Postal Codes

81251 ZIP Code

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ZIP code 81251 covers Twin Lakes, Colorado, with a population of about 362 and a median household income of $75,333.

Population
3623 per square mile
Median age
59.220.5 points above the US average
Median household income
$75,33319% below the Colorado median
Poverty rate
11%1.4 points below the US average
Typical home value
$659,234up 33.1% in five years
Degree or higher
71.9%36.9 points above the US average
Homeownership
94.3%29.3 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
10

Where 81251 is

Twin Lakes, Colorado — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population362
Median age59.2
Family households46.7%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)68.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino29.3%
Veterans20.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$75,333
Income per person$49,819
Poverty rate11%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k14.6%
$10–15k0.0%
$15–20k2.4%
$20–25k5.7%
$25–30k0.0%
$30–35k0.0%
$35–40k5.2%
$40–45k4.7%
$45–50k6.1%
$50–60k0.0%
$60–75k9.4%
$75–100k14.2%
$100–125k12.3%
$125–150k17.5%
$150–200k6.1%
$200k or more1.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed100
Mean adjusted gross income$115,020
Returns declaring $200,000 or more0%
Returns, under $25k40.0%
Returns, $25k–$50k0.0%
Returns, $50k–$75k30.0%
Returns, $75k–$100k0.0%
Returns, $100k–$200k30.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$482,600
Owner-occupied94.3%
Vacant homes21.8%
Median year built1976

What the homes are

Detached house90%
Attached house7%
2 to 4 units3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$659,234as of 2026-07
Typical home value, 1 yearup 3.6%
Typical home value, 5 yearsup 33.1%
Typical home value, 10 yearsup 140.8%
Typical home value since 2000
200920172026$659,234$234,317

$254,597 in 2009 to $659,234 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher71.9%
High school diploma or higher100%
Works from home6.7%
Drives to work alone54.4%
Takes public transport0%
Commutes 45 minutes or more26.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity25.5% 7.9 pts below the national average of 33.4%
Diagnosed diabetes12.7% 0.7 pts above the national average of 12%
Currently smokes14.7% 1.5 pts above the national average of 13.2%
High blood pressure38.6% 4.5 pts above the national average of 34.1%
Fair or poor general health20.6% same as the national average of 20.3%
No health insurance (18–64)9.8% 1.5 pts below the national average of 11.3%
Depression22.9% 1 pts above the national average of 21.9%
No leisure-time physical activity22.3% 3.1 pts below the national average of 25.4%
Arthritis34.8% 9.7 pts above the national average of 25.1%
Binge drinking14.5% 1.5 pts below the national average of 16%
Taking blood pressure medication78.4% 3.7 pts above the national average of 74.7%
Cancer (non-skin)12.1% 4.4 pts above the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease9.1% 2.9 pts above the national average of 6.2%
Routine check-up in past year76.2% 0.5 pts below the national average of 76.7%
Cholesterol screening88.9% 3 pts above the national average of 85.9%
Cognitive disability14.6% same as the national average of 14.8%
Colorectal screening67.6% 3.3 pts above the national average of 64.3%
COPD9.7% 3.1 pts above the national average of 6.6%
Visited a dentist58.9% 2.4 pts below the national average of 61.3%
Any disability33.8% 3.1 pts above the national average of 30.7%
Hearing disability10.1% 3.4 pts above the national average of 6.7%
High cholesterol40.2% 4 pts above the national average of 36.2%
Independent living disability8.6% same as the national average of 8.4%
Mammography use65.7% 10.2 pts below the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability16.8% 2.8 pts above the national average of 14%
Poor physical health (14+ days)15.9% 2.4 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Sleeps under 7 hours30.9% 5.5 pts below the national average of 36.4%
Stroke4.6% 1.2 pts above the national average of 3.4%
All natural teeth lost14.5% 1.5 pts above the national average of 13%
Vision disability5.5% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments10
People employed17
Annual payroll$693,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 81.8% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss88.1 out of 100
Community resilience17.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide99.7Relatively High at its worst in this ZIP code
Lightning91.8Relatively High at its worst in this ZIP code
Avalanche86.5Relatively Moderate at its worst in this ZIP code
Wildfire83.9Relatively Low at its worst in this ZIP code
Winter weather69.9Relatively Moderate at its worst in this ZIP code
Hail65.2Relatively Low at its worst in this ZIP code
River flooding57.6Relatively Moderate at its worst in this ZIP code
Volcanic activity44.6Very Low at its worst in this ZIP code
Earthquake33.5Very Low at its worst in this ZIP code
Tornado26.6Very Low at its worst in this ZIP code
Strong wind23Relatively Low at its worst in this ZIP code
Cold wave17.2Very Low at its worst in this ZIP code
Ice storm5.6Very Low at its worst in this ZIP code
Compared with Colorado and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPColoradoUnited States
Median household income$75,333$92,470$78,538
Income per person$49,819$50,489$43,289
Poverty rate11%9.4%12.4%
Median home value$482,600$502,200$303,400
Median gross rent$1,693$1,348
Homeownership94.3%66.3%65%
Bachelor's degree or higher71.9%44.7%35%
Unemployment rate0%4.5%5.2%
Works from home6.7%18.8%13.5%
Born outside the US0%9.6%13.9%
Median age59.237.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationTWIN LAKES RSVR, CO US7.9 km away
Rain in a year10 in

Average high and low by month

January33.7°F / 5.1°F0.44 in rain
February34.8°F / 5.2°F0.57 in rain
March41.2°F / 13.3°F0.7 in rain
April46.3°F / 21.3°F0.83 in rain
May57.7°F / 29.7°F0.92 in rain
June69.6°F / 36.6°F0.72 in rain
July74.4°F / 42.8°F1.67 in rain
August71.3°F / 41.6°F1.56 in rain
September64.5°F / 35.2°F1.13 in rain
October53.4°F / 26.3°F0.82 in rain
November42.2°F / 16.8°F0.46 in rain
December33.8°F / 7.6°F0.49 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Lake County School District R-1100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability69more vulnerable than 69% of US census tracts
Socioeconomic status68more vulnerable than 68% of US census tracts
Household characteristics29more vulnerable than 29% of US census tracts
Racial and ethnic minority status75more vulnerable than 75% of US census tracts
Housing type and transport76more vulnerable than 76% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

81228 Granite, CO17.8 km away
80429 Climax, CO17.8 km away
80461 Leadville, CO20.5 km away
81642 Meredith, CO30.7 km away
81611 Aspen, CO34.6 km away
81210 Almont, CO36.5 km away
80420 Alma, CO38.5 km away
81211 Buena Vista, CO38.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lake County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area139.18 sq mi
Water area3.73 sq mi
Population density3 people per sq mi
Latitude, longitude39.1011, -106.4416

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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