Zip Code 81403 — Montrose, CO

ZIP Code 81403 is associated with Montrose, CO, in Montrose County. The listed population estimate is 12,138; estimated density is 9.3 people per square mile. Among records with population estimates, it ranks #2 of 8 in Montrose County and #164 of 512 in CO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.323080, -107.928160)

Data MetricLocal Statistic
Postal / Zip Code81403
Primary CityMontrose
State / ProvinceCO
CountyMontrose
Total Population12,138
Population Density9.3 people/sq mi
TimezoneAmerica/Denver

How 81403 Compares

MetricZIP 81403Montrose County recordsCO records
Population estimate12,13845,147 (sum)5,862,421 (sum)
Population Density9.3 /sq mi----
County population rank#2 of 8----
State population rank#164 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 81425Olathe15.2 mi5,005
ZIP 81401Montrose15.4 mi24,228
ZIP 81432Ridgway17.0 mi3,219
ZIP 81430Placerville20.8 mi708
ZIP 81220Cimarron24.1 mi251

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 →