Buffalo ZIP Codes — Cass County, ND

There is one unique ZIP code in Buffalo, North Dakota and it is 58011. Area code: 701.

ZIP codes

110.80

sq mi land

0.05

sq mi water

701

area code

Buffalo, ND ZIP code map

About Buffalo, ND

Buffalo, North Dakota, is a small, picturesque city located in Cass County. Surrounded by the vast plains of North Dakota, it offers a tranquil setting for residents and visitors alike. Known for its close-knit community, Buffalo provides a blend of rural charm with access to modern amenities.

Location & geography

Buffalo is positioned in the eastern part of North Dakota, approximately 25 miles southwest of Fargo. The city's land area measures 110.80 square miles, with a slight water area of 0.05 square miles, contributing to its rural landscape. The surrounding terrain features expansive fields and farmland, typical of the region’s agriculture-centric development.

Community & economy

The community in Buffalo is characterized by its friendly and welcoming atmosphere. Local industries primarily revolve around agriculture, which plays a central role in daily life and the economy. Residents enjoy a peaceful lifestyle with recreational opportunities in nearby natural settings, fostering a strong sense of community pride.

Transportation

Buffalo is accessible via State Highway 38, which connects it conveniently to larger cities in the region. The nearest major airport is Hector International Airport in Fargo, providing domestic flights and additional transit options. Public transportation is limited, so personal vehicles are the primary means of getting around.

History

Buffalo was founded in the late 19th century, primarily as a result of the agricultural boom in North Dakota. Key industries in the area have historically included farming and livestock raising. Notable events in its development include the establishment of vital infrastructure to support local agriculture and community growth.

Did you know?

One surprising fact about Buffalo, ND, is its unique combination of agricultural heritage and modern facilities. Despite its size, Buffalo supports a vibrant local economy and offers a range of community events that bring residents together throughout the year.

ZIP codes for Buffalo, ND (1)

ZIP code	City	County	Map
58011	Buffalo	Cass	View map

Demographics & statistics

441

Population

48.3

Median age

$91,250

Median household income

$42,161

Per capita income

$225,000

Median home value

Median monthly rent

90.7%

Home ownership

5.7%

Poverty rate

0.9%

Unemployment

187

Housing units

34.9%

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

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	101	22.9%
18 and over	340	77.1%
65 and over	97	22.0%
Median age	48.3 years

Race & ethnicity

White 98%

Black or African American 0.9%

Two or more races 0.9%

American Indian / Alaska Native 0.2%

Group	Count	%
White	432	98%
Black or African American	4	0.9%
Two or more races	4	0.9%
American Indian / Alaska Native	1	0.2%

Household income

Under $10k 7.1%

$10k–$15k 1.1%

$15k–$25k 3.8%

$25k–$35k 0.5%

$35k–$50k 8.8%

$50k–$75k 19.2%

$75k–$100k 23.6%

$100k–$150k 18.7%

$150k–$200k 11.0%

$200k+ 6.0%

Range	% of households
Under $10k	7.1%
$10k–$15k	1.1%
$15k–$25k	3.8%
$25k–$35k	0.5%
$35k–$50k	8.8%
$50k–$75k	19.2%
$75k–$100k	23.6%
$100k–$150k	18.7%
$150k–$200k	11.0%
$200k+	6.0%
Median income	$91,250

Housing

Home values

Under $50k 6.1%

$50k–$100k 9.7%

$100k–$150k 12.1%

$150k–$200k 14.5%

$200k–$300k 22.4%

$300k–$500k 17.0%

$500k–$1M 18.2%

Housing overview

Metric	Value
Median home value	$225,000
Median rent / month	$0
Owner occupied	90.7%
Renter occupied	9.3%
Vacant	10.8%
Single-family detached	94.6%
Large apartment buildings	0.0%
Mobile homes	1.5%
Median rooms	7.3
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	10.3%
2000–2009	10.8%
1990–1999	8.3%
1980–1989	13.2%
1970–1979	16.2%
1960–1969	4.4%
1950–1959	3.9%
1940–1949	1.0%
1939 or earlier	31.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	2.9%
2 bedrooms	22.1%
3 bedrooms	36.8%
4 bedrooms	8.8%
5+ bedrooms	28.9%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	13.2%
2 vehicles	29.7%
3 or more	55.5%

