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Lynndyl town, UT

ZIP Code 84640 — Lynndyl town, UT Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
260
Median Income
$50,875
-32% vs US avg
Home Value
$258,900
-26% vs US avg
Median Rent
N/A
Median Age
25.0 yrs
-36% vs US avg
Area Code
Congress
Top Ancestry
IrishEuropeanEnglish
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Location
Coordinates
39.4969, -112.3886
Elevation
5,095 ft
Land Area
35.2 sq mi
Water Area
0.0 sq mi (0% water)

At a glance

Population
260
Density
N/A
Median income
$50,875
-32% vs US avg
Home value
$258,900
-26% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 84640

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What to know about ZIP 84640

ZIP code 84640 covers Lynndyl, UT in Millard County with a population of about 260.

At a glance, the area shows median age of 25.0 versus a U.S. median of about 38.9.

It sits in telephone area code 435; U.S. House district UT-2; the SALT LAKE CITY media market.

Income and economy in Lynndyl, UT

Median household income in ZIP 84640 is about $50,875 — about 32% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 16.5%; unemployment rate near 0.0%; 9.3% of adults with a bachelor’s degree or higher (about 24.4 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Mining, and Transportation; a mean commute of about 59.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 84640

Median home value is about $258,900 — about 26% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 74.0% (about 8.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 84640 in Lynndyl, UT, a household would need roughly $71,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,663. That is about 40% above the local median household income ($50,875), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Lynndyl town, UT as Very Low (composite score 22.2), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (91.2) and flood (16.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Lynndyl town, UT show little to no average snow and around 13.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 20 for ZIP 84640 (Lynndyl town, UT) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport PVU (61.1 miles (98.4 km)) · Snow College (44.0 miles (70.8 km)) · Timpanogos Cave National Monument (74.5 miles (119.8 km)) · VA: Provo Vet Center (64.7 miles (104.2 km))

Full lists and map pins are in the Infrastructure section below.