ZIP Code 59011 in Big Timber, MT

Data Last Updated: February 1, 2026
City:Big Timber, Montana
County:Sweet Grass County
Timezone:Mountain (GMT -07:00)
Local Time:6:57:09 AM
Population:3,157 [See All]
Area Code:406
Classification:Standard [Normal Street Delivery]
Coordinates:45.9252, -109.9388
Land Area:936.357 sq mi
Quick Link:
https://www.zip-codes.com/zip-code/59011/zip-code-59011.asp

Download this data |

Download ZIP Boundaries |

Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 59011 has 3,157 residents and 1,362 households (average 2.29 persons per household). The median age is 47.8 years, significantly older than the state (40.5) and significantly older than the nation (38.8). The gender split is 50.4% male and 49.6% female, which is slightly higher than the national male share (49.1%). Largest groups are White (92.7%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Hispanic or Latino (2.6%); Hispanic or Latino residents make up 2.6%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:3,157Source: Census DHC
2024 ACS Population Estimate:3,167Source: Census ACS
2026 ZC Population Estimate:735Source: ZIP-Codes.com
Population Density:3.4 people per sq mile
Average Income:$78,000Source: Census ACS
Households:1,362Source: Census DHC
Average House Value:$328,100Source: Census ACS
Persons Per Household:2.29Source: Census DHC
Average Family Size:2.82Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--3,0343,1043,0253,0343,0643,0483,0163,1363,1203,0833,0933,1483,1313,167
Decennial Census3,027------------------3,157--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 47.8

Male Median Age: 45.9

Female Median Age: 50.1

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male789111298726274791028211595109106129924848
Female531001079447627488708776118142150107824167
Total13119121919211912414816717216919121325125623617489115
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:2,92795.50%
Black:80.26%
Hispanic:*812.64%
Asian:90.29%
American Indian:210.69%
Hawaiian:30.10%
Other:160.52%
Total:3,065100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:1,59250.43%45.9 years
Females:1,56549.57%50.1 years
Total:3,157100%47.8 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:3,11298.26%
Native, born in PR, Island Areas, or abroad:290.92%
Foreign born, naturalized U.S. citizen:210.66%
Foreign born, not a U.S. citizen:50.82%
Total Population:3,167100%
Total Native Population:3,14199.18%
Total Foreign-born Population:260.82%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $78,000, which is below the national median ($80,734), is up $35,241 (82.4%) since 2011 and above its 2019 pre-pandemic level by $28,246. Family households earn a median of $93,929 versus $33,088 for nonfamily households (a difference of $60,841). By gender, male median income is $54,808 and female is $51,250, which is considerably lower than the national female median ($55,274), with a current gap of $3,558 that has widened from 2011 to 2024. The labor-force participation rate is 64.8%, which is modestly greater than the national rate (63.5%). The unemployment rate is 2.0%, which is markedly below the national rate (5.2%). The largest occupation group is Management (33.8%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$42,759$46,146$45,917$51,000$48,819$49,188$48,787$49,256$49,754$52,721$58,628$63,397$67,326$78,000
Median Family Income$58,922$60,196$57,750$63,533$63,068$63,955$64,282$67,014$67,981$61,667$77,917$83,194$86,886$93,929
Median NonFamily Income$21,656$17,361$20,583$18,438$19,265$20,559$22,278$27,898$28,194$29,821$30,341$28,958$32,214$33,088
Median Male Income$32,634$36,133$33,750$37,202$40,484$47,303$46,667$48,571$52,250$47,443$45,735$46,910$49,091$54,808
Median Female Income$30,035$23,854$23,667$26,500$29,375$33,958$35,096$38,359$36,250$28,100$35,435$37,083$50,855$51,250
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:1,67663.51%
Unemployed:341.29%
Not In Labor Force:92935.20%
Total:2,639100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:56733.83%
Service:17310.32%
Sales and Office:22813.60%
Natural resources, construction, and maintenance:48028.64%
Production, transportation, and material moving:22813.60%
Total Civilian Employed Population:1,676100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $328,100, which is on par with the national median ($332,700), is up $152,200 (86.53%) since 2011 and above its 2019 pre-pandemic level by $85,200. The median gross rent is $1,143, which is far less than the national median ($1,413), is up $530 (86.46%) since 2011 and above its 2019 pre-pandemic level by $452. Of occupied housing, owners make up 79.05% (50.39% with a mortgage, 49.61% free-and-clear) and renters 20.95% - making this ZIP Code under national rental averages. The vacancy rate is 13.26%, which is far higher than the national rate (10.12%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$175,900$185,700$188,100$188,700$183,300$198,000$215,400$231,300$242,900$237,100$236,100$264,900$286,200$328,100
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:103.65%
$500 to $999:4616.79%
$1,000 to $1,499:9333.94%
$1,500 to $1,999:4215.33%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:10.36%
No Rent:8229.93%
Total:274100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$613$638$611$647$658$661$670$707$691$648$676$813$1,061$1,143
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):52139.83%
Owner Occupied (free and clear, no mortgage):51339.22%
Renter Occupied:27420.95%
Total Occupied Housing Units:1,308100%

