Amherst ZIP Codes — Phillips County, CO

There is one unique ZIP code in Amherst, Colorado and it is 80721. Area code: 970.

ZIP codes

88.48

sq mi land

0.00

sq mi water

970

area code

Amherst, CO ZIP code map

About Amherst, CO

Amherst, Colorado, is a quaint town located in the eastern part of the state, within Phillips County. Despite its small size, this community offers a close-knit atmosphere and a typical rural experience. The town is characterized by its flat, expansive plains and agricultural surroundings, making it a unique spot for exploration in Colorado.

Location & geography

Amherst is situated in Phillips County and covers a land area of 88.48 square miles, with no water area. It is surrounded by vast fields and agricultural land, contributing to its picturesque landscape. Neighboring cities include Holyoke, approximately 20 miles to the southeast, Sterling about 31 miles to the southwest, and Julesburg roughly 23 miles to the northeast.

Community & economy

The community of Amherst embodies a rural charm, where agriculture plays a significant role in daily life and the local economy. Residents engage in farming and related industries, contributing to the town's agricultural heritage. Daily life here is peaceful and slow-paced, fostering strong connections among community members.

Transportation

Amherst is accessible via state highways that connect to larger road networks in Phillips County. The nearest major airport is in Sterling, which provides regional access to air travel. Public transportation options in this rural area may be limited, emphasizing the necessity of personal vehicles for commuting.

History

The founding details of Amherst are sparse, but it has served as a vital agricultural hub in Phillips County since its establishment. Historically, the town has supported farming activities, which have been central to its development and growth. Over the years, Amherst has remained a testament to Colorado's agricultural roots.

Did you know?

A little-known fact about Amherst is that it has only one ZIP code, 80721, which simplifies postal services in the area. Additionally, the town's landscape is entirely devoid of water bodies, showcasing extensive flatlands instead.

ZIP codes for Amherst, CO (1)

ZIP code	City	County	Map
80721	Amherst	Phillips	View map

Demographics & statistics

304

Population

22.5

Median age

$95,329

Median household income

$31,202

Per capita income

$318,800

Median home value

Median monthly rent

67.1%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

Housing units

10.9%

Bachelor's or higher

Age distribution

Male Female

5–9

10–14

20–24

25–34

45–54

55–59

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	131	43.1%
18 and over	173	56.9%
65 and over	16	5.3%
Median age	22.5 years

Race & ethnicity

Hispanic or Latino 35.9%

White 28.3%

Two or more races 19.6%

Other race 16.2%

Group	Count	%
Hispanic or Latino	170	35.9%
White	134	28.3%
Two or more races	93	19.6%
Other race	77	16.2%

Household income

$25k–$35k 11.4%

$50k–$75k 22.8%

$75k–$100k 36.7%

$100k–$150k 24.1%

$200k+ 5.1%

Range	% of households
$25k–$35k	11.4%
$50k–$75k	22.8%
$75k–$100k	36.7%
$100k–$150k	24.1%
$200k+	5.1%
Median income	$95,329

Housing

Home values

$150k–$200k 7.5%

$200k–$300k 34.0%

$300k–$500k 45.3%

$500k–$1M 13.2%

Housing overview

Metric	Value
Median home value	$318,800
Median rent / month	$0
Owner occupied	67.1%
Renter occupied	32.9%
Vacant	0.0%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.3
Avg household size (owned)	4.15

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	8.9%
1990–1999	27.8%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	8.9%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	54.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	24.1%
3 bedrooms	51.9%
4 bedrooms	15.2%
5+ bedrooms	8.9%

Vehicles per household

Vehicles	% of households
No vehicle	24.1%
1 vehicle	8.9%
2 vehicles	31.6%
3 or more	35.4%

Heating fuel

Fuel type	%
Electricity	26.6%
Propane / LP gas	73.4%

Households & families

Household type	Count	%
Married-couple family	45	57.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	25	31.6%
Female householder, no spouse	9	11.4%
Households with children under 18	19	24.1%
Households with seniors (65+)	11	13.9%
Average household size	3.85

Marital status

Status	Male	Female
Never married	0.0%	50.0%
Married	68.4%	42.6%
Separated	0.0%	0.0%
Widowed	0.0%	7.4%
Divorced	31.6%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 25.0%

HS graduate 23.4%

Some college, no degree 32.8%

Associate's degree 7.8%

Bachelor's degree 10.9%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	75.0%
Bachelor's or higher	10.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	17	9.3%
Elementary school	114	62.6%
High school	32	17.6%
College / grad school	19	10.4%

Employment

Industry of employment

Agriculture & mining 38.5%

Wholesale trade 28.8%

Education & healthcare 12.2%

Arts, food & hospitality 12.2%

Manufacturing 8.3%

Occupation

Category	%
Management, business & arts	30.8%
Service	19.9%
Sales & office	0.0%
Natural resources & construction	41.0%
Production & transportation	8.3%

Employment type

Type	%
Private sector	85.3%
Government	7.7%
Self-employed	7.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	24.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	13.9%
Retirement income	5.1%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	29.4%
High cholesterol	30.9%
Heart disease	6.6%
Stroke	3.2%
Asthma	10.4%
Arthritis	24.5%
Kidney disease	3.0%
Pulmonary disease	7.6%
Cancer	6.9%

Behavior / access	%
Binge drinking	17.7%
No physical activity	21.1%
Less than 7 hrs sleep	28.2%
Fair or poor health	14.0%
Poor mental health	15.0%
Poor physical health	10.9%
No health insurance	16.3%
Visited doctor (checkup)	66.6%
Visited dentist	59.6%
Cholesterol screening	87.9%
Teeth loss	15.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	6.6%
Under 18	0.0%
18–64 years	8.3%
65 and over	43.8%

Health insurance coverage

Type	%
Private insurance	69.4%
Public insurance	35.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	304	100.0%
Spanish	57	18.8%
Other Indo-European	57	18.8%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	272	89.5%
Born in same state	272	89.5%
Born in different state	198	65.1%
Foreign born	0	0.0%
Naturalized citizen	32	10.5%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	9	3%

Ancestry	Count	%
Italian	7	2.3%

Technology access

Metric	% of households
Computer access	26.0%
Internet access	100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Amherst, CO have?

Amherst, CO has one ZIP code: 80721. Each ZIP code serves a distinct delivery area within the city and surrounding region.