Pennsylvania projected population growth from 2025 through 2035

Pennsylvania, the Keystone State, is known for its rich history, diverse landscapes, and vibrant cities. From the historic streets of Philadelphia to the scenic beauty of the Pocono Mountains, Pennsylvania offers a blend of urban excitement and natural charm. With a diverse economy supported by industries such as healthcare, manufacturing, and technology, Pennsylvania continues to attract individuals seeking career opportunities and a high quality of life.

Picture from a ciy in Pennsylvania U.S.

Pennsylvania forecasted population

Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Pennsylvania for years 2025 through 2035.

Population Growth Rate (Year over Year)

12,900,00013,000,00013,100,00013,200,00013,300,000-0.40%-0.20%0.00%0.20%0.40%0.60%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

13,002,909

Growth

0.00%

2021

Population

13,015,571

Growth

0.10%

2022

Population

12,984,990

Growth

-0.23%

2023

Population

13,017,721

Growth

0.25%

2024

Population

13,078,751

Growth

0.47%

2025

Population

13,095,554

Growth

0.13%

2026

Population

13,107,626

Growth

0.09%

2027

Population

13,126,162

Growth

0.14%

2028

Population

13,151,008

Growth

0.19%

2029

Population

13,182,032

Growth

0.24%

2030

Population

13,219,514

Growth

0.28%

2031

Population

13,219,561

Growth

0.00%

2032

Population

13,225,442

Growth

0.04%

2033

Population

13,237,311

Growth

0.09%

2034

Population

13,255,137

Growth

0.13%

2035

Population

13,278,908

Growth

0.18%

Last update at Thu May 28 2026

Zip code level csv report on population forecast and economic development in Pennsylvania

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

Top 10 most populated cities in Pennsylvania

Our model provides a detailed 2025 through 2035 forecasted population growth for every city and zip code in Pennsylvania.

City

2020 census

2025 population

2030 population

2035 population

Open
Philadelphia1,603,7941,620,5891,684,5471,725,467View city insights, Philadelphia
Pittsburgh302,960309,870311,091309,976View city insights, Pittsburgh
Allentown125,855126,902130,541133,555View city insights, Allentown
Reading95,10095,46997,45898,952View city insights, Reading
Erie95,01793,16793,94094,158View city insights, Erie
Scranton76,34075,89476,37076,574View city insights, Scranton
Bethlehem75,79579,10679,28879,446View city insights, Bethlehem
Lancaster58,05158,40059,39360,283View city insights, Lancaster
Harrisburg50,08051,36153,65155,105View city insights, Harrisburg
York44,79345,19945,77246,212View city insights, York

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