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Zip Code 80736 — Iliff, CO

ZIP Code 80736 is associated with Iliff, CO, in Logan County. The listed population estimate is 625; estimated density is 1.8 people per square mile. Among records with population estimates, it ranks #4 of 8 in Logan County and #381 of 512 in CO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.816350, -103.019070)

Data MetricLocal Statistic
Postal / Zip Code80736
Primary CityIliff
State / ProvinceCO
CountyLogan
Total Population625
Population Density1.8 people/sq mi
TimezoneAmerica/Denver

How 80736 Compares

MetricZIP 80736Logan County recordsCO records
Population estimate62520,884 (sum)5,862,421 (sum)
Population Density1.8 /sq mi----
County population rank#4 of 8----
State population rank#381 of 512----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CO

ZIP CodeCityDistancePopulation estimate
ZIP 80747Peetz11.8 mi499
ZIP 80726Crook14.2 mi453
ZIP 80728Fleming14.4 mi1,029
ZIP 80751Sterling16.4 mi16,936
ZIP 80745Padroni20.6 mi32

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →