Sycamore Population 2026

Sycamore has a population of 17,712, making it the #2688 biggest city in 🇺🇸 United States, located in Illinois. It is about 497× smaller than New York City, the country's biggest city.

Location of Sycamore (capital Washington shown for reference). Boundaries: Natural Earth.

Population (city proper)

17,712

Rank in United States

#2688

Coordinates

41.99°N, 88.69°W

~266 m elevation · America/Chicago

Distance to capital (Washington)

1,043 km

648 miles, straight line

Other big cities in Illinois

City	Population	Rank in United States
Chicago	2,664,452	#3
Aurora	200,661	#125
Rockford	148,278	#184
Joliet	147,861	#186
Naperville	147,100	#190
Peoria	115,070	#259
Springfield	114,394	#262
North Peoria	113,004	#266

Cities near Sycamore

DeKalb43,211 people · ~8 km away
Huntley26,005 people · ~29 km away
St. Charles32,974 people · ~32 km away
Belvidere25,132 people · ~33 km away
Elgin112,111 people · ~34 km away
Batavia26,495 people · ~35 km away

FAQ

What is the population of Sycamore?

Sycamore has a population of 17,712 (city proper, latest official figure via GeoNames), making it the #2688 biggest city in United States.

What state is Sycamore in?

Sycamore is located in Illinois, United States.

Is Sycamore the capital of United States?

No, the capital of United States is Washington D.C., about 1,043 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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