Mount Vernon ZIP Codes — Grant County, OR

There is one unique ZIP code in Mount Vernon, Oregon and it is 97865. Area code: 541.

ZIP codes

357.79

sq mi land

0.01

sq mi water

541

area code

Mount Vernon, OR ZIP code map

About Mount Vernon, OR

Mount Vernon is a small, charming city located in Grant County, Oregon. It is known for its beautiful natural landscapes and a close-knit community that reflects the spirit of rural Oregon. The city serves as a tranquil retreat and a base for exploring the surrounding wilderness.

Location & geography

Mount Vernon spans a land area of 357.79 square miles and features a minuscule water area of 0.01 square miles. It is situated in eastern Oregon, close to neighboring cities such as John Day, which is about 26 miles away, and Prairie City, located roughly 15 miles to the south. The terrain is characterized by its rugged hills and scenic vistas typical of the region.

Community & economy

The character of Mount Vernon is defined by its friendly atmosphere and welcoming residents, making it a quintessential small-town in Oregon. Agriculture plays a significant role in the local economy, with ranching and farming being prevalent industries in the area. Daily life revolves around community events, outdoor activities, and a strong emphasis on family values.

Transportation

Mount Vernon is accessible via U.S. Highway 26, which provides a vital route for both residents and visitors. The nearest major airport is the John Day Airport, located approximately 25 miles away, offering regional air travel. Public transit options are limited, so personal vehicles are the primary means of transportation.

History

Founded as a hub for local agriculture, Mount Vernon has a history closely tied to the development of farming in Grant County. Throughout the 20th century, the city saw growth driven by the agricultural sector, and it has celebrated numerous community events that foster local heritage. Mount Vernon continues to honor its past while adapting to modern growth challenges.

Did you know?

One surprising fact about Mount Vernon is that it is home to the annual Grant County Fair, which draws visitors from across the region to celebrate local agriculture and community spirit. Additionally, despite its small size, the city provides a gateway to stunning outdoor activities such as hiking and fishing in the nearby John Day River Basin.

ZIP codes for Mount Vernon, OR (1)

ZIP code	City	County	Map
97865	Mount Vernon	Grant	View map

Demographics & statistics

1,133

Population

50.7

Median age

$62,000

Median household income

$41,946

Per capita income

$178,000

Median home value

$646

Median monthly rent

84.3%

Home ownership

6.8%

Poverty rate

11.9%

Unemployment

527

Housing units

25.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

142

65–74

123

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	170	15.0%
18 and over	963	85.0%
65 and over	417	36.8%
Median age	50.7 years

Race & ethnicity

White 91.7%

Hispanic or Latino 3.2%

Other race 2.6%

Two or more races 2%

American Indian / Alaska Native 0.4%

Group	Count	%
White	1,074	91.7%
Hispanic or Latino	38	3.2%
Other race	31	2.6%
Two or more races	23	2%
American Indian / Alaska Native	5	0.4%

Household income

Under $10k 4.2%

$10k–$15k 0.8%

$15k–$25k 7.6%

$25k–$35k 4.4%

$35k–$50k 12.9%

$50k–$75k 34.1%

$75k–$100k 18.0%

$100k–$150k 12.7%

$150k–$200k 2.1%

$200k+ 3.4%

Range	% of households
Under $10k	4.2%
$10k–$15k	0.8%
$15k–$25k	7.6%
$25k–$35k	4.4%
$35k–$50k	12.9%
$50k–$75k	34.1%
$75k–$100k	18.0%
$100k–$150k	12.7%
$150k–$200k	2.1%
$200k+	3.4%
Median income	$62,000

Housing

Home values

Under $50k 7.4%

$50k–$100k 10.8%

$100k–$150k 30.6%

$150k–$200k 8.5%

$200k–$300k 6.5%

$300k–$500k 6.5%

$500k–$1M 29.2%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$178,000
Median rent / month	$646
Owner occupied	84.3%
Renter occupied	15.7%
Vacant	13.4%
Single-family detached	64.9%
Large apartment buildings	0.0%
Mobile homes	34.6%
Median rooms	5.4
Avg household size (owned)	2.26

