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zipcodes.pro — STATE/CO/COUNTY/SAN-JUAN

San Juan County, CO ZIP codes

San Juan County, CO has one ZIP code: 81433. 1 more crosses into it from a neighbouring county: 81301.

The county seat is Silverton.

ZIP codes
1
Partly in it
1 more
Towns
1
County seat
Silverton
County FIPS
08111
Population
724
Median household income
$77,824
Land area
388 sq mi

San Juan County ZIP codes by town

Silverton (county seat)
81433

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in San Juan County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of San Juan County.

Map of San Juan County ZIP codes

81433

The ZIP codes of San Juan County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

San Juan County in numbers

About 724 people live in San Juan County, in 399 households, the 64th most populous of Colorado's 64 counties. The median household income is $77,824 a year, 18% below the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $432,500 (20% below the Colorado median), and median gross rent is $992 a month. The median age is 37.5; 52.1% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 15 minutes.

Population724San Juan724
Households399San Juan399
Median age37.5San Juan37.5Colorado37.7US 38.9
Median household income$77,824San Juan$77,824Colorado$95,470US $80,734
Median home value$432,500San Juan$432,500Colorado$539,400US $332,700
Median gross rent$992San Juan$992Colorado$1,761US $1,413
Bachelor's degree or higher52.1%San Juan52.1%Colorado45.7%US 35.7%
Mean commute14.8 minSan Juan14.8 minColorado25.2 minUS 26.4 min
Population density2 / sq miSan Juan2 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Neighbouring counties

Counties that share a ZIP code with San Juan County.

Not sure you are in San Juan County? What county am I in? answers from your location, near a county line included.

Every ZIP code in San Juan County, with figures

ZIP codes in San Juan County
ZIP City Type Population Median income Median home
81433 Silverton , CO Standard 651 $62,317 $452,600

Cite this page

zipcodes.pro. “San Juan County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/co/county/san-juan

Underlying data is public domain or openly licensed — sources, vintages and licences.