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Montana ZIP Codes
Park County
Clyde Park, MT
59018
59018 ZIP Code — Clyde Park, MT
Park County, Montana
ZIP code 59018 is located in
Clyde Park ,
Montana ,
within Park County .
It covers approximately 181.58 square miles and serves a population of
626 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 406 .
About ZIP code 59018
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $275,000. Owner-occupancy is high at 77%, well above the national average.
The gap between median ($59,688) and mean household income suggests income inequality — a small number of higher earners pull the average up. 43% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.
Overall, ZIP code 59018 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.
59018 ZIP code map
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Cities in ZIP code 59018
Below are the cities the US Postal Service accepts for ZIP code 59018. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
626
Population density
3 / sq mi
State FIPS
30
County FIPS
067
Geography
Land area
181.58 sq mi
Water area
0.05 sq mi
Latitude
45.9139
Longitude
-110.6081
Timezone
Mountain (MT)
Area code
406
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.8%
47.9%
44.2%
$50k – $100k
28.3%
29.8%
32.0%
$100k – $200k
15.0%
18.9%
19.2%
Over $200k
3.9%
3.5%
4.7%
Demographics & statistics
$59,688
Median household income
$275,000
Median home value
30.9%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 73 11.7% 18 and over 553 88.3% 65 and over 212 33.9% Median age 58.0 years
Race & ethnicity
Group Count % White 596 93.7% Two or more races 30 4.7% Hispanic or Latino 10 1.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.8%
47.9%
44.2%
$50k – $100k
28.3%
29.8%
32.0%
$100k – $200k
15.0%
18.9%
19.2%
Over $200k
3.9%
3.5%
4.7%
Range % of households Under $10k 3.8% $10k–$15k 3.1% $15k–$25k 5.9% $25k–$35k 3.1% $35k–$50k 17.0% $50k–$75k 27.1% $75k–$100k 11.8% $100k–$150k 14.9% $150k–$200k 9.4% $200k+ 3.8% Median income $59,688
Housing
Housing overview
Metric Value Median home value $275,000 Median rent / month $921 Owner occupied 77.4% Renter occupied 22.6% Vacant 18.4% Single-family detached 79.3% Large apartment buildings 0.0% Mobile homes 14.4% Median rooms 5.3 Avg household size (owned) 2.22
Year built
Era % 2020 or later 0.0% 2010–2019 5.4% 2000–2009 20.7% 1990–1999 13.6% 1980–1989 7.6% 1970–1979 19.3% 1960–1969 2.5% 1950–1959 5.7% 1940–1949 4.2% 1939 or earlier 21.0%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 6.5% 2 bedrooms 39.9% 3 bedrooms 36.3% 4 bedrooms 16.1% 5+ bedrooms 1.1%
Vehicles per household
Vehicles % of households No vehicle 3.5% 1 vehicle 17.0% 2 vehicles 39.2% 3 or more 40.3%
Heating fuel
Fuel type % Utility gas 1.0% Electricity 20.8% Propane / LP gas 57.3% Fuel oil 4.2% Wood 16.7%
Households & families
Household type Count % Married-couple family 175 60.8% Cohabiting couple 22 7.6% Male householder, no spouse 36 12.5% Female householder, no spouse 55 19.1% Households with children under 18 37 12.8% Households with seniors (65+) 122 42.4% Average household size 2.09
Marital status
Status Male Female Never married 24.3% 18.4% Married 73.9% 59.2% Separated 0.0% 1.3% Widowed 0.4% 7.4% Divorced 1.4% 13.7%
Education
Some college, no degree
25.6%
Graduate / professional
6.6%
Metric % HS diploma or higher 90.2% Bachelor's or higher 30.9%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 2 2.7% Elementary school 24 32.9% High school 34 46.6% College / grad school 13 17.8%
Employment
Industry of employment
Education & healthcare
22.6%
Arts, food & hospitality
11.9%
Professional & management
8.9%
Agriculture & mining
6.2%
Finance & real estate
5.9%
Transportation & utilities
5.0%
Public administration
4.2%
Occupation
Category % Management, business & arts 37.1% Service 25.2% Sales & office 14.2% Natural resources & construction 12.8% Production & transportation 10.7%
Employment type
Type % Private sector 68.2% Government 16.0% Self-employed 15.7% Unpaid family workers 0.0%
Commute
Method % Drive alone 75.6% Carpool 4.5% Public transit 0.0% Walk 6.8% Work from home 12.5% Other means 0.6% Avg commute (minutes) 27.7
Poverty
Married-couple families
2.3%
Female-led households
64.3%
Income support
Source % of households Social Security 43.1% Retirement income 31.3% Supplemental Security 1.7% Cash public assistance 0.0% Food stamps / SNAP 3.1%
Health indicators
Condition % Obesity 25.6% High blood pressure 30.7% High cholesterol 34.7% Diabetes 9.8% Heart disease 7.2% Stroke 3.3% Asthma 9.6% Arthritis 28.4% Kidney disease 3.1% Pulmonary disease 7.1% Cancer 8.1%
Behavior / access % Smoking 16.1% Binge drinking 19.0% No physical activity 18.2% Less than 7 hrs sleep 27.5% Depression 21.4% Fair or poor health 12.2% Poor mental health 12.2% Poor physical health 10.9% No health insurance 10.1% Visited doctor (checkup) 69.4% Visited dentist 65.8% Cholesterol screening 91.3% Teeth loss 11.9%
Veterans & disability
Veterans Count % Civilian veterans 73 13.2%
Disability % Any disability 7.7% Under 18 6.8% 18–64 years 1.2% 65 and over 18.4%
Health insurance coverage
Type % Private insurance 63.7% Public insurance 45.2% No insurance 3.8% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 616 98.4% 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) 615 98.2% Born in same state 615 98.2% Born in different state 270 43.1% Foreign born 0 0.0% Naturalized citizen 11 1.8% Not a US citizen 7 63.6%
Ancestry
Ancestry Count % Italian 74 11.8% French 62 9.9% Polish 33 5.3% English 30 4.8%
Ancestry Count % Arab 14 2.2% Dutch 4 0.6% Irish 3 0.5%
Technology access
Metric % of households Computer access 46.0% Internet access 91.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 59018
What city is ZIP code 59018 in?
ZIP code 59018 is primarily assigned to Clyde Park, Montana.
What county is ZIP code 59018 in?
ZIP code 59018 falls within Park County, Montana.
Does ZIP code 59018 have an older population?
34% of residents in ZIP code 59018 are 65 or older, above the national average of ~17%.
Does ZIP code 59018 have a large retiree population?
43% of households in ZIP code 59018 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 59018 have a large veteran population?
13% of civilians in ZIP code 59018 are veterans, above the national average of ~7%.
What is the population of ZIP code 59018?
ZIP code 59018 has an estimated population of 626 residents, with a density of 3 people per square mile.
What timezone is ZIP code 59018 in?
ZIP code 59018 observes the MST timezone.
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