Home > CO > Rio Grande County > South Fork > Zip 81154

Zip Code 81154 — South Fork, CO

81154 is a ZIP Code associated with South Fork, CO, located within Rio Grande. The postal region supports an estimated population of 1,363 residents across Data Pending housing units, with a population density of 1.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.634730, -106.671790)

Data MetricLocal Statistic
Postal / Zip Code81154
Primary CitySouth Fork
State / ProvinceCO
CountyRio Grande
Total Population1,363
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.4 people/sq mi
TimezoneAmerica/Denver

How 81154 Compares

MetricZIP 81154Rio Grande CountyCO State Average
Population1,36311,1585,862,421
Median IncomeData PendingN/AN/A
Population Density1.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 81132Del Norte15.4 mi3,252N/A
Zip 81130Creede21.2 mi727N/A
Zip 81144Monte Vista29.2 mi6,543N/A
Zip 81147Pagosa Springs33.0 mi13,091N/A
Zip 81125Center35.4 mi3,362N/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 →