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ZIP code 80721: Amherst, CO

80721 is a ZIP code in Amherst, Colorado, mainly in Phillips County. About 257 people live here.

Population
257
Median household income
$104,167
Typical home value
$326,100ACS median value
Median rent
—gross, per month
Median age
22.1
Homeowners
74.3%of occupied homes
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Shaded: ZIP code 80721's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 80721 details

CityAmherst
StateColorado
CountyPhillips County
Metro areaNot in a metro or micro area
Time zoneMountain Time (UTC−7), observes daylight saving time
TypeStandard (delivery area)
Land area88.5 sq mi
Population density3 people per sq mi
Bachelor's degree or higher11.2% of adults 25+
Center coordinates40.68816, -102.15298

ZIP codes near 80721

ZIP codeCityDistancePopulation
69168Venango, NE9.9 mi288
80734Holyoke, CO13.7 mi2,999
80737Julesburg, CO14.5 mi1,420
80746Paoli, CO16.9 mi37
80744Ovid, CO17.9 mi615
69023Champion, NE19.5 mi315
69140Grant, NE22.5 mi1,762
80749Sedgwick, CO24.0 mi264

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 80721?

A typical home in ZIP code 80721 is worth about $326,100 (ACS median value). The median household here earns $104,167 a year. See what buying here would cost per month, with Colorado average taxes and insurance filled in.

Monthly payment for a $326,100 homeWhat can a $104,167 income afford?Rental property numbers

About ZIP code 80721

What city is ZIP code 80721?

ZIP code 80721 is in Amherst, CO, in Phillips County.

What county is ZIP code 80721 in?

80721 is mainly in Phillips County, Colorado.

What is the population of ZIP code 80721?

About 257 people live in ZIP code 80721, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 80721 in?

80721 is in Mountain Time (UTC−7). It observes daylight saving time.