Plainfield Population 2026
Plainfield has a population of 42,527, making it the #1041 biggest city in 🇺🇸 United States, located in Illinois. It is about 207× smaller than New York City, the country's biggest city.
Population (city proper)
42,527
Rank in United States
#1041
Coordinates
41.63°N, 88.20°W
~188 m elevation · America/Chicago
Distance to capital (Washington)
994 km
617 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 Plainfield
- Romeoville39,719 people · ~10 km away
- Oswego33,955 people · ~14 km away
- Bolingbrook74,306 people · ~14 km away
- Joliet147,861 people · ~15 km away
- Aurora200,661 people · ~18 km away
- Naperville147,100 people · ~18 km away
FAQ
What is the population of Plainfield?
Plainfield has a population of 42,527 (city proper, latest official figure via GeoNames), making it the #1041 biggest city in United States.
What state is Plainfield in?
Plainfield is located in Illinois, United States.
Is Plainfield the capital of United States?
No, the capital of United States is Washington D.C., about 994 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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