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County ZIP codes · Montana · FIPS 30061

Mineral County, MT ZIP Codes

Mineral County, Montana has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones extend into a neighboring county. Median household income ranges from $55,926 in 59872 (Superior) to $69,091 in 59820 (Alberton) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Mineral County?

59820 · Alberton: $69k59830 · De Borgia: –59842 · Haugan: –59866 · Saint Regis: $74k59867 · Saltese: –59872 · Superior: $56k59872598205986659830598425986759820 · Alberton: $69k59830 · De Borgia: –59842 · Haugan: –59866 · Saint Regis: $74k59867 · Saltese: –59872 · Superior: $56k598725982059866598305984259820 · Alberton: $69k59830 · De Borgia: –59842 · Haugan: –59866 · Saint Regis: $74k59867 · Saltese: –59872 · Superior: $56k5987259820598665983059842
The residential ZIP codes of Mineral 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 6 postal town names: Superior, Alberton, Saint Regis, De Borgia, Saltese, Haugan.

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

All 6 residential ZIP codes in Mineral County

Residential ZIP codes mainly in Mineral County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
59872 Superior 2,501 5 $56k $397k 100%
59820 Alberton 1,834 5 $69k $367k 72%
59866 Saint Regis 1,161 5 $74k $344k 91%
59830 De Borgia 102 1 – $338k 100%
59867 Saltese 85 4 – – 100%
59842 Haugan 46 0 – – 100%

Download the 6 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?

2 ZIP codes of Mineral County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Mineral County and in the neighboring counties
ZIPIn MineralElsewhere
5982072%Missoula County28%
5986691%Sanders County9%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Mineral County starts with 598.

Three-digit prefixes of Mineral 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 Mineral County's
PrefixSectional centerHereAll codes
598Missoula, MT (SCF 598)653

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