Heating fuel

Fuel type	%
Utility gas	26.4%
Electricity	29.1%
Propane / LP gas	39.0%
Fuel oil	5.5%

Households & families

Household type	Count	%
Married-couple family	113	62.1%
Cohabiting couple	3	1.6%
Male householder, no spouse	45	24.7%
Female householder, no spouse	21	11.5%
Households with children under 18	48	26.4%
Households with seniors (65+)	68	37.4%
Average household size	2.42

Marital status

Status	Male	Female
Never married	11.2%	25.8%
Married	68.9%	62.4%
Separated	0.5%	1.7%
Widowed	8.2%	5.1%
Divorced	11.2%	5.1%

Education

Less than 9th grade 0.0%

Some HS, no diploma 2.1%

HS graduate 16.6%

Some college, no degree 28.9%

Associate's degree 17.5%

Bachelor's degree 32.8%

Graduate / professional 2.1%

Metric	%
HS diploma or higher	97.9%
Bachelor's or higher	34.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	5	4.2%
Kindergarten	1	0.8%
Elementary school	56	47.1%
High school	34	28.6%
College / grad school	23	19.3%

Employment

Industry of employment

Agriculture & mining 42.9%

Education & healthcare 14.2%

Transportation & utilities 9.9%

Finance & real estate 9.4%

Retail trade 6.4%

Construction 4.3%

Arts, food & hospitality 3.0%

Other services 3.0%

Manufacturing 2.6%

Wholesale trade 1.7%

Public administration 1.3%

Information 0.9%

Professional & management 0.4%

Occupation

Category	%
Management, business & arts	46.8%
Service	14.6%
Sales & office	19.3%
Natural resources & construction	12.0%
Production & transportation	7.3%

Employment type

Type	%
Private sector	50.6%
Government	10.3%
Self-employed	31.8%
Unpaid family workers	7.3%

Commute

Method	%
Drive alone	87.9%
Carpool	1.7%
Public transit	0.0%
Walk	8.2%
Other means	0.0%
Avg commute (minutes)	16.1

Poverty

All people 5.7%

Under 18 years 2.0%

18 and over 6.8%

Married-couple families 1.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.3%
Retirement income	24.7%
Supplemental Security	4.4%
Cash public assistance	2.7%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
High blood pressure	34.9%
High cholesterol	34.1%
Heart disease	7.2%
Stroke	3.1%
Asthma	8.8%
Arthritis	27.0%
Kidney disease	3.1%
Pulmonary disease	6.3%
Cancer	8.7%

Behavior / access	%
Binge drinking	18.9%
No physical activity	24.0%
Less than 7 hrs sleep	29.4%
Fair or poor health	11.9%
Poor mental health	10.7%
Poor physical health	8.6%
No health insurance	8.5%
Visited doctor (checkup)	73.1%
Visited dentist	71.4%
Cholesterol screening	91.6%
Teeth loss	10.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	31	9.1%

Disability	%
Any disability	11.3%
Under 18	0.0%
18–64 years	7.8%
65 and over	32.0%

Health insurance coverage

Type	%
Private insurance	86.8%
Public insurance	25.6%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	432	98.0%
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)	441	100.0%
Born in same state	440	99.8%
Born in different state	339	76.9%
Foreign born	1	0.2%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	176	39.9%
Italian	33	7.5%
French	19	4.3%

Ancestry	Count	%
English	7	1.6%
Dutch	4	0.9%
Arab	2	0.5%

Technology access

Metric	% of households
Computer access	41.3%
Internet access	95.6%

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

Frequently asked questions

What ZIP codes does Buffalo, ND have?

Buffalo, ND has one ZIP code: 58011. Each ZIP code serves a distinct delivery area within the city and surrounding region.