ZIP Code Tabulation Area · Utah

ZIP Code 84631: Millard County, UT

ZIP Code 84631 (Millard County, Utah) has an estimated 3,196 residents in 928 households. The median household income is $67,115, the median home value is $301,000 and the median gross rent is $775/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

3,196

Margin of error ±265

Median household income

$67,115

Margin of error ±$15,600

Median home value

$301,000

Margin of error ±$29,502

Median gross rent

$775/mo

Margin of error ±$33

Median age

32.1 yrs

Margin of error ±8.5 yrs

Mean travel time to work

14.1 min

Margin of error ±3.8 min

How ZIP 84631 compares with Utah and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 8463132.1 yrsUtah32.0 yrsUnited States38.9 yrs

Median household income

ZIP 84631$67,115Utah$95,166United States$80,734

Per capita income

ZIP 84631$25,409Utah$40,873United States$44,673

Poverty rate

ZIP 846319.1%Utah8.5%United States12.5%

Unemployment rate

ZIP 846318.2%Utah3.6%United States5.2%

Bachelor's degree or higher

ZIP 8463125.2%Utah37.7%United States35.7%

Median home value

ZIP 84631$301,000Utah$489,400United States$332,700

Median gross rent

ZIP 84631$775/moUtah$1,496/moUnited States$1,413/mo

Owner-occupied homes

ZIP 8463177.4%Utah70.2%United States65.2%

Mean travel time to work

ZIP 8463114.1 minUtah22.1 minUnited States26.4 min

Worked from home

ZIP 8463111.8%Utah17.6%United States15.1%

All figures for ZIP 84631

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 84631 — ACS 2020–2024 5-year estimates
Measure	ZIP 84631	Margin of error	Utah	United States
Total population	3,196	±265	3,392,331	334,922,499
Median age	32.1 yrs	±8.5 yrs	32.0 yrs	38.9 yrs
Households	928	±107	1,124,822	129,227,496
Median household income	$67,115	±$15,600	$95,166	$80,734
Per capita income	$25,409	±$3,242	$40,873	$44,673
Poverty rate	9.1%	±3.5 pts	8.5%	12.5%
Unemployment rate	8.2%	±6.6 pts	3.6%	5.2%
Bachelor's degree or higher	25.2%	±6.3 pts	37.7%	35.7%
Median home value	$301,000	±$29,502	$489,400	$332,700
Median gross rent	$775/mo	±$33	$1,496/mo	$1,413/mo
Owner-occupied homes	77.4%	±8.4 pts	70.2%	65.2%
Mean travel time to work	14.1 min	±3.8 min	22.1 min	26.4 min
Worked from home	11.8%	±5.0 pts	17.6%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 84631
Group	ZIP 84631	Utah	United States
White alone, not Hispanic or Latino	76.1%	74.7%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	1.1%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.6%	0.6%	0.5%
Asian alone, not Hispanic or Latino	6.6%	2.4%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.9%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	0.3%	4.0%	4.3%
Hispanic or Latino (of any race)	16.5%	15.9%	19.3%

Where ZIP 84631 is

State: Utah
Main county: Millard County
Largest overlapping place: Fillmore (6% of the ZIP's land area)
Land area: 126.48 sq mi· about 25 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Millard County

84624 Millard County, UT 84635 Millard County, UT 84636 Millard County, UT 84637 Millard County, UT 84638 Millard County, UT 84640 Millard County, UT 84644 Millard County, UT 84649 Millard County, UT 84656 Scipio, UT 84728 Millard County, UT

See every ZIP code in Utah, or compare ZIP 84631 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.