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Ketchum city, ID

ZIP Code 83340 — Ketchum city, ID Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
5,379
Median Income
$86,650
+15% vs US avg
Home Value
$860,400
+147% vs US avg
Median Rent
$1,150
-1% vs US avg
Median Age
53.9 yrs
+39% vs US avg
Area Code
Congress
Top Ancestry
GermanAmericanEnglish
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Location
Coordinates
43.7361, -114.5822
Elevation
5,890 ft
Land Area
555.7 sq mi
Water Area
3.1 sq mi (1% water)

At a glance

Population
5,379
Density
N/A
Median income
$86,650
+15% vs US avg
Home value
$860,400
+147% vs US avg
Median rent
$1,150
-1% vs US avg
Timezone

Overview of ZIP Code 83340

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What to know about ZIP 83340

ZIP code 83340 covers Ketchum, ID in Blaine County with a population of about 5,379.

At a glance, the area shows median age of 53.9 versus a U.S. median of about 38.9.

It sits in telephone area codes 208, 986; U.S. House district ID-2; the TWIN FALLS media market.

Income and economy in Ketchum, ID

Median household income in ZIP 83340 is about $86,650 — about 15% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.1%; unemployment rate near 0.7%; 55.5% of adults with a bachelor’s degree or higher (about 21.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Retail trade, and Food services; about 17.8% of workers reporting work-from-home (about 2.6 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 83340

Median home value is about $860,400 — about 147% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,150 (about even with the U.S. median rent ($1,163)), and owner-occupancy near 75.4% (about 10.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 83340 in Ketchum, ID, a household would need roughly $237,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $5,527. That is about 174% above the local median household income ($86,650), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Ketchum city, ID as Relatively Low (composite score 65.4), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (93.8) and flood (70.5). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Ketchum city, ID show little to no average snow and around 17.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 354 for ZIP 83340 (Ketchum city, ID) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport SUN (21.5 miles (34.6 km)) · College of Southern Idaho (80.1 miles (128.9 km)) · Craters Of The Moon National Monument & Preserve (66.4 miles (106.9 km)) · VA: Mountain Home Idaho Outpatient Clinic (69.4 miles (111.6 km))

Full lists and map pins are in the Infrastructure section below.