Postal Codes

83237 ZIP Code

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ZIP code 83237 covers Franklin, Idaho, with a population of about 1,373 and a median household income of $78,375.

Population
1,37359 per square mile
Median age
26.612.1 points below the US average
Median household income
$78,3751.1× the Idaho median
Poverty rate
4.4%8 points below the US average
Typical home value
$428,504up 9.7% in five years
Median rent
$1,205about the Idaho median
Degree or higher
15.2%19.8 points below the US average
Homeownership
79%14 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
28

Where 83237 is

Franklin, 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

Population1,373
Median age26.6
Family households87.5%
Born outside the US6.9%
Speaks a language other than English at home10.4%
White (non-Hispanic)83.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino15.7%
Veterans2.4%
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$78,375
Income per person$29,239
Poverty rate4.4%
Households on SNAP or cash assistance2.2%

Household income distribution

Under $10k1.3%
$10–15k2.0%
$15–20k0.9%
$20–25k0.9%
$25–30k2.9%
$30–35k1.6%
$35–40k6.5%
$40–45k0.7%
$45–50k3.4%
$50–60k9.6%
$60–75k17.4%
$75–100k22.6%
$100–125k11.6%
$125–150k2.5%
$150–200k9.6%
$200k or more6.5%

Income as declared to the IRS

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

Tax returns filed720
Mean adjusted gross income$69,051
Returns declaring $200,000 or more4.2%
Returns, under $25k26.4%
Returns, $25k–$50k20.8%
Returns, $50k–$75k18.1%
Returns, $75k–$100k15.3%
Returns, $100k–$200k15.3%
Returns, $200k or more4.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$361,800
Median gross rent$1,205
Rent as a share of household income30.3%
Owner-occupied79%
Vacant homes0%
Median year built1973

What the homes are

Detached house85.2%
Attached house5.4%
2 to 4 units3.6%
5 to 19 units0.4%
Mobile home5.4%
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$428,504as of 2026-07
Typical home value, 1 yearup 3.2%
Typical home value, 5 yearsup 9.7%
Typical home value since 2000
201820222026$459,834$249,140

$249,140 in 2018 to $428,504 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.4%
Bachelor's degree or higher15.2%
High school diploma or higher94.5%
Works from home18.9%
Drives to work alone72.4%
Takes public transport0.3%
Commutes 45 minutes or more4.8%
Health

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

Obesity36.8% 3.4 pts above the national average of 33.4%
Diagnosed diabetes9.3% 2.7 pts below the national average of 12%
Currently smokes13.4% same as the national average of 13.2%
High blood pressure29.5% 4.6 pts below 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)11.7% same as the national average of 11.3%
Depression23.1% 1.2 pts above the national average of 21.9%
No leisure-time physical activity23.5% 1.9 pts below the national average of 25.4%
Arthritis24.1% 1 pts below the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication68.3% 6.4 pts below the national average of 74.7%
Cancer (non-skin)6.9% 0.8 pts below the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease5.5% 0.7 pts below the national average of 6.2%
Routine check-up in past year70.7% 6 pts below the national average of 76.7%
Cholesterol screening77.9% 8 pts below the national average of 85.9%
Cognitive disability17% 2.2 pts above the national average of 14.8%
Colorectal screening57% 7.3 pts below the national average of 64.3%
COPD6.4% same as the national average of 6.6%
Visited a dentist60.6% 0.7 pts below the national average of 61.3%
Any disability34.3% 3.6 pts above the national average of 30.7%
Lacks emotional support20.9% 3.9 pts below the national average of 24.8%
Food insecurity14.3% 2.8 pts below the national average of 17.1%
Received food stamps9.7% 4.6 pts below the national average of 14.3%
Hearing disability8.2% 1.5 pts above the national average of 6.7%
High cholesterol30% 6.2 pts below the national average of 36.2%
Housing insecurity11.8% 2 pts below the national average of 13.8%
Independent living disability8.4% same as the national average of 8.4%
Lacks transport8.1% 1.1 pts below the national average of 9.2%
Loneliness31.9% 2.5 pts below the national average of 34.4%
Mammography use64.3% 11.6 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 disability13.8% same as the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat7.5% 1.3 pts below the national average of 8.8%
Sleeps under 7 hours34.9% 1.5 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost17.8% 4.8 pts above the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments28
People employed194
Annual payroll$10,451,000
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 64.4% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss78.6 out of 100
Community resilience21.1 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 weather98.6Very High at its worst in this ZIP code
Lightning97.3Very High at its worst in this ZIP code
Wildfire95.4Relatively Moderate at its worst in this ZIP code
Landslide85.3Relatively Low at its worst in this ZIP code
Earthquake84.8Relatively Moderate at its worst in this ZIP code
Drought76.5Very Low at its worst in this ZIP code
Strong wind73.9Relatively Moderate at its worst in this ZIP code
River flooding72.2Relatively Moderate at its worst in this ZIP code
Cold wave71.2Relatively Moderate at its worst in this ZIP code
Heat wave63.3Relatively Moderate at its worst in this ZIP code
Hail52.9Relatively Low at its worst in this ZIP code
Ice storm17.7Very Low at its worst in this ZIP code
Avalanche12.3Very Low at its worst in this ZIP code
Tornado10.2Very 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$78,375$74,636$78,538
Income per person$29,239$37,169$43,289
Poverty rate4.4%10.6%12.4%
Median home value$361,800$376,000$303,400
Median gross rent$1,205$1,150$1,348
Homeownership79%72.4%65%
Bachelor's degree or higher15.2%31.2%35%
Unemployment rate5.4%3.7%5.2%
Works from home18.9%12.2%13.5%
Born outside the US6.9%5.7%13.9%
Median age26.637.138.7
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 stationPRESTON, ID US10.7 km away
Rain in a year17 in
Snow in a year52 in

Average high and low by month

January32.3°F / 15.3°F1.66 in rain, 13.5 in snow
February37.7°F / 18.3°F1.4 in rain, 10.8 in snow
March50.3°F / 27.2°F1.5 in rain, 5.1 in snow
April59.1°F / 32.9°F1.89 in rain, 3 in snow
May69.1°F / 40.4°F2.24 in rain, 0.2 in snow
June79.4°F / 46.8°F1.24 in rain
July89.2°F / 53.5°F0.74 in rain
August87.4°F / 52.4°F0.81 in rain
September76.9°F / 43°F1.48 in rain
October62.6°F / 33.4°F1.59 in rain, 0.8 in snow
November46.5°F / 24.1°F1.18 in rain, 4.9 in snow
December33.5°F / 16.5°F1.57 in rain, 14.1 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%.

Preston Joint School District 201100% 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 vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status41more vulnerable than 41% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status19more vulnerable than 19% of US census tracts
Housing type and transport17more vulnerable than 17% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

84320 Lewiston, UT9.9 km away
83263 Preston, ID10.8 km away
84333 Richmond, UT11.3 km away
83286 Weston, ID15.3 km away
84338 Trenton, UT17.9 km away
84308 Cornish, UT18 km away
83232 Dayton, ID19.2 km away
84335 Smithfield, UT21.7 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.

Franklin County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area23.21 sq mi
Water area0.1 sq mi
Population density59 people per sq mi
Latitude, longitude42.0288, -111.7871

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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