Postal Codes

80736 ZIP Code

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ZIP code 80736 covers Iliff, Colorado, with a population of about 561 and a median household income of $75,978.

Population
5614 per square mile
Median age
43.14.4 points above the US average
Median household income
$75,97818% below the Colorado median
Poverty rate
5.5%6.9 points below the US average
Typical home value
$305,968up 18.7% in five years
Median rent
$1,16731% below the Colorado median
Degree or higher
26.8%8.2 points below the US average
Homeownership
79.8%14.8 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
8

Where 80736 is

Iliff, 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

Population561
Median age43.1
Family households70.2%
Born outside the US2.5%
Speaks a language other than English at home5.9%
White (non-Hispanic)87.7%
Black (non-Hispanic)1.4%
Asian (non-Hispanic)0%
Hispanic or Latino8.6%
Veterans8.3%
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$75,978
Income per person$34,836
Poverty rate5.5%
Households on SNAP or cash assistance5.2%

Household income distribution

Under $10k0.0%
$10–15k2.8%
$15–20k6.9%
$20–25k0.8%
$25–30k4.8%
$30–35k3.2%
$35–40k3.2%
$40–45k6.0%
$45–50k0.0%
$50–60k9.7%
$60–75k8.9%
$75–100k21.4%
$100–125k14.9%
$125–150k6.5%
$150–200k10.1%
$200k or more0.8%

Income as declared to the IRS

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

Tax returns filed300
Mean adjusted gross income$77,180
Returns declaring $200,000 or more0%
Returns, under $25k26.7%
Returns, $25k–$50k16.7%
Returns, $50k–$75k20.0%
Returns, $75k–$100k13.3%
Returns, $100k–$200k23.3%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$186,900
Median gross rent$1,167
Rent as a share of household income27%
Owner-occupied79.8%
Vacant homes12.4%
Median year built1969

What the homes are

Detached house71%
Attached house2.5%
2 to 4 units0.4%
Mobile home26.1%
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$305,968as of 2026-07
Typical home value, 1 yearup 3.5%
Typical home value, 5 yearsup 18.7%
Typical home value, 10 yearsup 84.8%
Typical home value since 2000
200420152026$305,968$106,245

$106,761 in 2004 to $305,968 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.5%
Bachelor's degree or higher26.8%
High school diploma or higher92.4%
Works from home6.2%
Drives to work alone86.6%
Takes public transport2%
Commutes 45 minutes or more9.4%
Health

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

Obesity28.4% 5 pts below the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes14.3% 1.1 pts above the national average of 13.2%
High blood pressure34.4% same as the national average of 34.1%
Fair or poor general health19% 1.3 pts below the national average of 20.3%
No health insurance (18–64)10.6% 0.7 pts below the national average of 11.3%
Depression23.8% 1.9 pts above the national average of 21.9%
No leisure-time physical activity20.9% 4.5 pts below the national average of 25.4%
Arthritis29.3% 4.2 pts above the national average of 25.1%
Binge drinking16.4% same as the national average of 16%
Taking blood pressure medication73.6% 1.1 pts below the national average of 74.7%
Cancer (non-skin)9.8% 2.1 pts above the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year72.8% 3.9 pts below the national average of 76.7%
Cholesterol screening85.5% same as the national average of 85.9%
Cognitive disability15.5% 0.7 pts above the national average of 14.8%
Colorectal screening63.3% 1 pts below the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist59.2% 2.1 pts below the national average of 61.3%
Any disability31.8% 1.1 pts above the national average of 30.7%
Hearing disability8.8% 2.1 pts above the national average of 6.7%
High cholesterol35.7% 0.5 pts below the national average of 36.2%
Independent living disability8.4% same as the national average of 8.4%
Mammography use68.7% 7.2 pts below the national average of 75.9%
Poor mental health (14+ days)16.9% same as the national average of 16.8%
Mobility disability14.4% same as the national average of 14%
Poor physical health (14+ days)14.7% 1.2 pts above the national average of 13.5%
Self-care disability4% same as the national average of 4%
Sleeps under 7 hours32.7% 3.7 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost15.9% 2.9 pts above the national average of 13%
Vision disability5.2% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments8
People employed53
Annual payroll$1,943,000
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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 70.8% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss78.9 out of 100
Community resilience18.6 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.

Hail98.3Very High at its worst in this ZIP code
Drought98.2Relatively High at its worst in this ZIP code
Strong wind95.2Very High at its worst in this ZIP code
Cold wave91.8Very High at its worst in this ZIP code
Wildfire89.1Relatively Moderate at its worst in this ZIP code
Ice storm86.9Relatively High at its worst in this ZIP code
Winter weather83.2Very High at its worst in this ZIP code
Tornado77.5Very High at its worst in this ZIP code
Lightning63.1Relatively High at its worst in this ZIP code
Landslide62.7Very Low at its worst in this ZIP code
River flooding44.9Relatively Moderate at its worst in this ZIP code
Earthquake22.2Very Low at its worst in this ZIP code
Heat wave9.5Relatively 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$75,978$92,470$78,538
Income per person$34,836$50,489$43,289
Poverty rate5.5%9.4%12.4%
Median home value$186,900$502,200$303,400
Median gross rent$1,167$1,693$1,348
Homeownership79.8%66.3%65%
Bachelor's degree or higher26.8%44.7%35%
Unemployment rate3.5%4.5%5.2%
Works from home6.2%18.8%13.5%
Born outside the US2.5%9.6%13.9%
Median age43.137.538.7
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 stationSTERLING, CO US18.3 km away
Rain in a year15 in

Average high and low by month

January42.1°F / 15.6°F0.33 in rain
February45.6°F / 18.5°F0.54 in rain
March56.7°F / 26.7°F0.77 in rain
April63.7°F / 35.3°F1.32 in rain
May73.4°F / 45.5°F2.24 in rain
June84.9°F / 56.7°F2.2 in rain
July91.2°F / 62.2°F2.67 in rain
August88.6°F / 59.6°F1.52 in rain
September81.3°F / 49°F1.63 in rain
October66.2°F / 35.3°F1.22 in rain
November53.1°F / 24.4°F0.45 in rain
December41.8°F / 15.5°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 supermarket100% of this ZIP code's area
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.

Valley School District RE-194.6% of this ZIP code's land area
Plateau School District RE-54.9% 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 vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status50more vulnerable than 50% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status32more vulnerable than 32% of US census tracts
Housing type and transport49more vulnerable than 49% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

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

80751 Sterling, CO18.6 km away
80747 Peetz, CO20.4 km away
80726 Crook, CO24.1 km away
80728 Fleming, CO24.2 km away
80745 Padroni, CO26.5 km away
80722 Atwood, CO32.7 km away
80741 Merino, CO38.6 km away
69162 Sidney, NE42.1 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.

Logan County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area132.65 sq mi
Water area0.07 sq mi
Population density4 people per sq mi
Latitude, longitude40.7692, -103.0968

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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