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Colorado ZIP Codes
Logan County
Iliff, CO
80736
80736 ZIP Code — Iliff, CO
Logan County, Colorado
ZIP code 80736 is located in
Iliff ,
Colorado ,
within Logan County .
It covers approximately 132.65 square miles and serves a population of
553 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 970 .
About ZIP code 80736
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $139,800. Owner-occupancy is high at 84%, well above the national average.
Median household income is $73,523. Poverty affects 20% of residents, above the national average.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
Overall, ZIP code 80736 reflects a community defined by economic challenges above the national average and high homeownership.
80736 ZIP code map
View map of 80736
Cities in ZIP code 80736
Below are the cities the US Postal Service accepts for ZIP code 80736. Using any city not on this list may result in mail delivery delays.
City
Status
Iliff
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
553
Population density
4 / sq mi
State FIPS
08
County FIPS
075
Geography
Land area
132.65 sq mi
Water area
0.07 sq mi
Latitude
40.7882
Longitude
-103.0275
Timezone
Mountain (MT)
Area code
970
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.1%
50.3%
32.5%
$50k – $100k
41.2%
32.7%
31.0%
$100k – $200k
14.7%
14.7%
26.9%
Over $200k
0.0%
2.3%
9.6%
Demographics & statistics
$73,523
Median household income
$139,800
Median home value
$1,153
Median monthly rent
21.7%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 117 21.2% 18 and over 436 78.8% 65 and over 78 14.1% Median age 42.2 years
Race & ethnicity
Black or African American
0.7%
Group Count % White 495 81.5% Hispanic or Latino 54 8.9% Other race 30 4.9% Two or more races 24 4% Black or African American 4 0.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.1%
50.3%
32.5%
$50k – $100k
41.2%
32.7%
31.0%
$100k – $200k
14.7%
14.7%
26.9%
Over $200k
0.0%
2.3%
9.6%
Range % of households $10k–$15k 3.5% $15k–$25k 4.3% $25k–$35k 12.6% $35k–$50k 15.2% $50k–$75k 20.0% $75k–$100k 18.7% $100k–$150k 22.2% $150k–$200k 3.5% Median income $73,523
Housing
Housing overview
Metric Value Median home value $139,800 Median rent / month $1,153 Owner occupied 83.5% Renter occupied 16.5% Vacant 7.3% Single-family detached 66.9% Large apartment buildings 0.0% Mobile homes 29.8% Median rooms 5.3 Avg household size (owned) 2.27
Year built
Era % 2020 or later 1.6% 2010–2019 4.0% 2000–2009 14.5% 1990–1999 19.0% 1980–1989 8.9% 1970–1979 7.3% 1960–1969 16.1% 1950–1959 7.7% 1940–1949 5.6% 1939 or earlier 15.3%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 4.8% 2 bedrooms 27.4% 3 bedrooms 55.2% 4 bedrooms 10.1% 5+ bedrooms 2.4%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 15.7% 2 vehicles 25.2% 3 or more 59.1%
Heating fuel
Fuel type % Utility gas 60.0% Electricity 8.3% Propane / LP gas 31.7%
Households & families
Household type Count % Married-couple family 147 63.9% Cohabiting couple 19 8.3% Male householder, no spouse 48 20.9% Female householder, no spouse 16 7.0% Households with children under 18 65 28.3% Households with seniors (65+) 51 22.2% Average household size 2.40
Marital status
Status Male Female Never married 18.8% 27.2% Married 61.2% 57.1% Separated 2.4% 3.1% Widowed 2.0% 5.4% Divorced 15.6% 7.1%
Education
Some college, no degree
29.1%
Graduate / professional
5.8%
Metric % HS diploma or higher 93.4% Bachelor's or higher 21.7%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 53 38.4% High school 57 41.3% College / grad school 28 20.3%
Employment
Industry of employment
Agriculture & mining
27.6%
Education & healthcare
26.2%
Professional & management
6.5%
Transportation & utilities
5.4%
Arts, food & hospitality
3.2%
Public administration
1.4%
Finance & real estate
0.7%
Occupation
Category % Management, business & arts 42.3% Service 19.7% Sales & office 8.6% Natural resources & construction 22.6% Production & transportation 6.8%
Employment type
Type % Private sector 63.4% Government 24.7% Self-employed 11.8% Unpaid family workers 0.0%
Commute
Method % Drive alone 84.6% Carpool 4.3% Public transit 2.2% Walk 0.0% Work from home 8.6% Other means 0.4% Avg commute (minutes) 24.8
Poverty
Married-couple families
13.6%
Female-led households
34.8%
Income support
Source % of households Social Security 21.7% Retirement income 16.5% Supplemental Security 3.9% Cash public assistance 3.9% Food stamps / SNAP 14.3%
Health indicators
Condition % Obesity 27.4% High blood pressure 30.7% High cholesterol 31.6% Diabetes 9.7% Heart disease 6.9% Stroke 3.3% Asthma 10.2% Arthritis 26.2% Kidney disease 3.1% Pulmonary disease 7.6% Cancer 7.3%
Behavior / access % Smoking 18.7% Binge drinking 18.4% No physical activity 21.7% Less than 7 hrs sleep 31.5% Depression 20.4% Fair or poor health 13.5% Poor mental health 14.6% Poor physical health 11.1% No health insurance 13.4% Visited doctor (checkup) 66.9% Visited dentist 60.3% Cholesterol screening 90.1% Teeth loss 13.5%
Veterans & disability
Veterans Count % Civilian veterans 33 7.6%
Disability % Any disability 15.7% Under 18 9.4% 18–64 years 11.2% 65 and over 46.2%
Health insurance coverage
Type % Private insurance 57.1% Public insurance 43.0% No insurance 12.5% Uninsured under 19 11.5%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 532 96.2% Spanish 5 0.9% Other Indo-European 5 0.9% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 539 97.5% Born in same state 533 96.4% Born in different state 367 66.4% Foreign born 6 1.1% Naturalized citizen 14 2.5% Not a US citizen 14 100.0%
Ancestry
Ancestry Count % French 49 8.9% Italian 26 4.7%
Ancestry Count % Arab 16 2.9% Polish 2 0.4%
Technology access
Metric % of households Computer access 41.6% Internet access 99.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 80736
What city is ZIP code 80736 in?
ZIP code 80736 is primarily assigned to Iliff, Colorado.
What county is ZIP code 80736 in?
ZIP code 80736 falls within Logan County, Colorado.
What is the poverty rate in ZIP code 80736?
20% of residents in ZIP code 80736 live below the poverty line, above the national average.
Is ZIP code 80736 mostly owner-occupied?
84% of occupied units in ZIP code 80736 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 80736?
The median home value in ZIP code 80736 is $139,800.
What is the population of ZIP code 80736?
ZIP code 80736 has an estimated population of 553 residents, with a density of 4 people per square mile.
What timezone is ZIP code 80736 in?
ZIP code 80736 observes the MST timezone.
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