City ZIP codes · Wyoming

Gillette, WY ZIP Codes

3 ZIP codes use the postal name Gillette, Wyoming (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $73,155 in 82716 to $104,458 in 82718, 1.4 times as much (Census Bureau, ACS 2020-2024). Gillette's most populous ZIP code is 82718, with 26,619 people (ACS 2020-2024); 1% of its land is in the city of Gillette.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Gillette's ZIP codes?

82716: $73k median household income82718: $105k median household income827188271682716: $73k median household income82718: $105k median household income827188271682716: $73k median household income82718: $105k median household income8271882716
The 2 residential ZIP codes named Gillette, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Gillette's ZIP codes?

The highest median household income is in 82718 ($104,458), the lowest in 82716 ($73,155). Home values run from $235,500 in 82716 to $309,000 in 82718.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Gillette

Residential ZIP codes with the postal name Gillette, WY, largest first (ACS 2020-2024); sort by any column
County
82718 Campbell County 26,619 17 $105k $309k
82716 Campbell County 16,817 14 $73k $236k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Gillette

1 ZIP code named Gillette has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Gillette, WY: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
82717Campbell County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Gillette's ZIP codes reach?

Gillette's residential ZIP codes lie in Campbell County.

Which places do Gillette's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Gillette's residential ZIP codes cover Gillette itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Sleepy Hollow census-designated 82718

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

Which first three digits do Gillette'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 Gillette starts with 827.

Three-digit prefixes of Gillette'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 Gillette's
PrefixSectional centerHereAll codes
827 Casper, WY (SCF 826) 3 18

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