Big Timber ZIP Code List — Sweet Grass County, MT

There is one unique ZIP code in Big Timber, Montana and it is 59011. Area code: 406.

ZIP codes

936.36

sq mi land

4.38

sq mi water

406

area code

Big Timber, MT ZIP code map

About Big Timber, MT

Big Timber, Montana, is a small yet vibrant city located in the heart of Sweet Grass County. Known for its rich history and stunning natural landscapes, Big Timber offers a unique blend of rural charm and outdoor adventure. Visitors and residents alike are drawn to its friendly atmosphere and strong sense of community.

Location & geography

Big Timber is strategically situated approximately 45 miles west of Billings and about 50 miles east of Bozeman, making it easily accessible for travelers. The city's total area includes 936.36 square miles of land and a small water area of 4.38 square miles, contributing to its expansive natural beauty. The terrain is characterized by rolling hills and the picturesque Absaroka Mountains to the south.

Community & economy

The community of Big Timber is known for its close-knit character, where residents often come together for local events and gatherings. The economy is primarily supported by agriculture, tourism, and ranching, making it a hub for those seeking outdoor experiences such as fishing, hiking, and hunting. Daily life here is enriched by a blend of cultural activities, including art shows and community festivals.

Transportation

Big Timber is conveniently located along Interstate 90, which provides a vital transport link across Montana. The nearest airport is the Billings Logan International Airport, located approximately 45 miles away, facilitating air travel for residents and visitors. Local transit options are limited, but the city's layout makes it easy to navigate by car or on foot.

History

Big Timber was founded in the late 19th century and quickly grew as a center for the timber industry. The railroad's arrival in 1882 significantly boosted its economy and contributed to its development as a trade center. Throughout its history, Big Timber has held several notable events, including the annual Sweet Grass County Fair, celebrating the region's agriculture and heritage.

Did you know?

One little-known fact about Big Timber is that it is often referred to as the 'Gateway to the Absaroka-Beartooth Wilderness.' Additionally, the city has been a popular stop for travelers on their way to Yellowstone National Park due to its picturesque views and outdoor offerings.

ZIP codes for Big Timber, MT (1)

ZIP code	City	County	Map
59011	Big Timber	Sweet Grass	View map

Demographics & statistics

3,148

Population

43.2

Median age

$63,397

Median household income

$35,094

Per capita income

$264,900

Median home value

$813

Median monthly rent

75.3%

Home ownership

5.8%

Poverty rate

2.4%

Unemployment

1,180

Housing units

23.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

110

10–14

105

108

15–19

104

125

20–24

120

182

25–34

175

167

35–44

161

164

45–54

158

55–59

119

60–64

115

220

65–74

211

128

75–84

123

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	626	19.9%
18 and over	2,522	80.1%
65 and over	773	24.6%
Median age	43.2 years

Race & ethnicity

White 91.8%

Two or more races 2.8%

Black or African American 1.8%

Hispanic or Latino 1.7%

American Indian / Alaska Native 1.2%

Other race 0.7%

Group	Count	%
White	2,940	91.8%
Two or more races	89	2.8%
Black or African American	57	1.8%
Hispanic or Latino	53	1.7%
American Indian / Alaska Native	38	1.2%
Other race	24	0.7%

Household income

Under $10k 3.8%

$10k–$15k 3.9%

$15k–$25k 6.6%

$25k–$35k 7.3%

$35k–$50k 13.3%

$50k–$75k 23.9%

$75k–$100k 16.3%

$100k–$150k 16.5%

$150k–$200k 4.4%

$200k+ 3.9%

Range	% of households
Under $10k	3.8%
$10k–$15k	3.9%
$15k–$25k	6.6%
$25k–$35k	7.3%
$35k–$50k	13.3%
$50k–$75k	23.9%
$75k–$100k	16.3%
$100k–$150k	16.5%
$150k–$200k	4.4%
$200k+	3.9%
Median income	$63,397

Housing

Home values

Under $50k 3.2%

$50k–$100k 3.4%

$100k–$150k 10.4%

$150k–$200k 18.9%

$200k–$300k 23.6%

$300k–$500k 27.9%

$500k–$1M 7.2%

$1M+ 5.4%

Housing overview

Metric	Value
Median home value	$264,900
Median rent / month	$813
Owner occupied	75.3%
Renter occupied	24.7%
Vacant	17.5%
Single-family detached	81.2%
Large apartment buildings	0.0%
Mobile homes	8.0%
Median rooms	5.7
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	5.0%
2000–2009	11.3%
1990–1999	18.2%
1980–1989	11.8%
1970–1979	17.1%
1960–1969	4.6%
1950–1959	5.8%
1940–1949	6.3%
1939 or earlier	20.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	6.7%
2 bedrooms	26.0%
3 bedrooms	43.7%
4 bedrooms	13.4%
5+ bedrooms	8.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.7%
1 vehicle	15.2%
2 vehicles	34.0%
3 or more	47.1%

