Postal Codes

80643 ZIP Code

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ZIP code 80643 covers Keenesburg, Colorado, with a population of about 4,257 and a median household income of $88,125.

Population
4,25720 per square mile
Median age
38.5about the US average
Median household income
$88,125about the Colorado median
Poverty rate
9.9%2.5 points below the US average
Typical home value
$534,782up 8.3% in five years
Median rent
$1,686about the Colorado median
Degree or higher
16.2%18.8 points below the US average
Homeownership
76.6%11.6 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
102

Where 80643 is

Keenesburg, 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

Population4,257
Median age38.5
Family households73.7%
Born outside the US6.2%
Speaks a language other than English at home13.7%
White (non-Hispanic)78.1%
Black (non-Hispanic)0.1%
Asian (non-Hispanic)0.7%
Hispanic or Latino17.9%
Veterans9.1%
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$88,125
Income per person$43,148
Poverty rate9.9%
Households on SNAP or cash assistance2.6%

Household income distribution

Under $10k5.9%
$10–15k3.6%
$15–20k3.6%
$20–25k2.1%
$25–30k0.0%
$30–35k0.4%
$35–40k1.4%
$40–45k1.7%
$45–50k3.8%
$50–60k10.1%
$60–75k12.8%
$75–100k9.7%
$100–125k8.8%
$125–150k8.7%
$150–200k18.8%
$200k or more8.7%

Income as declared to the IRS

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

Tax returns filed2,260
Mean adjusted gross income$84,996
Returns declaring $200,000 or more6.6%
Returns, under $25k19.9%
Returns, $25k–$50k19.5%
Returns, $50k–$75k17.7%
Returns, $75k–$100k12.8%
Returns, $100k–$200k23.5%
Returns, $200k or more6.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$455,200
Median gross rent$1,686
Owner-occupied76.6%
Vacant homes1.3%
Median year built1995

What the homes are

Detached house93.5%
Attached house0.6%
2 to 4 units2.2%
5 to 19 units0.4%
Mobile home2.7%
Boat, RV or van0.6%
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$534,782as of 2026-07
Typical home value, 1 yeardown 1.4%
Typical home value, 5 yearsup 8.3%
Typical home value, 10 yearsup 91.3%
Typical home value since 2000
200020132026$572,830$174,094

$174,094 in 2000 to $534,782 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.9%
Bachelor's degree or higher16.2%
High school diploma or higher91.3%
Works from home8%
Drives to work alone67.7%
Takes public transport0.1%
Commutes 45 minutes or more36.5%
Health

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

Obesity34.6% 1.2 pts above the national average of 33.4%
Diagnosed diabetes10.4% 1.6 pts below the national average of 12%
Currently smokes15.8% 2.6 pts above the national average of 13.2%
High blood pressure31.1% 3 pts below the national average of 34.1%
Fair or poor general health18.5% 1.8 pts below the national average of 20.3%
No health insurance (18–64)11.7% same as the national average of 11.3%
Depression23.7% 1.8 pts above the national average of 21.9%
No leisure-time physical activity21.9% 3.5 pts below the national average of 25.4%
Arthritis25.2% same as the national average of 25.1%
Binge drinking18.3% 2.3 pts above the national average of 16%
Taking blood pressure medication70.4% 4.3 pts below the national average of 74.7%
Cancer (non-skin)8.1% same as the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease6% same as the national average of 6.2%
Routine check-up in past year69.1% 7.6 pts below the national average of 76.7%
Cholesterol screening83.6% 2.3 pts below the national average of 85.9%
Cognitive disability17% 2.2 pts above the national average of 14.8%
Colorectal screening60.7% 3.6 pts below the national average of 64.3%
COPD7.1% 0.5 pts above the national average of 6.6%
Visited a dentist58.7% 2.6 pts below the national average of 61.3%
Any disability32.3% 1.6 pts above the national average of 30.7%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol33.4% 2.8 pts below the national average of 36.2%
Independent living disability8.4% same as the national average of 8.4%
Mammography use68.8% 7.1 pts below the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability12.9% 1.1 pts below the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Sleeps under 7 hours34.6% 1.8 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost12.7% same as the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments102
People employed843
Annual payroll$60,401,000
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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 72.3% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss85.5 out of 100
Community resilience41.8 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.

Hail99.4Very High at its worst in this ZIP code
Wildfire93.5Relatively Moderate at its worst in this ZIP code
Cold wave92.5Relatively High at its worst in this ZIP code
Drought88.9Relatively Moderate at its worst in this ZIP code
Tornado85.7Relatively High at its worst in this ZIP code
Strong wind85Relatively High at its worst in this ZIP code
Winter weather84.4Relatively High at its worst in this ZIP code
Lightning74Relatively Moderate at its worst in this ZIP code
Landslide73.7Very Low at its worst in this ZIP code
Ice storm71.6Relatively Moderate at its worst in this ZIP code
Volcanic activity60.7Very Low at its worst in this ZIP code
River flooding50.3Relatively Moderate at its worst in this ZIP code
Earthquake48.4Relatively Low at its worst in this ZIP code
Heat wave19.2Relatively 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$88,125$92,470$78,538
Income per person$43,148$50,489$43,289
Poverty rate9.9%9.4%12.4%
Median home value$455,200$502,200$303,400
Median gross rent$1,686$1,693$1,348
Homeownership76.6%66.3%65%
Bachelor's degree or higher16.2%44.7%35%
Unemployment rate0.9%4.5%5.2%
Works from home8%18.8%13.5%
Born outside the US6.2%9.6%13.9%
Median age38.537.538.7
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 stationDENVER INTL AP, CO US34.3 km away
Rain in a year14 in

Average high and low by month

January44.6°F / 18.7°F0.38 in rain
February45.7°F / 19.7°F0.41 in rain
March55.7°F / 27.5°F0.86 in rain
April61.7°F / 33.9°F1.68 in rain
May71.2°F / 43.6°F2.16 in rain
June83.4°F / 53°F1.94 in rain
July89.9°F / 60.2°F2.14 in rain
August87.5°F / 58.3°F1.58 in rain
September79.6°F / 50°F1.35 in rain
October65.3°F / 37°F0.99 in rain
November52.9°F / 26°F0.64 in rain
December44°F / 18.4°F0.35 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 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 2 school districts, so the address decides which one, not the ZIP code.

Weld County School District RE-3J94.1% of this ZIP code's land area
School District 27J5.9% 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 vulnerability59more vulnerable than 59% of US census tracts
Socioeconomic status50more vulnerable than 50% of US census tracts
Household characteristics57more vulnerable than 57% of US census tracts
Racial and ethnic minority status45more vulnerable than 45% of US census tracts
Housing type and transport70more vulnerable than 70% of US census tracts
Walkability5.7 out of 20Least walkable
Nearby ZIP codes

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

80652 Roggen, CO14 km away
80642 Hudson, CO18 km away
80621 Fort Lupton, CO30.2 km away
80603 Brighton, CO32.2 km away
80651 Platteville, CO33 km away
80601 Brighton, CO33.6 km away
80644 Kersey, CO34.1 km away
80645 La Salle, CO34.6 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 County88.6% of this ZIP code's land area
Adams County11.4% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area216.48 sq mi
Water area1.31 sq mi
Population density20 people per sq mi
Latitude, longitude40.0958, -104.4464

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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