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Cities and Towns in the United States > State Illinois

Illinois


Illinois is bordered by Wisconsin in the north; Lake Michigan, Indiana, and Kentucky in the east; Kentucky and Missouri in the south; and Missouri and Iowa in the west. With a population of 12,671,821 (January 2020), Illinois is the sixth largest population, and the 25th largest land area of all U.S. states. The capital of Illinois is Springfield, but the biggest city is Chicago. Its governor is J. B. Pritzker, an American businessman, co-founder of the Pritzker Group, and a member of the Pritzker family that owns the Hyatt hotel chain.

The first Europeans to reach the area were French explorers Jacques Marquette and Louis Jolliet, who arrived in 1673. In 1717 Illinois became part of the Louisiana territory, a French colony, but in 1763 the French ceded the region to Britain. After the American Revolution, Illinois became a U.S. territory, and in 1818 it was declared the 21st state.

Because of its geographic position and its long north-south axis, Illinois has wide regional variations in temperature. Across the state, seasonal temperature variation also tends to be great, with typically cold, snowy winters and hot summers. Much of Illinois was once covered in prairie grass, earning the state its nickname. The diversified nature of its economy, strength in manufacturing, agriculture, finance, mining, transportation, government, technology, and services (including tourism) makes Illinois a microcosm of the national economy.

The state’s official snack food is popcorn, which can be served Chicago-style: with a mixture of cheese-covered and caramel-covered popcorn.

Illinois’ slogan is "the Land of Lincoln" because Abraham Lincoln lived there for 31 years. Today, visitors can see Lincoln’s home and his tomb in Springfield.

Illinois Statistics

Number of cities/towns/villages1299
Number of counties102
Population12569541
Area149995 km²
Density84 people/km²
Altitude376 m
Major citiesChicago, Aurora, Naperville, Joliet, Rockford
Ethnicity

White: 60%

Black: 14%

Hispanic: 17%

Asian: 6%

Crime rate1880
GDP$945 billion
Median household income$73215

Common questions about Illinois

What is the cheapest place to live in Illinois?

Cairo is often considered the cheapest area or most affordable place to live in Illinois (IL). The cost of living in this region is significantly lower than most other parts of the state, making it an attractive option for those seeking budget-friendly housing and living expenses.

What is the safest city, town or area in Illinois?

Naperville is frequently ranked as one of the safest cities in Illinois. With low crime rates and a high quality of life, it offers residents a secure and welcoming environment. The city invests in community policing and effective public safety strategies, contributing to its reputation for safety.

What is the city with the best weather in Illinois?

Peoria is known for having some of the best weather in Illinois. It experiences milder winters compared to northern parts of the state and enjoys pleasant spring and fall seasons. While summers can be warm, overall, the climate is relatively moderate, offering a balanced mix of seasonal changes.

If you want information about your city in Illinois, click on the Illinois city names or Illinois town names below:

Get the contact information for all cities in this state. Find general information, official websites, email, phone numbers, addresses, and much more.

Complete List of Cities in Illinois

  • OAKWOOD HILLS

    Oakwood Hills is a Village in McHenry county with inhabitants.

  • OLD MILL CREEK

    Old Mill Creek is a Village in Lake county with inhabitants.

  • OLYMPIA FIELDS

    Olympia Fields is a Village in Cook county with inhabitants.

  • ORLAND HILLS

    Orland Hills is a Village in Cook county with inhabitants.

  • ORLAND PARK

    Orland Park is a Village in Cook county with inhabitants.

  • OSWEGO

    Oswego is a Village in Kendall county with inhabitants.

  • PALATINE

    Palatine is a Village in Cook county with inhabitants.

  • PALOS HEIGHTS

    Palos Heights is a City in Cook county with inhabitants.

  • PALOS HILLS

    Palos Hills is a City in Cook county with inhabitants.

  • PALOS PARK

    Palos Park is a Village in Cook county with inhabitants.

  • PARK CITY

    Park City is a City in Lake county with inhabitants.

  • PARK FOREST

    Park Forest is a Village in Cook county with inhabitants.

  • PARK RIDGE

    Park Ridge is a City in Cook county with inhabitants.

  • PEOTONE

    Peotone is a Village in Will county with inhabitants.

  • PHOENIX

    Phoenix is a Village in Cook county with inhabitants.

  • PINGREE GROVE

    Pingree Grove is a Village in Kane county with inhabitants.

  • PLAINFIELD

    Plainfield is a Village in Will county with inhabitants.

  • PLANO

    Plano is a City in Kendall county with inhabitants.

  • PLATTVILLE

    Plattville is a Village in Kendall county with inhabitants.

  • PORT BARRINGTON

    Port Barrington is a Village in Lake county with inhabitants.

  • POSEN

    Posen is a Village in Cook county with inhabitants.

  • PRAIRIE GROVE

    Prairie Grove is a Village in McHenry county with inhabitants.

  • PROSPECT HEIGHTS

    Prospect Heights is a City in Cook county with inhabitants.

  • RICHMOND

    Richmond is a Village in McHenry county with inhabitants.

  • RICHTON PARK

    Richton Park is a Village in Cook county with inhabitants.

  • RINGWOOD

    Ringwood is a Village in McHenry county with inhabitants.

  • RIVER FOREST

    River Forest is a Village in Cook county with inhabitants.

  • RIVER GROVE

    River Grove is a Village in Cook county with inhabitants.

  • RIVERDALE

    Riverdale is a Village in Cook county with inhabitants.

  • RIVERSIDE

    Riverside is a Village in Cook county with inhabitants.

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