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ZIP Code 83421
St. Anthony, ID, Fremont County
Population
220
Land area
11.7sq mi
People per sq mi
19
City
St. Anthony
ZIP 83421 and nearby ZIP codes
Local data for ZIP 83421
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
6
ZIP Business Patterns 2023
Employees
19
$837K annual payroll
PPP loans
$158K
10 loans
Campaign donations
$615
0% D, 37% R, 2026 cycle
Environment and hazard risk
ZIP 83421, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: avalanche
Storm events since 1996
587
Countywide, mostly winter storm
Flood insurance policies
16
0.2% of homes, county
July high / Jan low
83° / 13°F
19.7 inches of rain a year
Health statistics
Share of adults in ZIP 83421, CDC PLACES estimates
Obesity
33.1%
U.S. 33.3% about the same
Diabetes
11.9%
U.S. 12.1% about the same
Smoking
13.9%
U.S. 12.8% +1.1 pts
Uninsured (18-64)
9.0%
U.S. 11.1% -2.1 pts
Frequently asked questions
- What city is ZIP code 83421?
- ZIP code 83421 is in St. Anthony, ID (Fremont County).
- What county is ZIP code 83421 in?
- ZIP code 83421 is mostly in Fremont County, Idaho.
- How many people live in ZIP code 83421?
- About 220 people live in the 83421 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.