Saint John, IN
2025 and 2035 projected population

Ever wonder how many people live in Saint John, IN 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 Saint John, IN for years 2025 through 2035.

Population Growth Rate (Year over Year)

20,00021,00022,00023,00024,00025,000-2.00%0.00%2.00%4.00%6.00%8.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

20,322

Growth

0.00%

2021

Population

21,526

Growth

5.92%

2022

Population

22,833

Growth

6.07%

2023

Population

23,629

Growth

3.49%

2024

Population

24,250

Growth

2.63%

2025

Population

24,431

Growth

0.75%

2026

Population

24,358

Growth

-0.30%

2027

Population

24,293

Growth

-0.27%

2028

Population

24,234

Growth

-0.24%

2029

Population

24,179

Growth

-0.23%

2030

Population

24,128

Growth

-0.21%

2031

Population

24,054

Growth

-0.31%

2032

Population

23,981

Growth

-0.30%

2033

Population

23,911

Growth

-0.30%

2034

Population

23,843

Growth

-0.28%

2035

Population

23,779

Growth

-0.27%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Saint John, IN

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 Saint John, IN

Our model provides a detailed 2025 through 2035 projected population growth for every zip code in Saint John, IN.

U.S. Zip code

2020 census

2025 population

2030 population

Open
4637316,67018,64018,402View full zip code report, 46373

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