South Fork, CO 81154 ZIP Code Profile

Related Place Profiles:
Alpine, CO | South Fork, CO

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ZIP Code 81154: Basic Data & USPS Preferred City Name

Preferred Name, USPS
South Fork, CO 81154

Not Acceptable, USPS
Alpine, CO 81154
Masonic Park, CO 81154
Wagon Wheel Gap, CO 81154

  • ZIP Code Type: STANDARD
  • County: Rio Grande County
  • Centroid: Latitude 37.672, Longitude -106.631
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

ZIP Code 81154 has segments in 2 Counties (Mineral, Rio Grande).

  • Businesses Addresses: 107
  • PO Box Addresses: 401
  • Residential Addresses: 853
    • Multi-Family Addresses: 44
    • Single Family Addresses: 809

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


81154 ZIP Code Map

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South Fork, CO 81154 Data & Demographics (As of July 1, 2017)


Total Population 1,097
Daytime Population: Workers 528
Daytime Population: Residents 529
Total Daytime Population (TDP) 1,057
Ratio TDP/Total Population1 0.96
Population in Households 1,092
Population in Familes 886
Population in Group Qrtrs 5
Population Density2 3
Diversity Index3 38


Median Household Income $38,135
Average Household Income $59,393
Per Capita Income $27,631


Total Housing Units 1,697 (100%)
Owner Occupied HU 367 (21.6%)
Renter Occupied HU 142 ( 8.4%)
Vacant Housing Units 1,188 (70.0%)
Median Home Value $230,056
Average Home Value $286,649


Total Households 509
Average Household Size 2.15
Family Households 346
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.4% -0.82%
Households -0.43% -0.8%
Families -0.47% -0.88%
Median Household Income   2.76%
Per Capita Income   2.69%

South Fork, CO 81154 - Peer Comparisons by Rank and Percentile

The table below compares 81154 to the other 503 ZIP Codes in Colorado by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 322 36th
Population Density # 386 23rd
Diversity Index # 242 52nd
Median Household Income # 440 13th
Per Capita Income # 307 39th

Additional comparisons and rankings can be made with a VERY EASY TO USE Colorado Census Data Comparison Tool.

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