Westminster, CO ZIP Codes, Coordinates & Counties

Westminster, Colorado has 2 ZIP codes in Adams county. The approximate center of Westminster is 39.853, -105.039. Westminster has about 233,239 known street addresses.

ZIP codes
2
Counties
1
State
Colorado (CO)
Coordinates
39.853, -105.039
Mapped addresses
233,239

ZIP codes in Westminster, CO

ZIP CodeCountyLatitudeLongitude
80030 Adams 39.83 -105.037
80031 Adams 39.876 -105.041

Counties Westminster spans

Adams

Most common streets in Westminster

88th, 116th, 112th, King, 92nd, Osceola, 72nd, Grove, 110th, 108th

Frequently asked questions

What ZIP codes are in Westminster, CO?

Westminster, Colorado has 2 ZIP codes, ranging from 80030 to 80031. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Westminster, CO in?

Westminster is in Adams county.

What are the latitude and longitude of Westminster, CO?

The approximate center of Westminster, Colorado is latitude 39.853, longitude -105.039. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Westminster, CO have?

Westminster has 2 ZIP codes.

How many addresses are in Westminster, CO?

Westminster, Colorado has about 233,239 known street addresses in the sthan.io US address database.

What are the most common streets in Westminster, CO?

Some of the most common street names in Westminster are 88th, 116th, 112th, King, 92nd, Osceola.

What cities are near Westminster, CO?

Cities near Westminster include Arvada (5 mi), Broomfield (6 mi), Wheat Ridge (6 mi), Dupont (6 mi), Thornton (7 mi).

Cities near Westminster

Arvada, CO (5 mi) Broomfield, CO (6 mi) Wheat Ridge, CO (6 mi) Dupont, CO (6 mi) Thornton, CO (7 mi) Denver, CO (8 mi) Louisville, CO (9 mi) Henderson, CO (9 mi)

All Colorado cities →

Need this for any US address, in code?

Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.

View the API →

Last updated: June 2026 · Data: sthan.io US address database