Zip Code 81643 — Mesa, CO

ZIP Code 81643 is associated with Mesa, CO, in Mesa County. The listed population estimate is 1,133; estimated density is 2.8 people per square mile. Among records with population estimates, it ranks #13 of 16 in Mesa County and #326 of 512 in CO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.119680, -108.150010)

Data MetricLocal Statistic
Postal / Zip Code81643
Primary CityMesa
State / ProvinceCO
CountyMesa
Total Population1,133
Population Density2.8 people/sq mi
TimezoneAmerica/Denver

How 81643 Compares

MetricZIP 81643Mesa County recordsCO records
Population estimate1,133157,719 (sum)5,862,421 (sum)
Population Density2.8 /sq mi----
County population rank#13 of 16----
State population rank#326 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 81646Molina8.5 mi115
ZIP 81526Palisade10.1 mi5,559
ZIP 81520Clifton15.3 mi12,892
ZIP 81418Eckert15.7 mi1,945
ZIP 81413Cedaredge16.5 mi5,149

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 →