#184
Naperville147,100#190
Peoria115,070#259
Springfield114,394#262
North Peoria113,004#266
Elgin112,111#270

Cities near Joliet

FAQ

What is the population of Joliet?
Joliet has a population of 147,861 (city proper, latest official figure via GeoNames), making it the #186 biggest city in United States.
What state is Joliet in?
Joliet is located in Illinois, United States.
Is Joliet the capital of United States?
No, the capital of United States is Washington D.C., about 982 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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