Postal Codes

84640 ZIP Code

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ZIP code 84640 covers Lynndyl, Utah.

Median age
2513.7 points below the US average
Poverty rate
16.5%4.1 points above the US average
Median home value
$258,90043% below the Utah median
Degree or higher
9.3%25.7 points below the US average
Homeownership
74%9 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time

Where 84640 is

Lynndyl, Utah — 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

Median age25
Family households55.8%
Born outside the US2.3%
Speaks a language other than English at home1.3%
White (non-Hispanic)89.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)1.2%
Hispanic or Latino1.2%
Veterans10.2%
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

Income per person$17,946
Poverty rate16.5%
Households on SNAP or cash assistance1.3%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k5.2%
$20–25k1.3%
$25–30k2.6%
$30–35k9.1%
$35–40k2.6%
$40–45k0.0%
$45–50k24.7%
$50–60k13.0%
$60–75k11.7%
$75–100k7.8%
$100–125k20.8%
$125–150k0.0%
$150–200k1.3%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$258,900
Owner-occupied74%
Vacant homes16.3%
Median year built1973

What the homes are

Detached house92.4%
Mobile home7.6%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher9.3%
High school diploma or higher91.5%
Works from home0%
Drives to work alone96.6%
Takes public transport0%
Commutes 45 minutes or more6.8%
Health

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

Obesity33.4% same as the national average of 33.4%
Diagnosed diabetes13% 1 pts above the national average of 12%
Currently smokes10.5% 2.7 pts below the national average of 13.2%
High blood pressure38.1% 4 pts above the national average of 34.1%
Fair or poor general health20.8% 0.5 pts above the national average of 20.3%
No health insurance (18–64)8.9% 2.4 pts below the national average of 11.3%
Depression25.7% 3.8 pts above the national average of 21.9%
No leisure-time physical activity24.1% 1.3 pts below the national average of 25.4%
Arthritis30.5% 5.4 pts above the national average of 25.1%
Binge drinking9.6% 6.4 pts below the national average of 16%
Taking blood pressure medication76.6% 1.9 pts above the national average of 74.7%
Cancer (non-skin)11.6% 3.9 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year76.3% same as the national average of 76.7%
Cholesterol screening82.7% 3.2 pts below the national average of 85.9%
Cognitive disability16.8% 2 pts above the national average of 14.8%
Colorectal screening68.2% 3.9 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist60% 1.3 pts below the national average of 61.3%
Any disability38.2% 7.5 pts above the national average of 30.7%
Lacks emotional support18.8% 6 pts below the national average of 24.8%
Food insecurity12.6% 4.5 pts below the national average of 17.1%
Received food stamps8% 6.3 pts below the national average of 14.3%
Hearing disability11.8% 5.1 pts above the national average of 6.7%
High cholesterol35.9% same as the national average of 36.2%
Housing insecurity9.2% 4.6 pts below the national average of 13.8%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Lacks transport7.2% 2 pts below the national average of 9.2%
Loneliness30.3% 4.1 pts below the national average of 34.4%
Mammography use69.9% 6 pts below the national average of 75.9%
Poor mental health (14+ days)16.8% same as the national average of 16.8%
Mobility disability17.3% 3.3 pts above the national average of 14%
Poor physical health (14+ days)15.8% 2.3 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat6.8% 2 pts below the national average of 8.8%
Sleeps under 7 hours31.2% 5.2 pts below the national average of 36.4%
Stroke4.6% 1.2 pts above the national average of 3.4%
All natural teeth lost16.9% 3.9 pts above the national average of 13%
Vision disability6% same as 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 61.8% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss71 out of 100
Community resilience38.4 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 weather99.9Very High at its worst in this ZIP code
Wildfire96.9Relatively High at its worst in this ZIP code
Drought95.1Relatively Moderate at its worst in this ZIP code
Lightning89.4Relatively High at its worst in this ZIP code
Earthquake87.5Relatively Moderate at its worst in this ZIP code
Strong wind69Relatively Moderate at its worst in this ZIP code
Landslide68.7Very Low at its worst in this ZIP code
Avalanche64.6Very Low at its worst in this ZIP code
Heat wave62Relatively Moderate at its worst in this ZIP code
Volcanic activity61.8Very Low at its worst in this ZIP code
River flooding38.7Relatively Low at its worst in this ZIP code
Tornado25.9Very Low at its worst in this ZIP code
Cold wave23.1Relatively Low at its worst in this ZIP code
Ice storm20.2Very Low at its worst in this ZIP code
Hail16.6Very Low at its worst in this ZIP code
Compared with Utah 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 ZIPUtahUnited States
Median household income$91,750$78,538
Income per person$17,946$39,240$43,289
Poverty rate16.5%8.6%12.4%
Median home value$258,900$455,000$303,400
Median gross rent$1,405$1,348
Homeownership74%70.6%65%
Bachelor's degree or higher9.3%36.9%35%
Unemployment rate0%3.4%5.2%
Works from home0%16%13.5%
Born outside the US2.3%8.6%13.9%
Median age2531.738.7
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 stationOAK CITY, UT US14.9 km away
Rain in a year14 in
Snow in a year33 in

Average high and low by month

January38.6°F / 20.1°F1.26 in rain, 7.2 in snow
February44.2°F / 23.9°F1.31 in rain, 6.5 in snow
March54.7°F / 30.8°F1.83 in rain, 5.9 in snow
April61.3°F / 36°F1.8 in rain, 2.8 in snow
May72.6°F / 45.3°F1.45 in rain, 0.1 in snow
June84.9°F / 55.8°F0.7 in rain
July93.3°F / 64.3°F0.42 in rain
August90.9°F / 62.4°F0.56 in rain
September81°F / 52.5°F0.86 in rain
October65.6°F / 39.7°F1.35 in rain, 0.4 in snow
November50.7°F / 28°F0.99 in rain, 3.6 in snow
December39.1°F / 19.5°F1.37 in rain, 6.8 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%.

Millard School District100% 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 vulnerability76more vulnerable than 76% of US census tracts
Socioeconomic status44more vulnerable than 44% of US census tracts
Household characteristics98more vulnerable than 98% of US census tracts
Racial and ethnic minority status30more vulnerable than 30% of US census tracts
Housing type and transport84more vulnerable than 84% of US census tracts
Walkability7.2 out of 20Below average
Nearby ZIP codes

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

84638 Leamington, UT9.7 km away
84649 Oak City, UT14.7 km away
84624 Delta, UT17.5 km away
84635 Hinckley, UT29.7 km away
84656 Scipio, UT37 km away
84639 Levan, UT39.1 km away
84636 Holden, UT45.3 km away
84648 Nephi, UT52.9 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.

Millard County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area73.54 sq mi
Water area3.4 sq mi
Latitude, longitude39.4943, -112.3979

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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