Postal Codes

80621 ZIP Code

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ZIP code 80621 covers Fort Lupton, Colorado, with a population of about 14,542 and a median household income of $80,746.

Population
14,542115 per square mile
Median age
35.92.8 points below the US average
Median household income
$80,74613% below the Colorado median
Poverty rate
12.7%about the US average
Typical home value
$467,132up 9.4% in five years
Median rent
$1,38918% below the Colorado median
Degree or higher
18%17 points below the US average
Homeownership
71.4%6.4 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
309

Where 80621 is

Fort Lupton, 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

Population14,542
Median age35.9
Family households77.4%
Born outside the US14.2%
Speaks a language other than English at home33.8%
White (non-Hispanic)44%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.4%
Hispanic or Latino51.4%
Veterans4.6%
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$80,746
Income per person$32,755
Poverty rate12.7%
Households on SNAP or cash assistance9.4%

Household income distribution

Under $10k5.1%
$10–15k2.7%
$15–20k2.8%
$20–25k0.8%
$25–30k4.0%
$30–35k7.0%
$35–40k3.7%
$40–45k4.0%
$45–50k6.0%
$50–60k5.0%
$60–75k6.3%
$75–100k11.5%
$100–125k12.2%
$125–150k9.9%
$150–200k13.0%
$200k or more5.9%

Income as declared to the IRS

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

Tax returns filed7,500
Mean adjusted gross income$74,396
Returns declaring $200,000 or more3.9%
Returns, under $25k25.1%
Returns, $25k–$50k25.6%
Returns, $50k–$75k19.2%
Returns, $75k–$100k11.3%
Returns, $100k–$200k14.9%
Returns, $200k or more3.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$425,900
Median gross rent$1,389
Rent as a share of household income39.1%
Owner-occupied71.4%
Vacant homes3.5%
Median year built1980

What the homes are

Detached house83.6%
Attached house2.3%
2 to 4 units4.6%
5 to 19 units1.7%
20 or more units0.9%
Mobile home6.9%
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$467,132as of 2026-07
Typical home value, 1 yeardown 2.1%
Typical home value, 5 yearsup 9.4%
Typical home value, 10 yearsup 84.2%
Typical home value since 2000
200020132026$489,378$129,446

$156,369 in 2000 to $467,132 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.7%
Bachelor's degree or higher18%
High school diploma or higher80.7%
Works from home8.3%
Drives to work alone76.2%
Takes public transport0%
Commutes 45 minutes or more31.8%
Health

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

Obesity36.7% 3.3 pts above the national average of 33.4%
Diagnosed diabetes12.3% same as the national average of 12%
Currently smokes14.8% 1.6 pts above the national average of 13.2%
High blood pressure31% 3.1 pts below the national average of 34.1%
Fair or poor general health22.3% 2 pts above the national average of 20.3%
No health insurance (18–64)19.7% 8.4 pts above the national average of 11.3%
Depression21.6% same as the national average of 21.9%
No leisure-time physical activity26.2% 0.8 pts above the national average of 25.4%
Arthritis23.5% 1.6 pts below the national average of 25.1%
Binge drinking17.4% 1.4 pts above the national average of 16%
Taking blood pressure medication70.3% 4.4 pts below the national average of 74.7%
Cancer (non-skin)6.9% 0.8 pts below the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year67.6% 9.1 pts below the national average of 76.7%
Cholesterol screening82% 3.9 pts below the national average of 85.9%
Cognitive disability18.2% 3.4 pts above the national average of 14.8%
Colorectal screening59.5% 4.8 pts below the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist57.8% 3.5 pts below the national average of 61.3%
Any disability34.9% 4.2 pts above the national average of 30.7%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol33.4% 2.8 pts below the national average of 36.2%
Independent living disability9% 0.6 pts above the national average of 8.4%
Mammography use70.5% 5.4 pts below the national average of 75.9%
Poor mental health (14+ days)17.8% 1 pts above the national average of 16.8%
Mobility disability14.3% same as the national average of 14%
Poor physical health (14+ days)15.4% 1.9 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Sleeps under 7 hours35.1% 1.3 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost13.1% same as the national average of 13%
Vision disability6.6% 1 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments309
People employed3,589
Annual payroll$238,969,000
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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 31.3% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 14 census tracts this ZIP code covers
Expected annual loss34.8 out of 100
Community resilience42.5 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.

Hail91.3Very High at its worst in this ZIP code
Wildfire86.8Relatively Moderate at its worst in this ZIP code
Drought78.4Relatively Low at its worst in this ZIP code
Cold wave69.9Relatively High at its worst in this ZIP code
Winter weather64.9Relatively High at its worst in this ZIP code
Tornado62.9Relatively High at its worst in this ZIP code
Strong wind60.1Relatively High at its worst in this ZIP code
Volcanic activity49.4Very Low at its worst in this ZIP code
Lightning46.6Relatively High at its worst in this ZIP code
Landslide44.1Very Low at its worst in this ZIP code
Earthquake39.6Relatively Low at its worst in this ZIP code
Ice storm37.3Relatively Low at its worst in this ZIP code
River flooding31.9Relatively High at its worst in this ZIP code
Heat wave8.3Relatively 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$80,746$92,470$78,538
Income per person$32,755$50,489$43,289
Poverty rate12.7%9.4%12.4%
Median home value$425,900$502,200$303,400
Median gross rent$1,389$1,693$1,348
Homeownership71.4%66.3%65%
Bachelor's degree or higher18%44.7%35%
Unemployment rate6.7%4.5%5.2%
Works from home8.3%18.8%13.5%
Born outside the US14.2%9.6%13.9%
Median age35.937.538.7
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 stationBRIGHTON 3 SE, CO US18.5 km away
Rain in a year14 in
Snow in a year34 in

Average high and low by month

January44.4°F / 16.1°F0.42 in rain, 5.2 in snow
February45.9°F / 18.5°F0.43 in rain, 5.3 in snow
March55.9°F / 26.7°F0.98 in rain, 6 in snow
April62.9°F / 33.9°F1.77 in rain, 3.1 in snow
May71.9°F / 43.2°F2.35 in rain, 0.5 in snow
June84.1°F / 52.4°F1.41 in rain
July90°F / 58.2°F1.72 in rain
August87.6°F / 56.4°F1.77 in rain
September79.8°F / 47.4°F1.18 in rain, 0.2 in snow
October65.9°F / 35°F1.02 in rain, 3.2 in snow
November53.3°F / 25°F0.69 in rain, 5.8 in snow
December44°F / 16.3°F0.37 in rain, 5.2 in snow
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 supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
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%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Weld County School District RE-865.7% of this ZIP code's land area
Weld County School District RE-3J23% of this ZIP code's land area
Weld County School District RE-19.2% of this ZIP code's land area
St. Vrain Valley School District RE 1J1.8% 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 vulnerability50more vulnerable than 50% of US census tracts
Socioeconomic status55more vulnerable than 55% of US census tracts
Household characteristics48more vulnerable than 48% of US census tracts
Racial and ethnic minority status59more vulnerable than 59% of US census tracts
Housing type and transport39more vulnerable than 39% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

80530 Frederick, CO10.9 km away
80514 Dacono, CO11.3 km away
80520 Firestone, CO11.5 km away
80651 Platteville, CO11.7 km away
80504 Longmont, CO12.9 km away
80642 Hudson, CO13.7 km away
80603 Brighton, CO17.5 km away
80601 Brighton, CO18.4 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.

Weld County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area126.6 sq mi
Water area0.82 sq mi
Population density115 people per sq mi
Latitude, longitude40.1080, -104.8013

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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