Galesburg, IL
2025 and 2035 projected population

Ever wonder how many people live in Galesburg, IL and how fast that number changes?

Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Galesburg, IL for years 2025 through 2035.

Population Growth Rate (Year over Year)

27,00028,00029,00030,00031,000-1.50%-1.00%-0.50%0.00%0.50%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

30,042

Growth

0.00%

2021

Population

29,646

Growth

-1.32%

2022

Population

29,292

Growth

-1.19%

2023

Population

29,260

Growth

-0.11%

2024

Population

29,289

Growth

0.10%

2025

Population

29,039

Growth

-0.85%

2026

Population

28,866

Growth

-0.60%

2027

Population

28,693

Growth

-0.60%

2028

Population

28,524

Growth

-0.59%

2029

Population

28,356

Growth

-0.59%

2030

Population

28,190

Growth

-0.59%

2031

Population

27,991

Growth

-0.71%

2032

Population

27,790

Growth

-0.72%

2033

Population

27,592

Growth

-0.71%

2034

Population

27,398

Growth

-0.70%

2035

Population

27,203

Growth

-0.71%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Galesburg, IL

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

Contact Us for the full Galesburg, IL reportDownload sample csv report

Top 25 most populated zip codes in Galesburg, IL

Our model provides a detailed 2025 through 2035 projected population growth for every zip code in Galesburg, IL.

U.S. Zip code

2020 census

2025 population

2030 population

Open
6140132,83130,25929,370View full zip code report, 61401
61430603670654View full zip code report, 61430

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