Marshalltown, IA
2025 and 2035 projected population

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

Population Growth Rate (Year over Year)

27,00027,50028,00028,50029,00029,500-0.50%0.00%0.50%1.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

27,592

Growth

0.00%

2021

Population

27,461

Growth

-0.47%

2022

Population

27,491

Growth

0.11%

2023

Population

27,737

Growth

0.89%

2024

Population

27,886

Growth

0.54%

2025

Population

28,084

Growth

0.71%

2026

Population

28,179

Growth

0.34%

2027

Population

28,276

Growth

0.34%

2028

Population

28,370

Growth

0.33%

2029

Population

28,471

Growth

0.36%

2030

Population

28,575

Growth

0.36%

2031

Population

28,674

Growth

0.35%

2032

Population

28,770

Growth

0.34%

2033

Population

28,867

Growth

0.34%

2034

Population

28,970

Growth

0.36%

2035

Population

29,078

Growth

0.37%

Last update at Tue Jun 30 2026

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

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

Top 25 most populated zip codes in Marshalltown, IA

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
5015830,73631,51132,061View full zip code report, 50158

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