Heating fuel

Fuel type	%
Utility gas	48.0%
Electricity	16.0%
Propane / LP gas	16.1%
Fuel oil	0.8%
Wood	17.5%

Households & families

Household type	Count	%
Married-couple family	729	59.7%
Cohabiting couple	33	2.7%
Male householder, no spouse	218	17.8%
Female householder, no spouse	242	19.8%
Households with children under 18	324	26.5%
Households with seniors (65+)	488	39.9%
Average household size	2.56

Marital status

Status	Male	Female
Never married	27.6%	21.5%
Married	60.1%	61.1%
Separated	0.4%	0.0%
Widowed	2.8%	7.5%
Divorced	9.1%	9.9%

Education

Less than 9th grade 0.1%

Some HS, no diploma 2.9%

HS graduate 32.6%

Some college, no degree 30.9%

Associate's degree 9.8%

Bachelor's degree 16.9%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	23.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	49	7.1%
Kindergarten	15	2.2%
Elementary school	235	34.2%
High school	209	30.4%
College / grad school	179	26.1%

Employment

Industry of employment

Education & healthcare 17.1%

Construction 15.9%

Agriculture & mining 14.7%

Retail trade 11.3%

Transportation & utilities 8.0%

Professional & management 7.8%

Manufacturing 5.7%

Other services 4.9%

Finance & real estate 4.4%

Arts, food & hospitality 3.5%

Public administration 2.9%

Information 1.9%

Wholesale trade 1.7%

Occupation

Category	%
Management, business & arts	32.0%
Service	14.6%
Sales & office	13.5%
Natural resources & construction	26.3%
Production & transportation	13.5%

Employment type

Type	%
Private sector	74.9%
Government	13.9%
Self-employed	11.0%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	77.5%
Carpool	8.3%
Public transit	2.9%
Walk	3.6%
Other means	1.0%
Avg commute (minutes)	23.0

Poverty

All people 5.8%

Under 18 years 4.5%

18 and over 6.1%

Married-couple families 0.4%

Female-led households 20.0%

Income support

Source	% of households
Social Security	40.4%
Retirement income	21.2%
Supplemental Security	2.0%
Cash public assistance	0.0%
Food stamps / SNAP	4.8%

Health indicators

Condition	%
High blood pressure	32.7%
High cholesterol	33.6%
Heart disease	7.6%
Stroke	3.4%
Asthma	9.4%
Arthritis	30.0%
Kidney disease	3.2%
Pulmonary disease	7.1%
Cancer	8.5%

Behavior / access	%
Binge drinking	19.6%
No physical activity	20.3%
Less than 7 hrs sleep	29.9%
Fair or poor health	12.8%
Poor mental health	12.0%
Poor physical health	10.7%
No health insurance	11.1%
Visited doctor (checkup)	72.3%
Visited dentist	65.5%
Cholesterol screening	90.5%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	229	9.1%

Disability	%
Any disability	13.9%
Under 18	1.9%
18–64 years	9.2%
65 and over	34.7%

Health insurance coverage

Type	%
Private insurance	73.8%
Public insurance	36.3%
Uninsured under 19	5.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,967	94.3%
Spanish	12	0.4%
Other Indo-European	12	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,132	99.5%
Born in same state	3,108	98.7%
Born in different state	1,874	59.5%
Foreign born	24	0.8%
Naturalized citizen	16	0.5%
Not a US citizen	11	68.8%

Ancestry

Ancestry	Count	%
Polish	549	17.4%
French	512	16.3%
Italian	335	10.6%
English	60	1.9%

Ancestry	Count	%
Arab	38	1.2%
Dutch	33	1%
Irish	22	0.7%
German	10	0.3%

Technology access

Metric	% of households
Computer access	38.8%
Internet access	91.3%

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

Frequently asked questions

What is the ZIP code for Big Timber, MT?

Big Timber, MT has one ZIP code: 59011.

What is the main ZIP code for Big Timber, MT?

The primary ZIP code for Big Timber, MT is 59011. The city uses area code 406 for phone service.

What county is Big Timber, MT in?

Big Timber is located in Sweet Grass County, Montana.

How many ZIP codes are in Big Timber, MT?

Big Timber, MT has 1 ZIP code.