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ZIP Code 59831, Montana

ZIP Code 59831 profile, demographic data, and geographic information.

ZCTA5 59831 is a 5-digit ZIP Code area located in Sanders County, Montana. As of official census estimates, it has a reported population of 544. The land area covers 102.29 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 544 ±103 2020-2024 / Census ACS 5-Year 2024
Median Age 36.3 yrs ±8.7 2020-2024 / Census ACS 5-Year 2024
Total Households 183 ±38 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 212 ±41
Occupied Housing Units 183 ±38
Vacant Housing Units 29 ±9
Median Home Value $197,500 ±$77,134
Median Gross Rent $738 ±$270
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $46,406 ±$9,622
Per Capita Income $17,592 ±$3,160
Poverty Rate 29.6% ±10.3%
Population Below Poverty Level 161 ±64
Unemployment Rate 10.5% ±5.8%
Civilian Labor Force, Employed 214 ±55
Broadband Internet Rate 89.1% ±4.9%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 13,895 (2024)
ID: 212754
County Official County Government
Contact: RURAL ADDRESSSING
PO BOX 519, THOMPSON FALLS MT 59873-0519

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 07-08 Arlee, MT
Regular School Nearby PK-06 Arlee, MT
Regular School Nearby 09-12 Arlee, MT
Regular School Nearby 06-08 Charlo, MT
Regular School Nearby PK-05 Charlo, MT
Regular School Nearby 09-12 Charlo, MT
Regular School Nearby 07-08 Dixon, MT
Regular School Nearby PK-06 Dixon, MT
Regular School Nearby PK-05 St Ignatius, MT
Regular School Nearby 09-12 St Ignatius, MT
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 5 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
ST IGNATIUS SCHOOL-COMMUNITY LIBRARY
Library 13.6 mi away 76 THIRD AVE, SAINT IGNATIUS, MT, 59865
(406) 745-3811
FRENCHTOWN SCHOOL AND COMMUNITY LIBRARY (MISSOULA CO.)
Library 17.5 mi away 17620 FRENCHTOWN FRONTAGE RD, FRENCHTOWN, MT, 59834
(406) 626-2730
ALBERTON BRANCH LIBRARY
Library 18.5 mi away 701 RAILROAD AVENUE, ALBERTON, MT, 59820
(406) 722-3372
RONAN LIBRARY DISTRICT
Library 22.4 mi away 203 MAIN STREET SW, RONAN, MT, 59864
(406) 676-3682
MINERAL COUNTY PUBLIC LIBRARY
Library 24.8 mi away 301 2ND AVE EAST, SUPERIOR, MT, 59872
(406) 822-3563
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at SAINT IGNATIUS, MT US, located 13.2 miles from ZCTA5 59831. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 36.8° 22.6° 29.7° 0.95" —
February 39.9° 22.3° 31.1° 1.15" —
March 50.6° 28.0° 39.3° 0.94" —
April 59.4° 33.9° 46.7° 1.75" —
May 68.6° 41.0° 54.8° 2.30" —
June 75.1° 46.7° 60.9° 2.63" —
July 86.0° 52.2° 69.1° 0.97" —
August 85.8° 50.7° 68.3° 1.17" —
September 74.8° 44.1° 59.4° 1.51" —
October 59.3° 34.6° 47.0° 1.28" —
November 44.8° 27.5° 36.1° 1.13" —
December 36.5° 22.5° 29.5° 0.94" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Sčilíp CDP CDP 4.0 mi —
Old Agency CDP CDP 5.6 mi —
Ravalli CDP CDP 9.7 mi —
St. Ignatius town Town 13.4 mi —
Arlee CDP CDP 14.8 mi —
Charlo CDP CDP 15.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 59831. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.