Idaho projected population growth from 2025 through 2035

Idaho, the Gem State, is known for its stunning natural landscapes, outdoor recreation opportunities, and strong sense of community. From the rugged mountains of the Sawtooth Range to the pristine waters of Lake Coeur d'Alene, Idaho offers a haven for outdoor enthusiasts and nature lovers. With a growing economy driven by industries such as technology, agriculture, and outdoor recreation, Idaho continues to attract individuals seeking a high quality of life amidst breathtaking scenery.

Picture from a ciy in Idaho U.S.

Idaho forecasted population

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

Population Growth Rate (Year over Year)

1,800,0001,900,0002,000,0002,100,0002,200,0002,300,0000.00%1.00%2.00%3.00%4.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

1,839,140

Growth

0.00%

2021

Population

1,904,848

Growth

3.57%

2022

Population

1,944,299

Growth

2.07%

2023

Population

1,971,122

Growth

1.38%

2024

Population

2,001,619

Growth

1.55%

2025

Population

2,028,904

Growth

1.36%

2026

Population

2,048,613

Growth

0.97%

2027

Population

2,068,942

Growth

0.99%

2028

Population

2,090,153

Growth

1.03%

2029

Population

2,112,137

Growth

1.05%

2030

Population

2,134,619

Growth

1.06%

2031

Population

2,152,581

Growth

0.84%

2032

Population

2,171,281

Growth

0.87%

2033

Population

2,190,543

Growth

0.89%

2034

Population

2,210,705

Growth

0.92%

2035

Population

2,231,692

Growth

0.95%

Last update at Thu May 28 2026

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

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 Idaho

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

City

2020 census

2025 population

2030 population

2035 population

Open
Meridian117,794142,066152,334161,743View city insights, Meridian
Nampa100,428119,863133,106146,356View city insights, Nampa
Idaho Falls65,62270,36874,11577,776View city insights, Idaho Falls
Caldwell60,17075,23583,10991,173View city insights, Caldwell
Pocatello56,32459,07460,53961,669View city insights, Pocatello
Twin Falls51,84356,25460,15063,989View city insights, Twin Falls
Rexburg39,79040,97441,44741,195View city insights, Rexburg
Post Falls38,60546,52748,80850,831View city insights, Post Falls
Lewiston34,21035,06136,36937,571View city insights, Lewiston
Eagle31,14133,99836,85339,457View city insights, Eagle

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