Ottawa, KS
2025 and 2035 projected population

Ever wonder how many people live in Ottawa, KS 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 Ottawa, KS for years 2025 through 2035.

Population Growth Rate (Year over Year)

12,20012,30012,40012,50012,60012,70012,800-0.50%0.00%0.50%1.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

12,625

Growth

0.00%

2021

Population

12,642

Growth

0.13%

2022

Population

12,609

Growth

-0.26%

2023

Population

12,719

Growth

0.87%

2024

Population

12,733

Growth

0.11%

2025

Population

12,670

Growth

-0.49%

2026

Population

12,639

Growth

-0.24%

2027

Population

12,607

Growth

-0.26%

2028

Population

12,576

Growth

-0.24%

2029

Population

12,552

Growth

-0.19%

2030

Population

12,530

Growth

-0.17%

2031

Population

12,481

Growth

-0.40%

2032

Population

12,430

Growth

-0.41%

2033

Population

12,382

Growth

-0.39%

2034

Population

12,337

Growth

-0.36%

2035

Population

12,293

Growth

-0.35%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Ottawa, KS

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 Ottawa, KS reportDownload sample csv report

Top 25 most populated zip codes in Ottawa, KS

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
6606715,51816,04715,869View full zip code report, 66067

Download all US projected population dataset

Our U.S. projected population data by state, county, city, and zip code. And request your free data sample today.

Download dataset