Biggest Cities In Illinois

Chicago is the biggest city in the U.S. state of Illinois, and also the third most populous city in the entire country.


Illinois State is located in the Midwestern parts of the US. Its capital is Springfield while Chicago is the largest city. The official language is English. On average, households have an income of $54,124 USD. Illinois boasts of mineral deposits such as coal and petroleum, and the production of energy from the wind and nuclear power. The biggest cities in Chicago in terms of population are Chicago, Aurora, and Rockford.

Biggest Cities In Illinois


Chicago is the most populated City in Illinois and ranks third in the entire country with an estimated population of 2,720,546. Due to population pressure, house rates are high, resulting in a high cost of living, the mean price of a home being higher by 28% than the rest of US. The crime rate is very high with low levels of employment and high poverty levels to blame. Even though traffic jams are frequent in the city, it is well served by an efficient road and rail network.


Aurora, ranking second among the biggest cities in Illinois, occupies an area of 45.80 square miles and with a population density of 4,404 persons per square mile. It is a production city with huge manufacturing firms setting up plants in the area. Occupants of the city enjoy a variety of amenities but have a higher cost of living. Surprisingly, the city experiences low levels of crime with the crime rate being 40% lower that of the entire US. The education sector is still struggling with only 31.2% of residents having attained a bachelor's degree.


Rockford is found in north central parts of Illinois and is made up of four counties. The population of the city is estimated at 420,215 people. The cost of housing in Rockford is lower than the national mean cost by 23% with the mean rent cost being $671 USD. The average number of people living in a household is 2.4 people which are 10% lower than the national average rate. The education sector is developed with a student/teacher ratio 19:1 and 92.6% of people having completed high school. The crime rate is very low with only seven violent crime cases reported in the past year, making the city safer than 72% of cities in the country. The pollution index is 72% lower than the national average.

The biggest cities in Illinois are not always the best cities in the state in terms of living standards. Often, a burgeoning population reduces the availability of infrastructural and housing facilities. Crime levels also increase in densely populated cities.

Top Cities In Illinois


Hinsdale is one of wealthiest towns in the US being listed in the top 1% of wealthiest cities in Illinois. The town is located twenty miles from Chicago and has a population of 16,816 and a population density of 3,655.7 persons per square mile. The Per capita income is $75,596 USD with an average home being valued at$831,700. White Americans make up 90% of the population. Residents in this town are wealthy; the mean rental cost is 71% higher than the national average. Education levels are very high with 97.8% having completed high school and 77.2% having a bachelor’s degree. Crime levels are very low with only one violent crime case reported for the whole year and unemployment rate being at 3.6%. However, the pollution index is 193% higher than the national average.


Winnetka town is second in the livability index with a population of 12,187. It is ranked as the wealthiest municipality in Illinois and second in the US. The cost of living is 100% higher than the national average cost of living index. The housing cost is 318% higher than the national average. Education levels are very high with average test scores of 98% and 87.4% of the residents having a bachelor’s degree. There are ample amenities in Winnetka, and the crime incidents are very low with only two cases of violent crimes reported in a period of one year. Unemployment and poverty are very low, and the air quality is good with pollution index being 25% better than the national average.

Western Springs

Western Springs, another one of the top cities in Illinois, is located in Cook County. A business magazine listed the town in the top fifty best places to raise children. Education levels are high with 99% of the population having completed 8th grade while 98.9% completing high school education. The cost of housing is 158% higher than the national average with the mean rental cost is $1,783. 94.9% of households are owner-occupied, and a mean home price is $500,600.

What is the Biggest City in Illinois?

Chicago is the biggest city in the U.S. state of Illinois, and also the third most populous city in the entire country. Other major cities include Aurora, Rockford, and Joliet.

Biggest Cities In Illinois

1Chicago 2,695,598
2Aurora 197,899
3Rockford 152,871
4Joliet 147,433
5Naperville 141,853
6Springfield 116,250
7Peoria 115,007
8North Peoria113,004
9Elgin 108,188
10Waukegan 89,078


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