Postal Codes

83218 ZIP Code

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ZIP code 83218 covers Basalt, Idaho, with a population of about 520 and a median household income of $71,500.

Population
5201,151 per square mile
Median age
36.72 points below the US average
Median household income
$71,500about the Idaho median
Poverty rate
3.5%8.9 points below the US average
Median home value
$267,90029% below the Idaho median
Median rent
$1,02511% below the Idaho median
Degree or higher
11.5%23.5 points below the US average
Homeownership
89.7%24.7 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time

Where 83218 is

Basalt, Idaho — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population520
Median age36.7
Family households72.8%
Born outside the US5.8%
Speaks a language other than English at home13.1%
White (non-Hispanic)75%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.6%
Hispanic or Latino14.6%
Veterans8.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$71,500
Income per person$29,199
Poverty rate3.5%
Households on SNAP or cash assistance11.4%

Household income distribution

Under $10k1.1%
$10–15k1.1%
$15–20k7.1%
$20–25k0.5%
$25–30k4.9%
$30–35k3.8%
$35–40k6.0%
$40–45k1.6%
$45–50k7.1%
$50–60k6.0%
$60–75k12.5%
$75–100k15.8%
$100–125k7.1%
$125–150k20.1%
$150–200k5.4%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$267,900
Median gross rent$1,025
Owner-occupied89.7%
Vacant homes2.6%
Median year built1970

What the homes are

Detached house87.3%
Attached house2.6%
Mobile home10.1%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.4%
Bachelor's degree or higher11.5%
High school diploma or higher89.1%
Works from home13.8%
Drives to work alone74.2%
Takes public transport0.4%
Commutes 45 minutes or more25.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.6% 4.2 pts above the national average of 33.4%
Diagnosed diabetes11.3% 0.7 pts below the national average of 12%
Currently smokes12.7% 0.5 pts below the national average of 13.2%
High blood pressure35.4% 1.3 pts above the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)9.6% 1.7 pts below the national average of 11.3%
Depression22% same as the national average of 21.9%
No leisure-time physical activity23.5% 1.9 pts below the national average of 25.4%
Arthritis30.2% 5.1 pts above the national average of 25.1%
Binge drinking13% 3 pts below the national average of 16%
Taking blood pressure medication73.8% 0.9 pts below the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease7.2% 1 pts above the national average of 6.2%
Routine check-up in past year76.2% 0.5 pts below the national average of 76.7%
Cholesterol screening83.6% 2.3 pts below the national average of 85.9%
Cognitive disability15.4% 0.6 pts above the national average of 14.8%
Colorectal screening59.9% 4.4 pts below the national average of 64.3%
COPD7.1% 0.5 pts above the national average of 6.6%
Visited a dentist69.6% 8.3 pts above the national average of 61.3%
Any disability37.6% 6.9 pts above the national average of 30.7%
Lacks emotional support20.2% 4.6 pts below the national average of 24.8%
Food insecurity11.8% 5.3 pts below the national average of 17.1%
Received food stamps7.6% 6.7 pts below the national average of 14.3%
Hearing disability10.9% 4.2 pts above the national average of 6.7%
High cholesterol34.2% 2 pts below the national average of 36.2%
Housing insecurity10% 3.8 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport6.7% 2.5 pts below the national average of 9.2%
Loneliness29% 5.4 pts below the national average of 34.4%
Mammography use67.3% 8.6 pts below the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability16.4% 2.4 pts above the national average of 14%
Poor physical health (14+ days)14.5% 1 pts above the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat6.4% 2.4 pts below the national average of 8.8%
Sleeps under 7 hours32% 4.4 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost12.1% 0.9 pts below the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 70.9% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss72.6 out of 100
Community resilience23.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather98.3Very High at its worst in this ZIP code
Landslide96.6Relatively Moderate at its worst in this ZIP code
Wildfire96.1Relatively Moderate at its worst in this ZIP code
Cold wave95.2Relatively High at its worst in this ZIP code
Lightning92.7Relatively High at its worst in this ZIP code
Heat wave90.4Relatively High at its worst in this ZIP code
Earthquake84.4Relatively Moderate at its worst in this ZIP code
Drought80.8Relatively Low at its worst in this ZIP code
Volcanic activity80Very Low at its worst in this ZIP code
Hail64.9Relatively Low at its worst in this ZIP code
Strong wind59.9Relatively Moderate at its worst in this ZIP code
River flooding58.9Relatively Moderate at its worst in this ZIP code
Ice storm10.4Very Low at its worst in this ZIP code
Tornado9.7Very Low at its worst in this ZIP code
Avalanche9.1Very Low at its worst in this ZIP code
Compared with Idaho and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIdahoUnited States
Median household income$71,500$74,636$78,538
Income per person$29,199$37,169$43,289
Poverty rate3.5%10.6%12.4%
Median home value$267,900$376,000$303,400
Median gross rent$1,025$1,150$1,348
Homeownership89.7%72.4%65%
Bachelor's degree or higher11.5%31.2%35%
Unemployment rate0.4%3.7%5.2%
Works from home13.8%12.2%13.5%
Born outside the US5.8%5.7%13.9%
Median age36.737.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationBLACKFOOT FIRE DEPT, ID US20.1 km away
Rain in a year12 in
Snow in a year15 in

Average high and low by month

January31.2°F / 16.8°F0.99 in rain, 6 in snow
February37°F / 20.5°F0.73 in rain, 2.2 in snow
March48.8°F / 29.1°F1.1 in rain, 0.3 in snow
April57.4°F / 34.7°F1.4 in rain, 0.7 in snow
May67.6°F / 42.8°F1.75 in rain
June76.7°F / 49.8°F1.03 in rain
July86.9°F / 56°F0.5 in rain
August85.9°F / 54.2°F0.6 in rain
September75.1°F / 46°F0.97 in rain
October60.5°F / 35°F1.12 in rain, 0.8 in snow
November44.8°F / 25.5°F0.75 in rain, 1.4 in snow
December32.1°F / 17.5°F1.11 in rain, 3.3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Firth School District 59100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability34more vulnerable than 34% of US census tracts
Socioeconomic status24more vulnerable than 24% of US census tracts
Household characteristics71more vulnerable than 71% of US census tracts
Racial and ethnic minority status29more vulnerable than 29% of US census tracts
Housing type and transport36more vulnerable than 36% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

83236 Firth, ID1.6 km away
83274 Shelley, ID8.2 km away
83403 Idaho Falls, ID19.8 km away
83405 Idaho Falls, ID19.8 km away
83415 Idaho Falls, ID19.8 km away
83221 Blackfoot, ID20.9 km away
83404 Idaho Falls, ID21.6 km away
83402 Idaho Falls, ID21.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Bingham County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area0.45 sq mi
Population density1,151 people per sq mi
Latitude, longitude43.3155, -112.1644

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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