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City ZIP codes · Colorado

Littleton, CO ZIP Codes

16 ZIP codes use the postal name Littleton, Colorado (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 10 residential and 6 for PO boxes or a single organization. Median household income runs from $94,296 in 80120 to $179,983 in 80125, 1.9 times as much (Census Bureau, ACS 2020-2024). Littleton's most populous ZIP code is 80126, with 44,882 people (ACS 2020-2024); 0% of its land is in the city of Littleton.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Littleton's ZIP codes?

80120: $94k median household income80121: $142k median household income80122: $129k median household income80123: $106k median household income80125: $180k median household income80126: $170k median household income80127: $137k median household income80128: $121k median household income80129: $142k median household income80130: $159k median household income8012780125801288012380126801308012080121801298012280120: $94k median household income80121: $142k median household income80122: $129k median household income80123: $106k median household income80125: $180k median household income80126: $170k median household income80127: $137k median household income80128: $121k median household income80129: $142k median household income80130: $159k median household income8012780125801288012380126801308012080121801298012280120: $94k median household income80121: $142k median household income80122: $129k median household income80123: $106k median household income80125: $180k median household income80126: $170k median household income80127: $137k median household income80128: $121k median household income80129: $142k median household income80130: $159k median household income801278012580128801238012680120801218012980122
The 10 residential ZIP codes named Littleton, 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 Littleton's ZIP codes?

The highest median household income is in 80125 ($179,983), the lowest in 80120 ($94,296). Home values run from $586,000 in 80128 to $782,000 in 80126.

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

All 10 residential ZIP codes of Littleton

Residential ZIP codes with the postal name Littleton, CO, largest first (ACS 2020-2024); sort by any column
County
80126 Douglas County 44,882 4,149 $170k $782k
80123 Jefferson County 44,549 3,706 $106k $620k
80127 Jefferson County 43,494 655 $137k $693k
80128 Jefferson County 36,712 2,923 $121k $586k
80122 Arapahoe County 32,195 4,526 $129k $634k
80129 Douglas County 30,223 4,293 $142k $664k
80120 Arapahoe County 29,725 3,553 $94k $628k
80130 Douglas County 24,719 3,595 $159k $692k
80121 Arapahoe County 18,029 2,500 $142k $708k
80125 Douglas County 15,630 399 $180k $762k

Download the 16 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 Littleton

6 ZIP codes named Littleton have 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.

Littleton, CO: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
80160Arapahoe County
80161Arapahoe County
80162Jefferson County
80163Douglas County
80165Arapahoe County
80166Arapahoe County

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

Which counties do Littleton's ZIP codes reach?

Littleton's residential ZIP codes lie in 4 counties: Arapahoe County (3 ZIP codes mainly there), Douglas County (4 ZIP codes mainly there), Jefferson County (3 ZIP codes mainly there), Denver County (part of a ZIP code).

Which places do Littleton's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Littleton's residential ZIP codes cover Littleton itself and 13 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

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

Which first three digits do Littleton'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 Littleton starts with 801.

Three-digit prefixes of Littleton'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 Littleton's
PrefixSectional centerHereAll codes
801 Denver, CO (SCF 800) 16 44

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