84640 ZIP Code — Lynndyl, UT

Millard County, Utah

ZIP code 84640 is located in Lynndyl, Utah, within Millard County. It covers approximately 73.54 square miles and serves a population of 222 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 435.

About ZIP code 84640

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $208,900. Owner-occupancy sits near the national average at 70%.

Median household income is $49,688.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 13 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 84640 reflects a community defined by a trades-oriented workforce and a strong veteran community.

222
population
73.54
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
84640 ZIP code map
Cities in ZIP code 84640

Below are the cities the US Postal Service accepts for ZIP code 84640. Using any city not on this list may result in mail delivery delays.

City Status
Lynndyl Acceptable
Demographics updated 06/2026
Population
Total population 222
Population density 3 / sq mi
State FIPS 49
County FIPS 027
Geography
Land area 73.54 sq mi
Water area 3.40 sq mi
Latitude 39.5091
Longitude -112.4800
Timezone Mountain (MT)
Area code 435
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 40.9% 37.2% 31.5%
$50k – $100k 56.8% 40.5% 34.6%
$100k – $200k 2.3% 19.3% 27.0%
Over $200k 0.0% 2.9% 7.0%

Demographics & statistics

222
Population
3
People per sq mi
28.1
Median age
$49,688
Median household income
$18,610
Per capita income
$208,900
Median home value
$0
Median monthly rent
70.0%
Home ownership
16.2%
Poverty rate
0.0%
Unemployment
59
Housing units
10.2%
Bachelor's or higher

Age distribution

Male Female
8
Under 5
9
16
5–9
21
8
10–14
9
2
15–19
2
13
20–24
16
33
25–34
42
8
35–44
9
1
45–54
1
1
55–59
2
2
60–64
2
4
65–74
6
3
75–84
3
0
85+
1
← Male
Female →

Age summary

GroupCount%
Under 187533.8%
18 and over14766.2%
65 and over177.7%
Median age28.1 years

Race & ethnicity

White 86.4%
Hispanic or Latino 5.9%
Two or more races 5.1%
Asian 0.8%
Native Hawaiian / Pacific Islander 0.8%
Other race 0.8%
GroupCount%
White20486.4%
Hispanic or Latino145.9%
Two or more races125.1%
Asian20.8%
Native Hawaiian / Pacific Islander20.8%
Other race20.8%

Household income

Income range This ZIP County avg State avg
Under $50k 40.9% 37.2% 31.5%
$50k – $100k 56.8% 40.5% 34.6%
$100k – $200k 2.3% 19.3% 27.0%
Over $200k 0.0% 2.9% 7.0%
$10k–$15k 4.3%
$15k–$25k 5.7%
$35k–$50k 41.4%
$50k–$75k 17.1%
$75k–$100k 27.1%
$100k–$150k 4.3%
Range% of households
$10k–$15k4.3%
$15k–$25k5.7%
$35k–$50k41.4%
$50k–$75k17.1%
$75k–$100k27.1%
$100k–$150k4.3%
Median income$49,688

Housing

Home values

Under $50k 2.0%
$50k–$100k 10.2%
$100k–$150k 24.5%
$150k–$200k 8.2%
$200k–$300k 34.7%
$300k–$500k 20.4%

Housing overview

MetricValue
Median home value$208,900
Median rent / month$0
Owner occupied70.0%
Renter occupied30.0%
Vacant12.5%
Single-family detached91.3%
Large apartment buildings0.0%
Mobile homes8.8%
Median rooms6.5
Avg household size (owned)3.57

Year built

Era%
2020 or later0.0%
2010–201928.8%
2000–20095.0%
1990–19992.5%
1980–19892.5%
1970–197913.8%
1960–196910.0%
1950–19590.0%
1940–19496.3%
1939 or earlier31.3%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms8.8%
3 bedrooms72.5%
4 bedrooms13.8%
5+ bedrooms5.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle11.4%
2 vehicles44.3%
3 or more44.3%

