Adams County, Colorado ZIP Codes

20 ZIP Codes

Zip Code
City
Population
80022Commerce City61,452
80229Denver55,092
80011Aurora53,695
80233Denver48,441
80602Brighton44,783
80601Brighton42,127
80221Denver39,718
80031Westminster35,584
80260Denver34,677
80241Thornton34,082
80234Denver29,356
80603Brighton16,811
80030Westminster15,427
80640Henderson13,818
80019Aurora7,900
80102Bennett6,690
80136Strasburg6,144
80103Byers3,215
80045Aurora1,676
80024Dupont33

Overview of ZIP Codes in Adams County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
20
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 20 ZCTAs in Adams County, Colorado (US Census).