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

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zipcodes.pro — STATE/CO/COUNTY/PHILLIPS

Phillips County, CO ZIP codes

Phillips County, CO has 4 ZIP codes, in 4 towns: 80734, 80731, 80721 and 80746.

The county seat is Holyoke.

ZIP codes
4
Towns
4
County seat
Holyoke
County FIPS
08095
Population
4,496
Median household income
$64,674
Land area
688 sq mi

Phillips County ZIP codes by town

Holyoke (county seat)
80734

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Phillips County ZIP codes

80721807318073480746

The ZIP codes of Phillips County, 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.

Phillips County in numbers

About 4,496 people live in Phillips County, in 1,952 households, the 54th most populous of Colorado's 64 counties. The median household income is $64,674 a year, 32% below the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $258,200 (52% below the Colorado median), and median gross rent is $999 a month. The median age is 40.9; 31.5% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 20 minutes.

Population4,496Phillips4,496
Households1,952Phillips1,952
Median age40.9Phillips40.9Colorado37.7US 38.9
Median household income$64,674Phillips$64,674Colorado$95,470US $80,734
Median home value$258,200Phillips$258,200Colorado$539,400US $332,700
Median gross rent$999Phillips$999Colorado$1,761US $1,413
Bachelor's degree or higher31.5%Phillips31.5%Colorado45.7%US 35.7%
Mean commute20.2 minPhillips20.2 minColorado25.2 minUS 26.4 min
Population density7 / sq miPhillips7 / sq mi

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

Largest towns in Phillips County

Largest towns in Phillips County
TownZIP codesPopulation
Holyoke 1 2,382
Haxtun 1 978
Amherst 1 82
Paoli 1 43

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Phillips County.

Not sure you are in Phillips County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Phillips County, with figures

ZIP codes in Phillips County
ZIP City Type Population Median income Median home
80721 Amherst , CO Standard 257 $104,167 $326,100
80731 Haxtun , CO Standard 1,486 $74,375 $235,300
80734 Holyoke , CO Standard 2,999 $57,891 $277,100
80746 Paoli , CO Standard 37 $99,444 $211,100

Cite this page

zipcodes.pro. “Phillips County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/co/county/phillips

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