| ZIP Codes: | 3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 208 / 986 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:11:58 PM |
| Population: | 25,676 [See All] |
| FIPS: | 16075 |
| CBSA: | Ontario, OR-ID |
| Land Area: | 382 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 44.0137, -116.7830 |
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25,676 residents live across 3 ZIPs covering 382 sq mi, served by 3 distinct USPS-recognized cities.
Population moved from 21,193 to 25,676 from 2014 to 2024 — a +21.2% change. 3 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 83655 (New Plymouth, $84,542 median) and poorest ZIP 83661 (Payette, $59,351) are 15.7 miles apart — a 1.4× income gap across local geography.
Median home values vary 1.2× across this county — from $302,300 in 83661 (Payette) to $371,300 in 83655 (New Plymouth).
Density varies 7× across the county — from 39 people/sq mi in 83661 (Payette) to 253 in 83619 (Fruitland).
Educational attainment ranges from 11.9% bachelor's+ in 83661 (Payette) to 23.6% in 83655 (New Plymouth) — the breadth of educational profiles across the area.
Within Idaho, this is the #14 most populous of 46 counties and ranks #23 for median household income with the #12 fastest decade growth .
Weighted by population, the typical household earns about $67,367 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.4% of adults age 25+ hold a bachelor's degree or higher (3,039 of 17,453 reporting).
3 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.