Residential delivery area · Montana
ZIP Code 59870: Stevensville, MT
ZIP code 59870 uses the postal name Stevensville, Montana and lies entirely in Ravalli County (Census 2020 ZIP-county file). About 13,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,325 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Stevensville; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Stevensville · its only residential ZIP
- County
- Ravalli County
- Census places
- Stevensville
- House district
- MT-1 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 255.0 sq mi · 49 people per sq mi
Where is ZIP code 59870?
59870 centers on 46.516°, -114.063° and covers 255.0 square miles of land plus 1.2 of water. It borders 6 ZIP codes: 59833, 59875, 59828, 59825, 59858, 83539.
The map draws ZIP code areas only. For the streets inside 59870, 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 59870 compare with the rest of Ravalli County?
| Measure | 59870 | In Ravalli County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 12,506 | 2nd of 9 | 23rd of 369 |
| Median household income | $80k | 2nd of 6 | 33rd of 104 |
| Median home value | $516k | 4th of 6 | 19th of 120 |
Its median household income is higher than in 62% of U.S. residential ZIP codes, and it is denser than 42% 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 59870?
The 2020 Census counted 11,245 people in 59870; the ACS, which samples households over 2020-2024, estimates 12,506. Between the 2010 and 2020 censuses its population grew 16.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 12,506
- 2020 Census count
- 11,245+16.9% since 2010 (9,617)
- Households
- 4,621
- Median age
- 46.1
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 59870?
Of the 12,506 people the ACS estimates in 59870, 21.7% are under 18 and 23.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.5%).
- Under 1821.7%
- 18 to 6454.5%
- 65 and older23.8%
- White, not Hispanic89.5%
- Other or two or more5.6%
- Hispanic or Latino4.0%
- Black, not Hispanic0.7%
- Asian, not Hispanic0.4%
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 59870 earn?
Median household income is $80,325 (ACS 2020-2024), the 2nd highest of the 6 ranked ZIP codes in Ravalli County. It is not measurably different from 2015-2019 ($74,829 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $80,325
- Income per person
- $43,276
- Below the poverty line
- 9.8%
- Unemployed (of the labor force)
- 4.3%
- Adults 25+ with a bachelor's degree
- 30.5%
- Adjusted gross income per tax return, 2022
- $81,7135,790 returns; wages 51% 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 59870?
FHFA's house price index for 59870, built from repeat sales and appraisals of the same homes, rose 139% from 2015 to 2025 and rose 76% from 2020 to 2025, and moved +2.0% in 2025.
- Median home value (owners' estimate)
- $515,600
- Median gross rent
- $1,100
- Homes owned by their occupants
- 84.6%
- Housing units
- 5,153
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 59870?
364 business establishments had a location in this ZIP code in 2023, 79 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction98
- Professional, scientific, and technical services29
- Other services (except public administration)28
- Health care and social assistance27
- Retail trade26
- Real estate and rental and leasing24
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 59870?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59833 | Florence | 6,316 | $94k | 9.1 mi |
| 59875 | Victor | 3,764 | $63k | 13.7 mi |
| 59828 | Corvallis | 5,827 | $80k | 14.0 mi |
| 59825 | Clinton | 2,434 | $90k | 20.8 mi |
| 59858 | Philipsburg | 1,494 | $57k | 32.6 mi |
| 83539 | Kooskia, ID | 2,427 | $58k | 41.4 mi |
| 59841 | Pinesdale | 833 | $67k | 14.7 mi (near) |
| 59803 | Missoula | 18,401 | $112k | 19.3 mi (near) |
| 59847 | Lolo | 6,015 | $87k | 20.0 mi (near) |
| 59801 | Missoula | 30,916 | $58k | 23.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.