Zip Code 84631 — Fillmore, UT

ZIP Code 84631 is associated with Fillmore, UT, in Millard County. The listed population estimate is 3,196; estimated density is 9.8 people per square mile. Among records with population estimates, it ranks #2 of 11 in Millard County and #121 of 289 in UT.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.997710, -112.396750)

Data MetricLocal Statistic
Postal / Zip Code84631
Primary CityFillmore
State / ProvinceUT
CountyMillard
Total Population3,196
Population Density9.8 people/sq mi
TimezoneAmerica/Denver

How 84631 Compares

MetricZIP 84631Millard County recordsUT records
Population estimate3,19613,315 (sum)3,390,495 (sum)
Population Density9.8 /sq mi----
County population rank#2 of 11----
State population rank#121 of 289----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in UT

ZIP CodeCityDistancePopulation estimate
ZIP 84644Meadow8.9 mi275
ZIP 84636Holden10.3 mi518
ZIP 84637Kanosh19.7 mi598
ZIP 84656Scipio22.5 mi466
ZIP 84649Oak City24.4 mi854

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →