Lewistown, MT
2025 and 2035 projected population

Ever wonder how many people live in Lewistown, MT 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 Lewistown, MT for years 2025 through 2035.

Population Growth Rate (Year over Year)

5,9506,0006,0506,1006,1506,2006,250-0.50%0.00%0.50%1.00%1.50%2.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

5,955

Growth

0.00%

2021

Population

6,054

Growth

1.66%

2022

Population

6,083

Growth

0.48%

2023

Population

6,178

Growth

1.56%

2024

Population

6,204

Growth

0.42%

2025

Population

6,228

Growth

0.39%

2026

Population

6,201

Growth

-0.43%

2027

Population

6,178

Growth

-0.37%

2028

Population

6,158

Growth

-0.33%

2029

Population

6,143

Growth

-0.25%

2030

Population

6,129

Growth

-0.22%

2031

Population

6,100

Growth

-0.47%

2032

Population

6,075

Growth

-0.41%

2033

Population

6,053

Growth

-0.36%

2034

Population

6,036

Growth

-0.28%

2035

Population

6,022

Growth

-0.23%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Lewistown, MT

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 Lewistown, MT

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
594579,0589,2409,093View full zip code report, 59457

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