Blaine County, Idaho
Blaine County: county in Idaho, United States
About
Blaine County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 21,376 and a population density of 3 people per km². After 9 years in 2019 county had an estimated population of 23,021 inhabitants. Its county seat is Hailey. The county was created 131 years ago in 1895.
County Snapshot
Blaine County at a glance
Blaine County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
5
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Idaho counties
44
Open related pagesLargest city
HaileyPopulation 8,689
Top linked places
Quick Facts about Blaine County
| Population | 23,021 (2019) |
| Country | United States of America |
| State | Idaho (United States) |
| Different from | Blaine County, Blaine County, Blaine County |
| Area | 6892 km2 |
| Water as percent of area | 0.6% |
| Land as percent of area | 99.4% |
| Latitude & Longitude | 43.4123,-113.9804 |
| Named for | James G. Blaine |
| Altitude | 7,530 feet / 2295 meters |
| Capital | Hailey |
| Establishment | March 05, 1895 |
| Time Zone | America/Boise |
| Local time | 15:16:16 (17th April 2026) |
| Density | 3 Pop. per km² as of 2019 |
| Population growth | 7.15% (2010-2019) |
Geography
Blaine County is located at 43°24'44"N 113°58'49"W (43.4123300, -113.9804000). It has 5 neighbors: Custer County, Camas County, Lincoln County, Minidoka County and Power County.
Blaine County map
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The largest city of Blaine County is Hailey with a population of 8,689. Other cities include, Ketchum population 2,855, Bellevue population 2,456, Sun Valley population 1,486 and Carey population 645. See all Blaine County cities & populated places.
Blaine County Populated Places
Cities, towns, neighborhoods & other populated places in Blaine County.
| City Name | Population | Title |
|---|---|---|
| Hailey | 8,689 | City in Idaho |
| Ketchum | 2,855 | City in Blaine County, Idaho, United States |
| Bellevue | 2,456 | City in Idaho, United States |
| Sun Valley | 1,486 | Resort city in Blaine County, Idaho, United States |
| Carey | 645 | City in Blaine County, Idaho, United States |
Official website of Blaine County
Official Website- Hailey
Demographics
The population of Blaine County increased by 7.15% in 9 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 21,376 | - | census |
| 2011 | 21,083 | -1.39% | estimation process |
| 2012 | 21,127 | 0.21% | estimation process |
| 2013 | 21,325 | 0.93% | estimation process |
| 2014 | 21,455 | 0.61% | estimation process |
| 2015 | 21,636 | 0.84% | estimation process |
| 2016 | 22,062 | 1.93% | estimation process |
| 2017 | 22,373 | 1.39% | estimation process |
| 2018 | 22,771 | 1.75% | estimation process |
| 2019 | 23,021 | 1.09% | estimation process |
People born in Blaine County (2)
People born in Blaine County, including bicycle racer Joshua Berry, Levi Siver, .
More notable people
Other places with the same name (3)
- Blaine County, Oklahoma county in Oklahoma, United States with a population of 9,447 people.
- Blaine County, Montana county in northern Montana, United States with a population of 6,568 people.
- Blaine County, Nebraska county in Nebraska, United States with a population of 457 people.
Idaho Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Ada County | 481,587 | County in Idaho, United States |
| Canyon County | 229,849 | County in Idaho, United States |
| Boise | 228,959 | The capital of Idaho. |
| Kootenai County | 165,697 | County in Idaho, United States |
| Bonneville County | 119,062 | County in Idaho, United States |
| Meridian | 114,161 | The most populous city in Ada County, Idaho. |
| Nampa | 99,277 | The most populous city in Canyon County, Idaho. |
| Bannock County | 87,808 | County in Idaho, United States |
| Twin Falls County | 86,878 | County in Idaho, United States |
| Idaho Falls | 62,888 | The most populous city in Bonneville County, Idaho. |
| Caldwell | 58,481 | The most populous city in Canyon County, Idaho. |
| Pocatello | 56,637 | The most populous city in Bannock County, Idaho. |
| Coeur d'Alene | 52,414 | A city in Kootenai County, Idaho. |
| Twin Falls | 50,197 | The most populous city in Twin Falls County, Idaho. |
| Bingham County | 46,811 | County in Idaho, United States |
| Bonner County | 45,739 | County in Idaho, United States |