Zip lookup · CO

81154
South Fork, Colorado.

South Fork, Rio Grande County, CO · population 1,363

What it costs per month · 81154 $2,386/mo

to buy the typical home at today's mortgage rate — +$1,430 (+150%) since Jan 2020.

What the home itself did
1 year
Up $10,350 +2%
$444,248$454,598 since Sep 2025
5 years
Up $120,757 +36%
$333,841$454,598 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 81154 $2,386 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 81154$2,386
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 11 years.

Typical home values in zip 81154 rose 2.3% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Rio Grande County, CO 65% · Mineral County, CO 35%

Zillow also publishes an index for the city itself: South Fork, CO — measured over the city limits, which is a different area from this zip.

Typical home value $454,598 as of Sep 2026
+2.3%year on year

Typical home value — 81154

Mid-tier homes, smoothed and seasonally adjusted.

$250,000 $300,000 $350,000 $400,000 $450,000 2018 2020 2022 2024 2026 81154 $454,598 United States $366,157
$250,000 $300,000 $350,000 $400,000 $450,000 2018 2022 2026
  • 81154$454,598
  • United States$366,157

Within 20 miles

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.