These Are the 6 Fastest Growing Counties in Idaho

Recent years have seen Americans move from big cities to small towns. Idaho has had a major population increase in recent years. About 25% of Idahoans are newcomers, according to a University of Idaho survey.

Idaho’s beauty and affordable property prices have captivated many. Idaho boasts larger homes for first-time buyers than elsewhere. Idaho is also one of the most gorgeous states. Mountains, lakes, and waterfalls dot the state.

Are you curious about Idaho’s six fastest-growing counties? Below, we’ll list each county’s population growth in recent years.

Ada County

These Are the 6 Fastest Growing Counties in Idaho

Ada County has the largest population growth. In the southwest of the state, Boise is in Ada County. Idaho’s capital is Boise. Ada County is the most populous in the state. About 26.8% of the state’s population lives in this county. This county in the high desert has deserts, slopes, and rivers. A lovely combination of rural and urban environments.

Population growth has been high in this county. The US Census Bureau estimated 498,260 people in July 2020. The population rose to 518,907 on July 1, 2022. The county gained almost 20,000 residents in two years.

Canyon County

Canyon County is Idaho’s second-most populous. The county’s major city is Nampa. First-time homebuyers choose Nampa because it’s inexpensive and family-friendly. Caldwell’s College of Idaho, Treasure Valley Community College, Nampa’s Northwest Nazarene University, and College of Western Idaho are also in the county.

The location is extremely popular with wine aficionados. This county has over 15 wineries and 74,000 acres of wine-growing territory.

These Are the 6 Fastest Growing Counties in Idaho

The population has grown significantly. Around 193,734 people lived there in July 2012. The population rose to 251,065 on July 1, 2022.

You May Also Like:


Third on our list and third most populous is Kootenai County. Kootenai County is in northern Idaho. Many outdoor enthusiasts live in this county because of its stunning scenery. The nation’s largest city is Coeur d’Alene. Lake Coeur d’Alene, where numerous water sports are played, is stunning. Other outdoor hobbies include hiking, camping, fishing, and hunting.

These Are the 6 Fastest Growing Counties in Idaho

This is another Idaho county with a large population increase. July 2020 saw 172,790 residents. This number rose to 183,578 in July 2022. Kootenai County’s environment and activities seem to have captivated many.


In recent years, Booneville County has become popular in Idaho. This southeast Idaho county is in the Upper Snake River Valley. Idaho Falls, the county’s largest city, is popular for several reasons.

First, this city has many paths and a beautiful waterfall. The diverse Art Museum of Eastern Idaho and the Idaho Falls Zoo at Tautphaus Park have lions, penguins, and more. This city has so much to offer that the county has increased in population.

The US Census Bureau estimates 124,716 people in July 2020. Two years later, this figure skyrocketed. Total population was 129,496 in July 2022. The population was 106,764 in 2012, 11 years ago.

These Are the 6 Fastest Growing Counties in Idaho

Also Read: 6 Biggest Natural Disasters That Severely Impacted the Economy of Texas

Twin Falls County

The fifth most populous county in Idaho is Twin Falls County in the south-central region. This county’s major city is Twin Falls. Due to its proximity to Snake River Canyon, Twin Falls is popular with visitors and residents.

Shoshone Falls is another must-see in Twin Falls. This beautiful waterfall is 212 feet tall and 900 feet broad. One of the largest natural waterfalls in the US.

The population of this little county has grown steadily. The 2012 population estimate was 78,550. The last US Census in 2022 projected a population of 93,696. This county’s population is growing due to its many outdoor activities, breweries, and restaurants.

These Are the 6 Fastest Growing Counties in Idaho

Learn More: Population in These Nebraska Counties is Decreasing Very Fastly

Bannock County

Bannock County is in southeast Idaho. The sixth-largest county in Idaho is home to Pocatello, Chubbuck, and McCammon. The county was founded in 1893 and named after the local Bannock tribe. An unassuming mountain town, Pocatello offers many outdoor activities and dining and entertainment opportunities. The city hosts Idaho State University.

A population of 89,517 in July 2022 may not seem like much, but this county has grown significantly throughout the years. Only 83,020 people lived in 2010. Many Americans are moving to Bannock County for the serene mountain life.

Read More: This City Has the Highest Obesity Rate in California


Idaho’s population surge, driven by its scenic beauty and affordable housing, highlights significant growth in counties like Ada, Canyon, and Kootenai. Cities such as Boise and Nampa attract newcomers, while outdoor enthusiasts find allure in regions like Twin Falls and Bannock. The state’s diverse landscapes and thriving communities continue to draw Americans seeking a vibrant and dynamic living experience.

Leave a Reply

Your email address will not be published. Required fields are marked *