Portsmouth, NH
2025 and 2035 projected population

Ever wonder how many people live in Portsmouth, NH 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 Portsmouth, NH for years 2025 through 2035.

Population Growth Rate (Year over Year)

21,50022,00022,50023,00023,50024,000-0.50%0.00%0.50%1.00%1.50%2.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

21,959

Growth

0.00%

2021

Population

22,357

Growth

1.81%

2022

Population

22,652

Growth

1.32%

2023

Population

22,763

Growth

0.49%

2024

Population

22,938

Growth

0.77%

2025

Population

23,310

Growth

1.62%

2026

Population

23,336

Growth

0.11%

2027

Population

23,378

Growth

0.18%

2028

Population

23,438

Growth

0.26%

2029

Population

23,515

Growth

0.33%

2030

Population

23,605

Growth

0.38%

2031

Population

23,573

Growth

-0.14%

2032

Population

23,550

Growth

-0.10%

2033

Population

23,534

Growth

-0.07%

2034

Population

23,533

Growth

-0.00%

2035

Population

23,543

Growth

0.04%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Portsmouth, NH

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 Portsmouth, NH

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

U.S. Zip code

2020 census

2025 population

2030 population

Open
0380122,42423,76324,064View full zip code report, 03801

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