Illinois projected population growth from 2025 through 2030

Illinois, the Prairie State, is known for its vibrant cities, diverse culture, and rich history. From the iconic skyline of Chicago to the rolling farmland of central Illinois, the state offers a blend of urban sophistication and rural charm. With a diverse economy supported by industries such as finance, manufacturing, and healthcare, Illinois continues to attract individuals seeking career opportunities and cultural amenities.

Picture from a ciy in Illinois U.S.

Illinois forecasted population

Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Illinois for years 2025 through 2030.

Illinois Last population count in 2020
12,716,164

According to the latest census data, Illinois ranks as the 13th most populous state in the U.S.

Illinois Projected population by 2025
12,750,139

For year 2025, Illinois population is expected to grow 0.3% from 2020.

Illinois Projected population by 2030
12,692,066

For year 2030, Illinois population is expected to decrease -0.5% from 2025.

Last update at Mon Nov 25 2024

Zip code level csv report on population forecast and economic development in Illinois

Our team has created a comprehensive report on population forecast and economic development by zip code using our proprietary AI models.

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Top 10 most populated cities in Illinois

Our model provides a detailed 2025 through 2030 forecasted population growth for every city and zip code in Illinois.

City

2020 census

2025 population

2030 population

Open
Chicago2,699,3472,735,9402,759,609View city insights, Chicago
Aurora199,326203,230210,712View city insights, Aurora
Naperville147,734150,178152,924View city insights, Naperville
Rockford147,441148,030150,330View city insights, Rockford
Joliet147,323150,808152,059View city insights, Joliet
Springfield115,075114,671115,687View city insights, Springfield
Peoria112,644113,167114,362View city insights, Peoria
Elgin112,062114,973116,940View city insights, Elgin
Champaign88,28889,21292,431View city insights, Champaign
Waukegan87,15788,60288,501View city insights, Waukegan

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