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Zip Code 80734 — Holyoke, CO

ZIP Code 80734 is associated with Holyoke, CO, in Phillips County. The listed population estimate is 2,999; estimated density is 2.4 people per square mile. Among records with population estimates, it ranks #1 of 4 in Phillips County and #258 of 512 in CO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.524720, -102.292590)

Data MetricLocal Statistic
Postal / Zip Code80734
Primary CityHolyoke
State / ProvinceCO
CountyPhillips
Total Population2,999
Population Density2.4 people/sq mi
TimezoneAmerica/Denver

How 80734 Compares

MetricZIP 80734Phillips County recordsCO records
Population estimate2,9994,779 (sum)5,862,421 (sum)
Population Density2.4 /sq mi----
County population rank#1 of 4----
State population rank#258 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 80746Paoli10.3 mi37
ZIP 80721Amherst13.5 mi257
ZIP 80731Haxtun17.0 mi1,486
ZIP 80744Ovid24.6 mi615
ZIP 80737Julesburg25.8 mi1,420

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 →