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County ZIP codes · Utah · FIPS 49027

Millard County, UT ZIP Codes

Millard County, Utah has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 11 of the residential ones lie mainly in Millard County and 1 mainly in a neighboring county; 1 cross the county line. Median household income ranges from $67,115 in 84631 (Fillmore) to $81,908 in 84751 (Milford) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Millard County?

84624 · Delta: $76k84631 · Fillmore: $67k84635 · Hinckley: $83k84636 · Holden: $73k84637 · Kanosh: $80k84638 · Leamington: $96k84640 · Lynndyl: $55k84644 · Meadow: $49k84649 · Oak City: $74k84656 · Scipio: $75k84728 · Garrison: –84751 · Milford: $82k847518472884624846498463784631846408464484636846358463884624 · Delta: $76k84631 · Fillmore: $67k84635 · Hinckley: $83k84636 · Holden: $73k84637 · Kanosh: $80k84638 · Leamington: $96k84640 · Lynndyl: $55k84644 · Meadow: $49k84649 · Oak City: $74k84656 · Scipio: $75k84728 · Garrison: –84751 · Milford: $82k84751847288462484649846378463184640846448463684624 · Delta: $76k84631 · Fillmore: $67k84635 · Hinckley: $83k84636 · Holden: $73k84637 · Kanosh: $80k84638 · Leamington: $96k84640 · Lynndyl: $55k84644 · Meadow: $49k84649 · Oak City: $74k84656 · Scipio: $75k84728 · Garrison: –84751 · Milford: $82k84751847288462484649846378463184644
The residential ZIP codes of Millard County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 12 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 12 residential ZIP codes in Millard County

11 ZIP codes lie mainly in Millard County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Millard County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
84624 Delta 5,948 20 $76k $288k 100%
84631 Fillmore 3,196 25 $67k $301k 100%
84635 Hinckley 938 30 $83k $205k 100%
84649 Oak City 854 6 $74k $247k 100%
84637 Kanosh 598 5 $80k $336k 100%
84636 Holden 518 8 $73k $313k 100%
84656 Scipio 466 123 $75k $311k 100%
84638 Leamington 354 8 $96k $269k 100%
84644 Meadow 275 6 $49k $285k 100%
84640 Lynndyl 124 2 $55k $275k 100%
84728 Garrison 44 0 – – 100%

Partly in Millard County

Residential ZIP codes mainly in another county that reach at least 1% into Millard County, by their share here
In this county
84751 Milford 1,896 6 $82k $247k 9%

Download the 12 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

1 ZIP code of Millard County extends into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Millard County and in the neighboring counties
ZIPIn MillardElsewhere
847519%Beaver County91%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Millard County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Millard County's ZIP codes use 2 prefixes: 846 and 847.

Three-digit prefixes of Millard County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Millard County's
PrefixSectional centerHereAll codes
846Provo, UT (SCF 846)1047
847Las Vegas, NV (SCF 890)271

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.