Year built

Era	%
2020 or later	0.0%
2010–2019	1.6%
2000–2009	6.4%
1990–1999	16.6%
1980–1989	17.9%
1970–1979	18.2%
1960–1969	11.8%
1950–1959	13.1%
1940–1949	9.8%
1939 or earlier	4.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	2.8%
2 bedrooms	41.1%
3 bedrooms	38.5%
4 bedrooms	15.6%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	18.4%
2 vehicles	38.8%
3 or more	42.8%

Heating fuel

Fuel type	%
Electricity	19.9%
Propane / LP gas	2.3%
Fuel oil	24.1%
Wood	53.8%

Households & families

Household type	Count	%
Married-couple family	277	52.5%
Cohabiting couple	67	12.7%
Male householder, no spouse	116	22.0%
Female householder, no spouse	68	12.9%
Households with children under 18	57	10.8%
Households with seniors (65+)	298	56.4%
Average household size	2.15

Marital status

Status	Male	Female
Never married	23.2%	31.4%
Married	56.2%	56.1%
Separated	0.0%	0.0%
Widowed	8.9%	4.2%
Divorced	11.8%	8.3%

Education

Less than 9th grade 0.0%

Some HS, no diploma 9.1%

HS graduate 32.3%

Some college, no degree 23.8%

Associate's degree 9.3%

Bachelor's degree 18.4%

Graduate / professional 6.9%

Metric	%
HS diploma or higher	90.9%
Bachelor's or higher	25.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	53	25.9%
Kindergarten	9	4.4%
Elementary school	81	39.5%
High school	50	24.4%
College / grad school	12	5.9%

Employment

Industry of employment

Education & healthcare 21.6%

Arts, food & hospitality 15.9%

Finance & real estate 11.7%

Construction 11.0%

Manufacturing 10.1%

Agriculture & mining 8.5%

Public administration 6.7%

Retail trade 6.4%

Other services 4.4%

Professional & management 2.1%

Information 1.6%

Occupation

Category	%
Management, business & arts	19.1%
Service	32.0%
Sales & office	13.6%
Natural resources & construction	27.1%
Production & transportation	8.3%

Employment type

Type	%
Private sector	78.6%
Government	15.4%
Self-employed	4.4%
Unpaid family workers	1.6%

Commute

Method	%
Drive alone	87.8%
Carpool	11.7%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	29.1

Poverty

All people 6.8%

Under 18 years 0.0%

18 and over 7.7%

Married-couple families 2.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	57.4%
Retirement income	47.0%
Supplemental Security	0.2%
Cash public assistance	1.5%
Food stamps / SNAP	8.5%

Health indicators

Condition	%
High blood pressure	40.5%
High cholesterol	39.3%
Heart disease	9.9%
Stroke	4.7%
Asthma	11.1%
Arthritis	34.0%
Kidney disease	4.1%
Pulmonary disease	10.5%
Cancer	9.3%

Behavior / access	%
Binge drinking	13.9%
No physical activity	23.1%
Less than 7 hrs sleep	30.5%
Fair or poor health	19.0%
Poor mental health	14.3%
Poor physical health	13.9%
No health insurance	11.0%
Visited doctor (checkup)	75.9%
Visited dentist	61.3%
Cholesterol screening	92.3%
Teeth loss	16.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	127	13.2%

Disability	%
Any disability	25.7%
Under 18	5.3%
18–64 years	5.9%
65 and over	60.0%

Health insurance coverage

Type	%
Private insurance	73.6%
Public insurance	47.7%
Uninsured under 19	8.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,089	96.1%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,133	100.0%
Born in same state	1,133	100.0%
Born in different state	813	71.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	169	14.9%
Polish	134	11.8%
Arab	127	11.2%

Ancestry	Count	%
English	57	5%
Italian	38	3.4%
German	36	3.2%

Technology access

Metric	% of households
Computer access	46.6%
Internet access	97.3%

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

Frequently asked questions

What ZIP codes does Mount Vernon, OR have?

Mount Vernon, OR has one ZIP code: 97865. Each ZIP code serves a distinct delivery area within the city and surrounding region.