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ZIP Code 59821, Montana

ZIP Code 59821 profile, demographic data, and geographic information.

ZCTA5 59821 is a 5-digit ZIP Code area located in Lake County / Missoula County / Sanders County, Montana. As of official census estimates, it has a reported population of 2,994. The land area covers 319.63 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 2,994 ±334 2020-2024 / Census ACS 5-Year 2024
Median Age 39 yrs ±5 2020-2024 / Census ACS 5-Year 2024
Total Households 999 ±86 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 1,136 ±92
Occupied Housing Units 999 ±86
Vacant Housing Units 137 ±47
Median Home Value $375,200 ±$49,421
Median Gross Rent $967 ±$178
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $66,458 ±$10,573
Per Capita Income $30,589 ±$4,875
Poverty Rate 16% ±5%
Population Below Poverty Level 479 ±159
Unemployment Rate 7.4% ±3.5%
Civilian Labor Force, Employed 1,186 ±160
Broadband Internet Rate 88.9% ±4.6%
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: 33,403 (2024)
ID: 204864
County Official County Government
Contact: COMMISSIONER
106 4TH AVE E, POLSON MT 59860-2133

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 10-12 Frenchtown, MT
Regular School Nearby 07-08 Dixon, MT
Regular School Nearby PK-06 Dixon, MT
Regular School Nearby 06-08 Frenchtown, MT
Regular School Nearby PK-03 Frenchtown, MT
Regular School Nearby 09-12 Frenchtown, MT
Regular School Nearby 04-05 Frenchtown, MT
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 6 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
The University of Montana
College 24.2 mi away Missoula, Montana, Missoula, MT, 59812
4062430211
ST IGNATIUS SCHOOL-COMMUNITY LIBRARY
Library 8.2 mi away 76 THIRD AVE, SAINT IGNATIUS, MT, 59865
(406) 745-3811
FRENCHTOWN SCHOOL AND COMMUNITY LIBRARY (MISSOULA CO.)
Library 16.6 mi away 17620 FRENCHTOWN FRONTAGE RD, FRENCHTOWN, MT, 59834
(406) 626-2730
RONAN LIBRARY DISTRICT
Library 22.4 mi away 203 MAIN STREET SW, RONAN, MT, 59864
(406) 676-3682
MISSOULA PUBLIC LIBRARY
Library 23.5 mi away 455 E MAIN, MISSOULA, MT, 59802
(406) 721-2665
BIG SKY BRANCH LIBRARY (MISSOULA CO.)
Library 24.9 mi away 3100 SOUTH AVE W, MISSOULA, MT, 59804
(406) 728-2400
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 8.1 miles from ZCTA5 59821. 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
Arlee CDP CDP 4.0 mi —
Ravalli CDP CDP 8.3 mi —
St. Ignatius town Town 8.3 mi —
Evaro CDP CDP 9.3 mi —
Old Agency CDP CDP 15.2 mi —
Frenchtown CDP CDP 16.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 59821. • 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.