Occupied Housing Units:1,30886.74%
Vacant Housing Units (not graphed):20013.26%
Total Housing Units:1,508100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:1,28985.48%
Multi-Family Units:1248.22%
Other Units:956.30%
Total Housing Units:1,508100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 25.10% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 97.60%, which is far higher than the national rate (89.60%). The uninsured rate is 10.10%, which is comparable to the national rate (8.40%). The share of people in poverty is 4.70%, which is far lower than the national rate (8.80%), down 3.20 percentage points since 2011 and below its 2019 pre-pandemic level by 1.30 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is high school (35.71%). College enrollment is 22.37%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:30.13%
9th to 12th grade, no diploma:512.23%
High school graduate (includes equivalency):70730.85%
Some college, no degree:70730.85%
Associate's degree:24910.86%
Bachelor's degree:41217.98%
Graduate or professional degree:1637.11%
Total:2,292100%
High school or higher:2,23897.64%
Bachelor's degree or higher:57525.09%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:2,27359.75%
Public Insurance:1,21331.89%
No Insurance:3188.36%
Total:3,804100%
Has Health Insurance:3,48691.64%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty6.8%6.9%9.6%8.4%9.0%7.7%8.6%6.4%4.9%4.0%3.8%3.6%3.6%4.7%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:395.26%
Kindergarten:354.72%
Elementary school (grades 1-8):23731.94%
High school (grades 9-12):26535.71%
College or graduate school:16622.37%
Total:742100%
Early Childhood:749.97%
K-12 (Primary & Secondary School):53772.37%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 59011 supports both business and residential activity. According to the Business Census (2024), there are 178 business establishments, employing about 1,313 people with an annual payroll of $87,173,000. USPS data shows 321 residential mailboxes and 4 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:321Source: USPS
# Business Mailboxes:4Source: USPS
Total Delivery Receptacles:1,819Source: USPS
Single Family Delivery Units:321Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:178Source: CBP
1st Quarter Payroll:$24,062,000Source: CBP
Annual Payroll:$87,173,000Source: CBP
# of Employees:1,313Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 59011 is located in Sweet Grass County, Montana, within the Metropolitan Statistical Area (CBSA ) and Montana's 2nd Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 59011. It covers 936.357 sq mi of land and a water area of 4.377 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:936.357 sq miSource: Census
Water Area:4.377 sq miSource: Census
Congressional District:02Source: USPS
Congressional Land Area:0 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3006475Source: Census
Place Name:Big Timber city; MontanaSource: Census

Adjacent & Nearby ZIP Codes


59012 | | 59010

Schools in ZIP Code 59011


ZIP Code 59011 is part of 2 school districts, including: Big Timber Elementary School District (Grades PK thru 08) and Sweet Grass County High School District (Grades 9th thru 12th). There are 3 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Big Timber School 5th And Anderson
Big Timber, MT 59011
District: Big Timber Elementary School District
Big Timber 7-8 5th And Anderson
Big Timber, MT 59011
District: Big Timber Elementary School District
Sweet Grass Co High Schl 501 W 5th Ave
Big Timber, MT 59011
District: Sweet Grass County High School District
St Marys Catholic School 511 S F St
Livingston, MT 59047
District: Private SchoolNearby
Educatio 129 S Main St
Livingston, MT 59047
District: Private SchoolNearby
Mt Ellis Elementary 3835 Bozeman Trl Rd
Bozeman, MT 59715
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 59011


Academy Of Cosmetology Inc 133 W Mendenhall
Bozeman, MT 59715-3544
Type: Post Secondary
Montana State University Montana State University
Bozeman, MT 59717
Type: Post Secondary
City College Montana State University Billings 3803 Central Ave
Billings, MT 59102-9856
Type: Post Secondary
Montana Bible College 1519 S. Shiloh Road
Billings, MT 59106
Type: Post Secondary
Rituals Cosmetology Institute 901 24th Street West
Billings, MT 59102-3805
Type: Post Secondary
Rocky Mountain College 1511 Poly Drive
Billings, MT 59102-1796
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov