| ZIP Codes: | 10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 208 / 986 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:11:57 PM |
| Population: | 8,248 [See All] |
| FIPS: | 16059 |
| Land Area: | 4,921 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 45.0228, -113.8347 |
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8,248 residents live across 10 ZIPs covering 4,921 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 7,852 to 8,248 from 2014 to 2024 — a +5.0% change. 3 ZIPs gained residents, 5 lost (and 1 held flat).
The county's wealthiest ZIP 83468 (Tendoy, $85,250 median) and poorest ZIP 83464 (Leadore, $40,625) are 37.6 miles apart — a 2.1× income gap across local geography.
Median home values vary 2.4× across this county — from $216,200 in 83464 (Leadore) to $520,000 in 83466 (North Fork).
Educational attainment ranges from 7.6% bachelor's+ in 83463 (Gibbsonville) to 41.2% in 83253 (May) — the breadth of educational profiles across the area.
Within Idaho, this is the #32 most populous of 46 counties and ranks #42 for median household income with the #39 fastest decade growth .
Weighted by population, the typical household earns about $54,388 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.1% of adults age 25+ hold a bachelor's degree or higher (1,478 of 6,139 reporting).
8 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
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.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 83467 | Salmon | Standard | 6,590 | $53,917 | 849.1 | 9.1% |
| 83462 | Carmen | Standard | 667 | — | 96.6 | 15.0% |
| 83464 | Leadore | Standard | 296 | $40,625 | 1,267.1 | -34.2% |
| 83466 | North Fork | Standard | 197 | — | 372.9 | -18.6% |
| 83468 | Tendoy | PO Box | 191 | $85,250 | 3.3 | 37.4% |
| 83253 | May | Standard | 112 | — | 916.9 | 0.0% |
| 83465 | Lemhi | PO Box | 104 | $64,464 | 92.0 | -9.6% |
| 83463 | Gibbsonville | Standard | 66 | $58,000 | 138.9 | -50.0% |
| 83469 | Shoup | Standard | 25 | — | 1,183.8 | -35.9% |
| 83229 | Cobalt | Standard | — | — | 0.0 | — |