Heating fuel

Fuel type%
Utility gas64.3%
Electricity35.7%

Households & families

Household typeCount%
Married-couple family3955.7%
Cohabiting couple2130.0%
Male householder, no spouse22.9%
Female householder, no spouse811.4%
Households with children under 183550.0%
Households with seniors (65+)1318.6%
Average household size3.17

Marital status

StatusMaleFemale
Never married45.7%32.1%
Married51.4%59.3%
Separated0.0%0.0%
Widowed2.9%6.2%
Divorced0.0%2.5%

Education

Less than 9th grade 2.5%
Some HS, no diploma 5.1%
HS graduate 48.3%
Some college, no degree 32.2%
Associate's degree 1.7%
Bachelor's degree 6.8%
Graduate / professional 3.4%
Metric%
HS diploma or higher92.4%
Bachelor's or higher10.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten48.3%
Elementary school3879.2%
High school612.5%
College / grad school00.0%

Employment

Industry of employment

Agriculture & mining 62.7%
Transportation & utilities 13.6%
Manufacturing 6.8%
Education & healthcare 6.8%
Public administration 5.1%
Construction 1.7%
Retail trade 1.7%
Arts, food & hospitality 1.7%

Occupation

Category%
Management, business & arts52.5%
Service3.4%
Sales & office3.4%
Natural resources & construction25.4%
Production & transportation15.3%

Employment type

Type%
Private sector50.8%
Government13.6%
Self-employed35.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone91.5%
Carpool5.1%
Public transit0.0%
Walk1.7%
Work from home0.0%
Other means1.7%
Avg commute (minutes)13.2

Poverty

All people 16.2%
Under 18 years 2.7%
18 and over 23.1%
Married-couple families 0.0%
Female-led households 60.0%

Income support

Source% of households
Social Security18.6%
Retirement income20.0%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP1.4%

Health indicators

Condition%
Obesity28.7%
High blood pressure37.4%
High cholesterol35.6%
Diabetes13.5%
Heart disease9.2%
Stroke4.3%
Asthma11.2%
Arthritis34.4%
Kidney disease4.0%
Pulmonary disease8.6%
Cancer8.6%
Behavior / access%
Smoking12.2%
Binge drinking8.9%
No physical activity22.1%
Less than 7 hrs sleep31.4%
Depression22.9%
Fair or poor health17.2%
Poor mental health14.4%
Poor physical health13.0%
No health insurance12.3%
Visited doctor (checkup)74.3%
Visited dentist66.3%
Cholesterol screening88.7%
Teeth loss16.1%

Veterans & disability

VeteransCount%
Civilian veterans1912.9%
Disability%
Any disability20.3%
Under 189.3%
18–64 years26.9%
65 and over17.6%

Health insurance coverage

Type%
Private insurance95.0%
Public insurance14.0%
No insurance0.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only20592.3%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)21898.2%
Born in same state21697.3%
Born in different state19487.4%
Foreign born20.9%
Naturalized citizen41.8%
Not a US citizen250.0%

Ancestry

AncestryCount%
Italian7533.8%
French2812.6%
English219.5%
AncestryCount%
Arab167.2%
Dutch52.3%
Polish41.8%

Technology access

Metric% of households
Computer access31.5%
Internet access100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 84640

What city is ZIP code 84640 in?

ZIP code 84640 is primarily assigned to Lynndyl, Utah.

What county is ZIP code 84640 in?

ZIP code 84640 falls within Millard County, Utah.

Is ZIP code 84640 family-oriented?

34% of residents in ZIP code 84640 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 84640?

10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the poverty rate in ZIP code 84640?

16% of residents in ZIP code 84640 live below the poverty line, above the national average.

Does ZIP code 84640 have a large veteran population?

13% of civilians in ZIP code 84640 are veterans, above the national average of ~7%.

What timezone is ZIP code 84640 in?

ZIP code 84640 observes the MST timezone.

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