What city is ZIP code 84631?

ZIP code 84631 is in Fillmore, UT (Millard County).

What county is ZIP code 84631 in?

ZIP code 84631 is mostly in Millard County, Utah.

How many people live in ZIP code 84631?

About 3,196 people live in the 84631 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 84631

Fillmore, UT, Millard County

Population

3,196

Land area

126.5sq mi

People per sq mi

City

Fillmore

ZIP 84631 and nearby ZIP codes

Full map

ZIP 84631 at a glance

ZIP 84631 (Fillmore) is 38% less dense than Utah as a whole.
The median household income is $67,115, 29% below the Utah median of $95,166.
A typical owner-occupied home is valued at $301,000 (38% below Utah) and median rent is $775 a month.

Local data for ZIP 84631

Counts from official public data

Housing and community stats

ZIP 84631, American Community Survey 2020-2024

Full profile

Median household income

$67,115

Poverty rate

9.1%

Median home value

$301,000

Prices +23.4% in a year

Median rent

$775/mo

Homeownership

77.4%

Bachelor's or higher

25.2%

Median age

32.1

Average commute

14.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

1,327

$57.4M annual payroll

PPP loans

$9.1M

73 loans

Campaign donations

$2,162

7% D, 39% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 84631, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: winter weather

Storm events since 1996

133

Countywide, mostly thunderstorm wind

Flood insurance policies

0.1% of homes, county

July high / Jan low

88° / 21°F

15.0 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 84631, CDC PLACES estimates

All 40 measures

Obesity

34.1%

U.S. 33.3% +0.8 pts

Diabetes

12.1%

U.S. 12.1% about the same

Smoking

10.5%

U.S. 12.8% -2.3 pts

Uninsured (18-64)

12.8%

U.S. 11.1% +1.7 pts

Frequently asked questions

What city is ZIP code 84631?: ZIP code 84631 is in Fillmore, UT (Millard County).
What county is ZIP code 84631 in?: ZIP code 84631 is mostly in Millard County, Utah.
How many people live in ZIP code 84631?: About 3,196 people live in the 84631 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.