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Montana ZIP Codes
Fergus County
Buffalo, MT
59418
59418 ZIP Code — Buffalo, MT
Fergus County, Montana
ZIP code 59418 is located in
Buffalo ,
Montana ,
within Fergus County .
It covers approximately 128.17 square miles and serves a population of
94 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 406 .
59418 ZIP code map
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Cities in ZIP code 59418
Below are the cities the US Postal Service accepts for ZIP code 59418. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
94
Population density
1 / sq mi
State FIPS
30
County FIPS
027
Geography
Land area
128.17 sq mi
Water area
0.01 sq mi
Latitude
46.7950
Longitude
-109.7168
Timezone
Mountain (MT)
Area code
406
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
65.4%
51.0%
44.2%
$50k – $100k
19.2%
31.1%
32.0%
$100k – $200k
15.4%
14.4%
19.2%
Over $200k
0.0%
3.5%
4.7%
Demographics & statistics
$0
Median household income
47.2%
Bachelor's or higher
Age distribution
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
Household income
Income range
This ZIP
County avg
State avg
Under $50k
65.4%
51.0%
44.2%
$50k – $100k
19.2%
31.1%
32.0%
$100k – $200k
15.4%
14.4%
19.2%
Over $200k
0.0%
3.5%
4.7%
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
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
Some college, no degree
26.4%
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%
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%
Work from home 56.3%
Other means 0.0%
Avg commute (minutes) 18.2
Poverty
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 %
Obesity 29.7%
High blood pressure 32.9%
High cholesterol 33.8%
Diabetes 10.4%
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 %
Smoking 16.5%
Binge drinking 19.9%
No physical activity 20.3%
Less than 7 hrs sleep 28.6%
Depression 21.1%
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%
No insurance 4.3%
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 about ZIP code 59418
What city is ZIP code 59418 in?
ZIP code 59418 is primarily assigned to Buffalo, Montana.
What county is ZIP code 59418 in?
ZIP code 59418 falls within Judith Basin County, Montana.
Is ZIP code 59418 mostly rentals?
82% of occupied units in ZIP code 59418 are renter-occupied.
Is ZIP code 59418 family-oriented?
44% of residents in ZIP code 59418 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 59418?
27% of residents in ZIP code 59418 live below the poverty line, above the national average.
How educated is the population of ZIP code 59418?
47% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What timezone is ZIP code 59418 in?
ZIP code 59418 observes the MST timezone.
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