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Welcome to Blaine County ...

Time Zone: Blaine County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Hailey is the Seat for Blaine County.

Blaine County was founded in 1895 and was created by taking area from Alturas County.

From the Census Estimates for 2019, <1> Blaine had a population of 23,021 people. This is an increase of 8.11% since the last Census (which gave a population of 21,295 people in 2010).

At the time of the 2010 Census, Blaine represented 1.36% of the total population of Idaho.

Below are some of the communities located in Blaine County:

  • Bellevue
    (4 miles [6.4 km] to the northwest)
  • Carey
    (14 miles [22.5 km] to the southeast)
    • Carey is located in Blaine County (ID)
    • Jump to our Gazetteer entry for Carey
    • Population from the 2020 Census: 649 people
    • Jump to TripAdvisor's Tourism page for Carey <2>
  • Hailey
    (8 miles [12.9 km] to the northwest)
    • Hailey is located in Blaine County (ID)
    • Jump to our Gazetteer entry for Hailey
    • Population from the 2020 Census: 8,887 people
    • Jump to TripAdvisor's Tourism page for Hailey <2>
  • Ketchum
    (19 miles [30.6 km] to the northwest)
    • Ketchum is located in Blaine County (ID)
    • Jump to our Gazetteer entry for Ketchum
    • Population from the 2020 Census: 2,910 people
    • Jump to TripAdvisor's Tourism page for Ketchum <2>
  • Sun Valley
    (19 miles [30.6 km] to the northwest)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.