Postal Codes

83445 ZIP Code

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ZIP code 83445 covers Saint Anthony, Idaho, with a population of about 7,514 and a median household income of $67,759.

Population
7,51425 per square mile
Median age
34.83.9 points below the US average
Median household income
$67,7599% below the Idaho median
Poverty rate
14.3%1.9 points above the US average
Typical home value
$355,776up 15.2% in five years
Median rent
$77832% below the Idaho median
Degree or higher
17.2%17.8 points below the US average
Homeownership
79%14 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
171

Where 83445 is

Saint Anthony, Idaho — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population7,514
Median age34.8
Family households75.3%
Born outside the US5.6%
Speaks a language other than English at home12.3%
White (non-Hispanic)76.8%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.1%
Hispanic or Latino16.7%
Veterans7.3%
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$67,759
Income per person$25,881
Poverty rate14.3%
Households on SNAP or cash assistance13.3%

Household income distribution

Under $10k4.6%
$10–15k1.7%
$15–20k1.4%
$20–25k6.7%
$25–30k3.5%
$30–35k7.0%
$35–40k6.0%
$40–45k3.6%
$45–50k3.0%
$50–60k8.2%
$60–75k11.2%
$75–100k17.0%
$100–125k11.7%
$125–150k5.3%
$150–200k6.4%
$200k or more2.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,990
Mean adjusted gross income$59,081
Returns declaring $200,000 or more2.7%
Returns, under $25k29.4%
Returns, $25k–$50k26.8%
Returns, $50k–$75k19.1%
Returns, $75k–$100k10.7%
Returns, $100k–$200k11.4%
Returns, $200k or more2.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$233,700
Median gross rent$778
Rent as a share of household income28.9%
Owner-occupied79%
Vacant homes9.8%
Median year built1976

What the homes are

Detached house72.9%
Attached house1.3%
2 to 4 units4.2%
5 to 19 units0.7%
Mobile home20.9%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$355,776as of 2026-07
Typical home value, 1 yearup 6.4%
Typical home value, 5 yearsup 15.2%
Typical home value, 10 yearsup 140.7%
Typical home value since 2000
200920172026$357,655$116,836

$141,764 in 2009 to $355,776 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.6%
Bachelor's degree or higher17.2%
High school diploma or higher88%
Works from home12.9%
Drives to work alone71.4%
Takes public transport0.3%
Commutes 45 minutes or more17.3%
Health

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

Obesity33% same as the national average of 33.4%
Diagnosed diabetes10.2% 1.8 pts below the national average of 12%
Currently smokes13.9% 0.7 pts above the national average of 13.2%
High blood pressure29.8% 4.3 pts below the national average of 34.1%
Fair or poor general health19.3% 1 pts below the national average of 20.3%
No health insurance (18–64)12.4% 1.1 pts above the national average of 11.3%
Depression23% 1.1 pts above the national average of 21.9%
No leisure-time physical activity24.5% 0.9 pts below the national average of 25.4%
Arthritis26.3% 1.2 pts above the national average of 25.1%
Binge drinking15.7% same as the national average of 16%
Taking blood pressure medication71.2% 3.5 pts below the national average of 74.7%
Cancer (non-skin)7.8% same as the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease6.4% same as the national average of 6.2%
Routine check-up in past year72.1% 4.6 pts below the national average of 76.7%
Cholesterol screening78.4% 7.5 pts below the national average of 85.9%
Cognitive disability17.4% 2.6 pts above the national average of 14.8%
Colorectal screening61.8% 2.5 pts below the national average of 64.3%
COPD7.2% 0.6 pts above the national average of 6.6%
Visited a dentist61.1% same as the national average of 61.3%
Any disability37% 6.3 pts above the national average of 30.7%
Lacks emotional support21.4% 3.4 pts below the national average of 24.8%
Food insecurity14.9% 2.2 pts below the national average of 17.1%
Received food stamps10.3% 4 pts below the national average of 14.3%
Hearing disability9.6% 2.9 pts above the national average of 6.7%
High cholesterol31.9% 4.3 pts below the national average of 36.2%
Housing insecurity11.7% 2.1 pts below the national average of 13.8%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Lacks transport8.4% 0.8 pts below the national average of 9.2%
Loneliness30.6% 3.8 pts below the national average of 34.4%
Mammography use68.3% 7.6 pts below the national average of 75.9%
Poor mental health (14+ days)17.4% 0.6 pts above the national average of 16.8%
Mobility disability15.2% 1.2 pts above the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat7.6% 1.2 pts below the national average of 8.8%
Sleeps under 7 hours33.3% 3.1 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost16.8% 3.8 pts above the national average of 13%
Vision disability5.3% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments171
People employed1,050
Annual payroll$40,122,000
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 92.4% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 5 census tracts this ZIP code covers
Expected annual loss94.2 out of 100
Community resilience15 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 weather97.2Very High at its worst in this ZIP code
Lightning96.9Very High at its worst in this ZIP code
Wildfire96.9Relatively High at its worst in this ZIP code
River flooding91.5Very High at its worst in this ZIP code
Avalanche89.4Relatively Moderate at its worst in this ZIP code
Landslide89.1Relatively Moderate at its worst in this ZIP code
Earthquake88.1Relatively High at its worst in this ZIP code
Cold wave84.3Relatively High at its worst in this ZIP code
Drought78.8Relatively Low at its worst in this ZIP code
Hail65.5Relatively Moderate at its worst in this ZIP code
Volcanic activity65.2Very Low at its worst in this ZIP code
Strong wind44.9Relatively Moderate at its worst in this ZIP code
Tornado26.7Relatively Low at its worst in this ZIP code
Ice storm24Very Low at its worst in this ZIP code
Heat wave23.4Relatively Moderate 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$67,759$74,636$78,538
Income per person$25,881$37,169$43,289
Poverty rate14.3%10.6%12.4%
Median home value$233,700$376,000$303,400
Median gross rent$778$1,150$1,348
Homeownership79%72.4%65%
Bachelor's degree or higher17.2%31.2%35%
Unemployment rate4.6%3.7%5.2%
Works from home12.9%12.2%13.5%
Born outside the US5.6%5.7%13.9%
Median age34.837.138.7
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 stationSAINT ANTHONY, ID US2.3 km away
Rain in a year15 in

Average high and low by month

January27.6°F / 11.9°F1.65 in rain
February32.2°F / 14.2°F0.89 in rain
March43.5°F / 23°F1.05 in rain
April55.4°F / 30.6°F1.33 in rain
May65°F / 38.9°F1.95 in rain
June73.4°F / 45.2°F1.74 in rain
July83.4°F / 50.4°F0.71 in rain
August82.8°F / 48.6°F0.62 in rain
September72.5°F / 41.2°F1.06 in rain
October57.7°F / 31.6°F1.29 in rain
November41.3°F / 21.8°F1.12 in rain
December28.9°F / 13.3°F1.41 in rain
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 supermarket22% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Fremont County Joint School District 21588.1% of this ZIP code's land area
Sugar-Salem Joint School District 32211.9% 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 vulnerability20more vulnerable than 20% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

83438 Parker, ID4.3 km away
83451 Teton, ID9.1 km away
83436 Newdale, ID11.5 km away
83448 Sugar City, ID12.8 km away
83421 Chester, ID14.1 km away
83460 Rexburg, ID16.7 km away
83440 Rexburg, ID18.3 km away
83441 Rexburg, ID20.8 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.

Fremont County99.7% of this ZIP code's land area
Madison County0.3% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area300.74 sq mi
Water area2.45 sq mi
Population density25 people per sq mi
Latitude, longitude43.9630, -111.7036

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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