Belvidere, IL
2025 and 2035 projected population

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

Population Growth Rate (Year over Year)

24,90025,00025,10025,20025,30025,400-1.00%-0.50%0.00%0.50%1.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

25,333

Growth

0.00%

2021

Population

25,153

Growth

-0.71%

2022

Population

25,134

Growth

-0.08%

2023

Population

25,309

Growth

0.70%

2024

Population

25,325

Growth

0.06%

2025

Population

25,133

Growth

-0.75%

2026

Population

25,133

Growth

0.00%

2027

Population

25,141

Growth

0.03%

2028

Population

25,145

Growth

0.02%

2029

Population

25,152

Growth

0.03%

2030

Population

25,161

Growth

0.03%

2031

Population

25,119

Growth

-0.16%

2032

Population

25,075

Growth

-0.18%

2033

Population

25,027

Growth

-0.19%

2034

Population

24,987

Growth

-0.16%

2035

Population

24,950

Growth

-0.15%

Last update at Tue Jun 30 2026

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

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 25 most populated zip codes in Belvidere, IL

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
6100834,52633,46533,502View full zip code report, 61008

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