ZIP code · Twin Lakes · Colorado · United States

ZIP code 81251 — Twin Lakes

ZIP code 81251 serves Twin Lakes, Colorado.

Postal code
81251
Single source Value from one source, not cross-checked.
City
Twin Lakes
County
Lake FIPS 08065
State
Colorado
Country
United States
Coordinates
39.1011, -106.4416 — precision precise (locality)
View on OpenStreetMap
Population
362 (ZCTA, ACS 5-year)
Population density
3 / sq mi
Land area
139.2 sq mi (360.5 km²) (ZCTA, ACS 5-year)
Median household income
$75,333
Per-capita income
$49,819
Median age
59.2
Households
212
Housing units
271
Median home value
$482,600
Congressional district
CO-7 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Denver (UTC−7 / UTC−6 DST)
Area code
719 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 74°F), coldest Jan (avg low 5°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F343541465870747165534234
Avg low °F551321303743423526178
Precip in0.40.60.70.80.90.71.71.61.10.80.50.5

NOAA 1991–2020 climate normals from the nearest station: TWIN LAKES RSVR (4.9 mi) · NOAA NCEI

Places in ZIP 81251

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page