| ZIP Codes: | 9 ZIP Codes (5 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 208 / 986 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:11:56 PM |
| Population: | 6,384 [See All] |
| FIPS: | 16007 |
| Land Area: | 1,114 sq mi |
| Water Area: | 74 sq mi |
| Coordinates: | 42.2690, -111.3509 |
| Quick Link: |
6,384 residents live across 9 ZIPs covering 1,114 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 5,800 to 6,384 from 2014 to 2024 — a +10.1% change. 6 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 83287 (Fish Haven, $102,059 median) and poorest ZIP 83254 (Montpelier, $64,839) are 18.5 miles apart — a 1.6× income gap across local geography.
Median home values vary 3.3× across this county — from $215,900 in 83239 (Georgetown) to $703,100 in 83287 (Fish Haven).
Density varies 19× across the county — from 1 people/sq mi in 83238 (Geneva) to 15 in 83261 (Paris).
Educational attainment ranges from 11.4% bachelor's+ in 83223 (Bloomington) to 28.9% in 83287 (Fish Haven) — the breadth of educational profiles across the area.
Within Idaho, this is the #37 most populous of 46 counties and ranks #5 for median household income with the #25 fastest decade growth .
Weighted by population, the typical household earns about $73,819 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.6% of adults age 25+ hold a bachelor's degree or higher (869 of 4,227 reporting).
5 Standard delivery, 4 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 83254 | Montpelier | Standard | 3,792 | $64,839 | 476.5 | -0.4% |
| 83239 | Georgetown | PO Box | 887 | $85,000 | 123.5 | 65.2% |
| 83261 | Paris | PO Box | 562 | $95,000 | 36.4 | 13.5% |
| 83223 | Bloomington | PO Box | 255 | $79,583 | 17.5 | 121.7% |
| 83287 | Fish Haven | Standard | 255 | $102,059 | 35.7 | -6.6% |
| 83272 | Saint Charles | Standard | 219 | $77,614 | 192.0 | -33.4% |
| 83233 | Dingle | PO Box | 147 | — | 48.5 | 950.0% |
| 83220 | Bern | Standard | 138 | $78,021 | 22.7 | 2.2% |
| 83238 | Geneva | Standard | 129 | $90,491 | 161.0 | 35.8% |