Connecticut projected population growth from 2025 through 2035

Connecticut, the Constitution State, is known for its charming coastal towns, rich history, and proximity to major metropolitan areas. From the picturesque shores of Long Island Sound to the historic streets of Hartford and New Haven, Connecticut offers a blend of New England charm and modern convenience. With a diverse economy supported by industries such as finance, healthcare, and manufacturing, Connecticut continues to attract individuals seeking a high quality of life and easy access to cultural amenities.

Picture from a ciy in Connecticut U.S.

Connecticut forecasted population

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

Population Growth Rate (Year over Year)

3,600,0003,620,0003,640,0003,660,0003,680,000-0.20%0.00%0.20%0.40%0.60%0.80%1.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

3,607,701

Growth

0.00%

2021

Population

3,606,607

Growth

-0.03%

2022

Population

3,617,925

Growth

0.31%

2023

Population

3,643,023

Growth

0.69%

2024

Population

3,675,069

Growth

0.88%

2025

Population

3,677,204

Growth

0.06%

2026

Population

3,674,651

Growth

-0.07%

2027

Population

3,672,624

Growth

-0.06%

2028

Population

3,671,302

Growth

-0.04%

2029

Population

3,670,366

Growth

-0.03%

2030

Population

3,669,635

Growth

-0.02%

2031

Population

3,664,570

Growth

-0.14%

2032

Population

3,659,688

Growth

-0.13%

2033

Population

3,654,931

Growth

-0.13%

2034

Population

3,650,670

Growth

-0.12%

2035

Population

3,646,778

Growth

-0.11%

Last update at Tue Jun 30 2026

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

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 Connecticut

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

City

2020 census

2025 population

2030 population

2035 population

Open
Bridgeport148,637152,120154,169155,978View city insights, Bridgeport
Stamford135,453139,650141,690143,490View city insights, Stamford
New Haven133,986137,597137,148136,066View city insights, New Haven
Hartford121,631122,249122,342121,852View city insights, Hartford
Waterbury114,457115,936115,588114,723View city insights, Waterbury
Norwalk91,18894,04495,55496,887View city insights, Norwalk
Danbury86,86389,01190,26991,380View city insights, Danbury
New Britain74,15075,92275,88075,567View city insights, New Britain
Bristol60,86162,24062,20361,922View city insights, Bristol
Meriden60,83360,86260,65260,158View city insights, Meriden

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