Pekin, IL
2025 and 2035 projected population

Ever wonder how many people live in Pekin, 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 Pekin, IL for years 2025 through 2035.

Population Growth Rate (Year over Year)

29,50030,00030,50031,00031,50032,000-1.00%-0.80%-0.60%-0.40%-0.20%0.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

31,890

Growth

0.00%

2021

Population

31,618

Growth

-0.85%

2022

Population

31,343

Growth

-0.87%

2023

Population

31,290

Growth

-0.17%

2024

Population

31,266

Growth

-0.08%

2025

Population

31,097

Growth

-0.54%

2026

Population

30,982

Growth

-0.37%

2027

Population

30,869

Growth

-0.37%

2028

Population

30,759

Growth

-0.36%

2029

Population

30,648

Growth

-0.36%

2030

Population

30,539

Growth

-0.36%

2031

Population

30,396

Growth

-0.47%

2032

Population

30,248

Growth

-0.49%

2033

Population

30,099

Growth

-0.49%

2034

Population

29,955

Growth

-0.48%

2035

Population

29,815

Growth

-0.47%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Pekin, 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 Pekin, IL reportDownload sample csv report

Top 25 most populated zip codes in Pekin, IL

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
6155441,78640,44639,717View full zip code report, 61554
61564982992979View full zip code report, 61564

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