Chicago vs Philadelphia

A side-by-side comparison of Chicago, Illinois and Philadelphia, Pennsylvania — population, climate, cost of living, demographics, and more.

PlaceChicagoChicago

Illinois, United States

PhiladelphiaPhiladelphia

Pennsylvania, United States

Location
State / regionIllinoisPennsylvania
Country🇺🇸 United States🇺🇸 United States
Coordinates41.837, -87.68540.009, -75.133
Elevation178 m32 m
Size
Population2,721,3261,573,916
Land area227.7 mi²134.4 mi²
Water area6.8 mi²8.3 mi²
Density (per mi²)11,94911,714
Housing units1,282,248763,527
Demographics
Median age35.935.7
White (non-Hispanic)36.5%35.5%
Black or African American26.3%38.7%
Asian7.8%8.3%
Hispanic or Latino30.2%16.4%
Economy & education
Median household income$80,613$60,521
Median home value$341,200$253,600
Bachelor's or higher46.4%36.4%
Poverty rate16.6%19.7%
Unemployment7.3%5.9%
Climate
Avg high temp59°F65°F
Avg low temp45°F48°F
Annual precipitation45.7 in48.6 in
Sunshine % of year55.0%55.0%
Annual solar (kWh/m²)1,4031,408
Air & environment
US AQI11177
Air quality categoryUnhealthy for Sensitive GroupsModerate
PM2.5 (µg/m³)29.128.2
PM10 (µg/m³)29.528.3
Ozone (µg/m³)126.020.0
NO₂ (µg/m³)4.745.0
Wildlife species observed1010
Wildlife observations2,935,0433,166,297
Risk & hazards
Earthquakes (last 10y)613
Largest earthquake (mag)3.84.8
Active weather alerts23
Health
Obesity32.9%
Diabetes12.4%
Smoking12.1%
Schools
Schools total711298
Elementary schools487190
Middle schools3517
High schools16669
Civic & interest
Notable people (Wikidata)1616
Books about this place88
Wikipedia views (last 30d)8,6876,719
Overview
Summary

Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it is the third-most populous city in the United States, with a population of 2.74 million at the 2020 census. The Chicago metropolitan area has 9.41 million residents and is the third-largest metropolitan area in the country. Chicago is the county seat of Cook County, the second-most populous county in the U.S.

Wikipedia

Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania and the sixth-most populous city in the United States. Its population was 1.60 million at the 2020 census and estimated at 1.57 million in 2025. The Philadelphia metropolitan area, also known as the Delaware Valley, has 6.33 million residents and is the nation's ninth-largest metropolitan area. Philadelphia is known for its culture, cuisine, and history, maintaining contemporary influence in business and technology, sports, and music.

Wikipedia

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