Zip Code 80120 — Littleton, CO

ZIP Code 80120 is associated with Littleton, CO, in Arapahoe County. The listed population estimate is 29,725; estimated density is 1,371.9 people per square mile. Among records with population estimates, it ranks #11 of 17 in Arapahoe County and #83 of 512 in CO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.592900, -105.009490)

Data MetricLocal Statistic
Postal / Zip Code80120
Primary CityLittleton
State / ProvinceCO
CountyArapahoe
Total Population29,725
Population Density1,371.9 people/sq mi
TimezoneAmerica/Denver

How 80120 Compares

MetricZIP 80120Arapahoe County recordsCO records
Population estimate29,725605,473 (sum)5,862,421 (sum)
Population Density1,371.9 /sq mi----
County population rank#11 of 17----
State population rank#83 of 512----

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 CO

ZIP CodeCityDistancePopulation estimate
ZIP 80122Littleton3.0 mi32,195
ZIP 80121Littleton3.2 mi18,029
ZIP 80129Littleton3.3 mi30,223
ZIP 80123Littleton3.6 mi44,549
ZIP 80110Englewood3.7 mi23,825

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 →