Lynndyl, UT · standard
ZIP Code 84640
Millard County, Utah - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 121
- 1/sq mi
- $54,688
- Median income
- $275,000
- Median home value
- 17.6%
- Bachelor's or higher
National ZIP placement
Lynndyl pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.
- 21st pct
- household income, US ZIPs
- Top 38%
- home value, US ZIPs
- 1
- people per sq mi
- 95%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 84640 against every reporting US ZIP.
ZIP code 84640 is a sparsely populated ZIP (a standard USPS delivery area) in Lynndyl, Millard County, Utah, home to just 121 residents across 93.1 square miles, a density of 1 people per square mile, in the Denver time zone.
ZIP 84640 reports a modest median household income of $54,688 (37% below the average Utah ZIP), while per-capita income is $18,659. Unemployment is 10.7%, an important qualifier alongside the household-income figure. Home values sit below the statewide ZIP benchmark: the median is $275,000 (36% below the average Utah ZIP); owner occupancy is 95.3%.
Educational attainment sits below the national norm: 17.6% of adults hold a bachelor's degree or higher, the median age is 30.2, and the average commute is -. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Millard County, so 84640 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 84640, Lynndyl, UT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
121
Population
93.1
Area (sq mi)
1
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 84640?
30.2
Median Age
54.8%
Male
45.2%
Female
5.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$54,688
Median Household Income
-37% vs state ZIP avg
$18,659
Per Capita Income
7.3%
Poverty Rate
10.7%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
56housing units
56
Total Housing Units
43
Occupied Units
13
Vacant Units
2.88
Avg Household Size
Occupancy Type
$275,000
Median Home Value
-36% vs state ZIP avg
1969
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 84640 vs 84638 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 84638 | Leamington, UT | 294 | 6.3 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 84640, both outside UT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.