Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CO/BAILEY

Bailey ZIP code, Colorado

The ZIP code for Bailey, CO is 80421.

USPS city name
1 ZIP code
Population
8,536

Bailey in numbers

About 8,536 people live in Bailey, in 4,056 households. The median household income is $98,452 a year, 3% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $578,700 (7% above the Colorado median).

Population8,536Bailey8,536
Households4,056Bailey4,056
Median household income$98,452Bailey$98,452Colorado$95,470US $80,734
Median home value$578,700Bailey$578,700Colorado$539,400US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Bailey. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Bailey

ZIP codes with the USPS city name Bailey
ZIP City Type Population Median income Median home
80421 Bailey , CO Standard 8,536 $98,452 $578,700

Map of Bailey ZIP codes

80421

The ZIP codes of Bailey, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Bailey

The nearest larger towns are Evergreen (8,602 people, 15 mi), Ken Caryl (33,233 people, 22 mi) and Dakota Ridge (33,753 people, 22 mi).

Towns near Bailey
TownPopulationDistance
Evergreen 8,602 14.9 mi
Genesee 3,778 19.9 mi
Ken Caryl 33,233 22.1 mi
Dakota Ridge 33,753 22.4 mi
Roxborough Park 9,085 22.8 mi
Sterling Ranch 4,213 24.3 mi
Columbine 25,478 24.7 mi
Golden 20,417 24.9 mi
West Pleasant View 5,051 25.4 mi
Lakewood 156,583 26.2 mi
Applewood 8,350 26.4 mi
Littleton 44,710 27.2 mi
Highlands Ranch 102,257 28.8 mi
Sheridan 6,005 28.8 mi

More nearby: every ZIP code in Park County · Colorado ZIP codes

Cite this page

zipcodes.pro. “Bailey, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/bailey

Underlying data is public domain or openly licensed — sources, vintages and licences.