Marion, OH
2025 and 2035 projected population

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

Population Growth Rate (Year over Year)

33,50034,00034,50035,00035,50036,00036,500-2.00%-1.50%-1.00%-0.50%0.00%0.50%1.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

36,053

Growth

0.00%

2021

Population

35,977

Growth

-0.21%

2022

Population

35,344

Growth

-1.76%

2023

Population

35,565

Growth

0.63%

2024

Population

35,576

Growth

0.03%

2025

Population

35,530

Growth

-0.13%

2026

Population

35,372

Growth

-0.45%

2027

Population

35,205

Growth

-0.47%

2028

Population

35,044

Growth

-0.46%

2029

Population

34,886

Growth

-0.45%

2030

Population

34,727

Growth

-0.46%

2031

Population

34,521

Growth

-0.59%

2032

Population

34,310

Growth

-0.61%

2033

Population

34,095

Growth

-0.63%

2034

Population

33,881

Growth

-0.63%

2035

Population

33,672

Growth

-0.62%

Last update at Tue Jun 30 2026

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

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, OH reportDownload sample csv report

Top 25 most populated zip codes in Marion, OH

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
4330254,41354,33553,108View full zip code report, 43302

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