Phillips County, CO ZIP Codes

4 ZIP codes cover all or part of Phillips County, Colorado: 80734, 80731, 80721 and 80746. The Census Bureau counts 4,496 residents in the county, with a median household income of $64,674 and a median home value of $258,200. Median household income ranges from $57,891 in 80734 to $74,375 in 80731. Its largest communities include Holyoke, Haxtun, Amherst and Paoli.

Phillips County (Census county figures)

MeasureCensus figure
Residents4,496
Households1,952
Median household income$64,674
Median home value$258,200
Median age40.9
Median rent$999

All 4 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)4,779
Households (sum of ZIP codes)2,050
Median household income, range across ZIP codes$57,891 (80734) to $74,375 (80731)
Household-weighted average of ZIP medians (an approximation, not a true median)$63,551
Homeowners72.1%
Households with kids under 1830.0%
Moved in the past year9.1%
Carrier routes in EDDM2GO's route library11 routes, 1,925 homes (4 of 4 ZIP codes)

Top facts

Every ZIP code in Phillips County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
80734Holyoke2,9991,287$57,891$277,10067.4%30.4%9.9%71,34577% of its land
80731Haxtun1,486673$74,375$235,30080.5%28.8%7.0%263360% of its land
80721Amherst25770$104,167$326,10074.3%41.4%9.3%165100% of its land
80746Paoli3720$99,444$211,10080.0%0.0%27.0%130100% of its land

A ZIP code is listed for Phillips County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Price a mailing to Phillips County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Phillips County, CO?
80734, 80731, 80721 and 80746. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Phillips County?
4,496 residents in 1,952 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Phillips County?
$64,674 for the county as a whole. Its ZIP codes range from $57,891 (80734) to $74,375 (80731).
Which Phillips County ZIP code has the highest median household income?
80731, at $74,375, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Phillips County?
For the 4 of 4 ZIP codes in EDDM2GO's stored route library: 11 carrier routes reaching 1,925 residential and 143 business mailboxes.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.