Residential delivery area · Montana
ZIP Code 59011: Big Timber, MT
ZIP code 59011 uses the postal name Big Timber, Montana and lies entirely in Sweet Grass County (Census 2020 ZIP-county file). About 3,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $78,000 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Big Timber; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Big Timber · its only residential ZIP
- County
- Sweet Grass County
- Census places
- Big Timber
- House district
- MT-2 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 936.4 sq mi · 3 people per sq mi
Where is ZIP code 59011?
59011 centers on 45.925°, -109.949° and covers 936.4 square miles of land plus 4.4 of water. It borders 11 ZIP codes: 59055, 59033, 59082, 59069, 59085, 59052, 59067, 59086, 59047, 59053 and more.
The map draws ZIP code areas only. For the streets inside 59011, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 59011 compare with the rest of Sweet Grass County?
| Measure | 59011 | In Sweet Grass County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 3,167 | 1st of 7 | 65th of 369 |
| Median household income | $78k | 1st of 1 | 39th of 104 |
| Median home value | $328k | 1st of 1 | 64th of 120 |
Its median household income is higher than in 59% of U.S. residential ZIP codes, and it is denser than 8% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 59011?
The 2020 Census counted 3,157 people in 59011; the ACS, which samples households over 2020-2024, estimates 3,167. Between the 2010 and 2020 censuses its population grew 4.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,167
- 2020 Census count
- 3,157+4.3% since 2010 (3,027)
- Households
- 1,308
- Median age
- 47.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 59011?
Of the 3,167 people the ACS estimates in 59011, 20.0% are under 18 and 25.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.1%).
- Under 1820.0%
- 18 to 6454.3%
- 65 and older25.7%
- White, not Hispanic92.1%
- Other or two or more5.9%
- Black, not Hispanic1.2%
- Hispanic or Latino0.9%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 59011 earn?
Median household income is $78,000 (ACS 2020-2024). It rose from $61,048 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $78,000±$12,452
- Income per person
- $43,074
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 2.0%
- Adults 25+ with a bachelor's degree
- 25.1%
- Adjusted gross income per tax return, 2022
- $73,5141,610 returns; wages 57% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 59011?
- Median home value (owners' estimate)
- $328,100
- Median gross rent
- $1,143
- Homes owned by their occupants
- 79.1%
- Housing units
- 1,508
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 59011?
178 business establishments had a location in this ZIP code in 2023, 16 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction32
- Retail trade23
- Accommodation and food services19
- Other services (except public administration)16
- Professional, scientific, and technical services13
- Real estate and rental and leasing12
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 59011?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59055 | Melville | 40 | $164k | 14.4 mi |
| 59033 | Greycliff | 231 | $72k | 17.3 mi |
| 59082 | Springdale | 2 | – | 17.2 mi |
| 59069 | Reed Point | 458 | $73k | 22.3 mi |
| 59085 | Two Dot | 83 | – | 29.8 mi |
| 59052 | McLeod | 186 | $61k | 33.1 mi |
| 59067 | Rapelje | 152 | $73k | 35.0 mi |
| 59086 | Wilsall | 792 | $69k | 35.6 mi |
| 59047 | Livingston | 14,092 | $72k | 37.6 mi |
| 59053 | Martinsdale | 412 | $44k | 42.6 mi |
| 59074 | Ryegate | 413 | $50k | 43.5 mi |
| 59018 | Clyde Park | 669 | $79k | 32.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.