| ZIP Codes: | 7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 208 / 986 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:11:56 PM |
| Population: | 24,883 [See All] |
| FIPS: | 16013 |
| CBSA: | Hailey, ID |
| Land Area: | 1,960 sq mi |
| Water Area: | 11 sq mi |
| Coordinates: | 43.5499, -114.2413 |
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24,883 residents live across 7 ZIPs covering 1,960 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 21,134 to 24,883 from 2014 to 2024 — a +17.7% change. 5 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 83353 (Sun Valley, $126,645 median) and poorest ZIP 83320 (Carey, $57,813) are 28.5 miles apart — a 2.2× income gap across local geography.
Median home values vary 3.9× across this county — from $245,500 in 83320 (Carey) to $958,600 in 83340 (Ketchum).
Density varies 87× across the county — from 2 people/sq mi in 83320 (Carey) to 195 in 83353 (Sun Valley).
Educational attainment ranges from 13.7% bachelor's+ in 83320 (Carey) to 70.3% in 83353 (Sun Valley) — the breadth of educational profiles across the area.
Within Idaho, this is the #16 most populous of 46 counties and ranks #3 for median household income with the #16 fastest decade growth .
Weighted by population, the typical household earns about $93,503 across the county — reflecting what a typical resident sees, not a simple ZIP average.
48.1% of adults age 25+ hold a bachelor's degree or higher (8,736 of 18,152 reporting).
5 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
2 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Blaine County grew 17.7% over the past decade — concentrated in 2 high-growth ZIPs:
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 83333 | Hailey | Standard | 12,682 | $99,704 | 432.2 | 15.0% |
| 83340 | Ketchum | Standard | 5,325 | $93,556 | 520.8 | 31.8% |
| 83313 | Bellevue | Standard | 3,692 | $74,575 | 279.3 | -0.6% |
| 83320 | Carey | Standard | 1,600 | $57,813 | 718.1 | 69.9% |
| 83353 | Sun Valley | PO Box | 1,450 | $126,645 | 7.4 | 10.2% |
| 83348 | Picabo | Standard | 124 | — | 2.6 | 59.0% |
| 83354 | Sun Valley | PO Box | 10 | — | 0.0 | -23.1% |