Buffalo ZIP Code List — Fergus County, MT

There is one unique ZIP code in Buffalo, Montana and it is 59418. Area code: 406.

ZIP codes

128.17

sq mi land

0.01

sq mi water

406

area code

Buffalo, MT ZIP code map

About Buffalo, MT

Buffalo, MT, is a small and charming city located in Fergus County, Montana. It offers a picturesque small-town atmosphere and is known for its stunning landscapes and outdoor activities. With a unique blend of rural charm and local culture, Buffalo is a hidden gem in the Treasure State.

Location & geography

Buffalo is situated in the central part of Montana, surrounded by beautiful mountains and vast grasslands. Nearby cities include Lewistown, approximately 27 miles to the west, Winnett, around 36 miles to the northeast, and Grass Range, about 22 miles to the east. The city's land area covers 128.17 square miles, with a tiny water area of 0.01 square miles.

Community & economy

The community of Buffalo is characterized by its friendly residents and a strong sense of neighborliness. The local economy is supported by agriculture and small-scale industries, contributing to the town's welcoming and close-knit atmosphere. Daily life in Buffalo often revolves around community events, outdoor activities, and local gatherings that strengthen social ties.

Transportation

Buffalo is accessible via Montana Highway 87, which connects it to larger regional highways. The nearest airport is the Lewistown Municipal Airport located about 27 miles to the west, providing limited air service. Public transportation options may be limited, but the community is well-connected by road, making travel convenient for residents.

History

Buffalo, MT, was established in the late 19th century, with agriculture being a cornerstone of its economy from the start. The city has seen various developments over the years, particularly in ranching and farming industries that remain significant today. Notable events include the growth of the local community through the establishment of schools and services tailored to support its rural population.

Did you know?

One surprising fact about Buffalo is that it is part of Fergus County, which has a rich cowboy and ranching history. Despite its small size, Buffalo is often overlooked yet serves as a perfect base for outdoor enthusiasts exploring the surrounding Montana wilderness.

ZIP codes for Buffalo, MT (1)

ZIP code	City	County	Map
59418	Buffalo	Fergus	View map

Demographics & statistics

Population

27.9

Median age

Median household income

$50,517

Per capita income

Median home value

$914

Median monthly rent

17.9%

Home ownership

26.6%

Poverty rate

0.0%

Unemployment

Housing units

47.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	41	43.6%
18 and over	53	56.4%
65 and over	1	1.1%
Median age	27.9 years

Race & ethnicity

White 100%

Group	Count	%
White	94	100%

Household income

$15k–$25k 10.7%

$25k–$35k 50.0%

$50k–$75k 14.3%

$100k–$150k 7.1%

$150k–$200k 3.6%

$200k+ 14.3%

Range	% of households
$15k–$25k	10.7%
$25k–$35k	50.0%
$50k–$75k	14.3%
$100k–$150k	7.1%
$150k–$200k	3.6%
$200k+	14.3%
Median income	$0

Housing

Home values

$200k–$300k 60.0%

$500k–$1M 40.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$914
Owner occupied	17.9%
Renter occupied	82.1%
Vacant	41.7%
Single-family detached	85.4%
Large apartment buildings	0.0%
Mobile homes	14.6%
Median rooms	5.4
Avg household size (owned)	1.60

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	8.3%
1990–1999	0.0%
1980–1989	10.4%
1970–1979	35.4%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	8.3%
1939 or earlier	37.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.2%
2 bedrooms	12.5%
3 bedrooms	39.6%
4 bedrooms	39.6%
5+ bedrooms	4.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	39.3%
3 or more	60.7%

Heating fuel

Fuel type	%
Propane / LP gas	60.7%
Wood	25.0%

Households & families

Household type	Count	%
Married-couple family	25	89.3%
Cohabiting couple	0	0.0%
Male householder, no spouse	2	7.1%
Female householder, no spouse	1	3.6%
Households with children under 18	19	67.9%
Households with seniors (65+)	1	3.6%
Average household size	3.36

Marital status

Status	Male	Female
Never married	13.8%	0.0%
Married	86.2%	100.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 20.8%

Some college, no degree 26.4%

Associate's degree 5.7%

Bachelor's degree 39.6%

Graduate / professional 7.5%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	47.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	11	61.1%
Kindergarten	0	0.0%
Elementary school	5	27.8%
High school	2	11.1%
College / grad school	0	0.0%

Employment

Industry of employment

Agriculture & mining 30.3%

Education & healthcare 24.2%

Public administration 21.2%

Finance & real estate 15.2%

Retail trade 6.1%

Arts, food & hospitality 3.0%

Occupation

Category	%
Management, business & arts	30.3%
Service	21.2%
Sales & office	33.3%
Natural resources & construction	15.2%
Production & transportation	0.0%

Employment type

Type	%
Private sector	42.4%
Government	42.4%
Self-employed	15.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	43.8%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	18.2

Poverty

All people 26.6%

Under 18 years 34.1%

18 and over 20.8%

Married-couple families 20.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	7.1%
Retirement income	7.1%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	25.0%

Health indicators

Condition	%
High blood pressure	32.9%
High cholesterol	33.8%
Heart disease	7.8%
Stroke	3.5%
Asthma	9.6%
Arthritis	29.0%
Kidney disease	3.3%
Pulmonary disease	7.4%
Cancer	8.2%

Behavior / access	%
Binge drinking	19.9%
No physical activity	20.3%
Less than 7 hrs sleep	28.6%
Fair or poor health	13.1%
Poor mental health	12.1%
Poor physical health	11.1%
No health insurance	10.4%
Visited doctor (checkup)	72.0%
Visited dentist	64.7%
Cholesterol screening	90.4%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	5	9.4%

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

Health insurance coverage

Type	%
Private insurance	41.5%
Public insurance	54.3%
Uninsured under 19	7.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	64	68.1%
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)	90	95.7%
Born in same state	90	95.7%
Born in different state	66	70.2%
Foreign born	0	0.0%
Naturalized citizen	4	4.3%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	26	27.7%
Polish	9	9.6%

Ancestry	Count	%
Italian	2	2.1%

Technology access

Metric	% of households
Computer access	29.8%
Internet access	92.9%

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

Frequently asked questions

What is the ZIP code for Buffalo, MT?

Buffalo, MT has one ZIP code: 59418.

What is the main ZIP code for Buffalo, MT?

The primary ZIP code for Buffalo, MT is 59418. The city uses area code 406 for phone service.

What county is Buffalo, MT in?

Buffalo is located in Fergus County, Montana.

How many ZIP codes are in Buffalo, MT?

Buffalo, MT has 1 ZIP code.

What ZIP code should I use for mailing packages to businesses in downtown Buffalo, Montana?

Downtown Buffalo is located in ZIP code 59418, which serves the central business district and main commercial area of this Fergus County community.

If I'm sending mail to the Buffalo area near the Lewistown-Buffalo corridor in Fergus County, what ZIP code do I need?

The Buffalo area, including properties along the main routes in Fergus County, uses ZIP code 59418 for all mail delivery.