Marion, IA
2025 and 2035 projected population

Ever wonder how many people live in Marion, IA 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 Marion, IA for years 2025 through 2035.

Population Growth Rate (Year over Year)

41,50042,00042,50043,00043,50044,00044,500-0.50%0.00%0.50%1.00%1.50%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

41,552

Growth

0.00%

2021

Population

41,660

Growth

0.26%

2022

Population

41,607

Growth

-0.13%

2023

Population

42,127

Growth

1.25%

2024

Population

42,542

Growth

0.99%

2025

Population

43,004

Growth

1.09%

2026

Population

43,121

Growth

0.27%

2027

Population

43,248

Growth

0.29%

2028

Population

43,385

Growth

0.32%

2029

Population

43,527

Growth

0.33%

2030

Population

43,674

Growth

0.34%

2031

Population

43,781

Growth

0.24%

2032

Population

43,888

Growth

0.25%

2033

Population

43,997

Growth

0.25%

2034

Population

44,111

Growth

0.26%

2035

Population

44,228

Growth

0.27%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Marion, IA

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 Marion, IA reportDownload sample csv report

Top 25 most populated zip codes in Marion, IA

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
5230241,74543,38644,060View full zip code report, 52302

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