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Zip Code 81223 — Cotopaxi, CO

81223 is a ZIP Code associated with Cotopaxi, CO, located within Fremont. The postal region supports an estimated population of 2,457 residents across Data Pending housing units, with a population density of 2.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.393720, -105.603100)

Data MetricLocal Statistic
Postal / Zip Code81223
Primary CityCotopaxi
State / ProvinceCO
CountyFremont
Total Population2,457
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.4 people/sq mi
TimezoneAmerica/Denver

How 81223 Compares

MetricZIP 81223Fremont CountyCO State Average
Population2,45749,4965,862,421
Median IncomeData PendingN/AN/A
Population Density2.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 81232Hillside8.2 miN/AN/A
Zip 81222Coaldale11.8 mi538N/A
Zip 81233Howard13.3 mi966N/A
Zip 81212Canon City14.2 mi32,292N/A
Zip 81252Westcliffe22.0 mi4,763N/A

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 →