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ZIP Code 59087, Montana

ZIP Code 59087 profile, demographic data, and geographic information.

ZCTA5 59087 is a 5-digit ZIP Code area located in Petroleum County, Montana. As of official census estimates, it has a reported population of 395. The land area covers 1,277.23 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 395 ±101 2020-2024 / Census ACS 5-Year 2024
Median Age 52 yrs ±7.2 2020-2024 / Census ACS 5-Year 2024
Total Households 201 ±53 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 282 ±58
Occupied Housing Units 201 ±53
Vacant Housing Units 81 ±32
Median Home Value $195,300 ±$45,054
Median Gross Rent $800 ±$227
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $62,813 ±$18,721
Per Capita Income $41,953 ±$9,109
Poverty Rate 7.6% ±4.1%
Population Below Poverty Level 30 ±18
Unemployment Rate 0% ±5.3%
Civilian Labor Force, Employed 207 ±64
Broadband Internet Rate 85.1% ±11.9%
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
COUNTY OF PETROLEUM
GUS Population: 525 (2024)
ID: 193659
County Official County Government
Contact: CLERK
PO BOX 226, WINNETT MT 59087-0226

Education

Listing 4 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-08 Mosby, MT
Regular School Nearby 07-08 Winnett, MT
Regular School Nearby 09-12 Winnett, MT
Regular School Nearby PK-06 Winnett, MT
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 1 civic institution across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
PETROLEUM COUNTY SCHOOL-COMMUNITY LIBRARY
Library 11.3 mi away 305 SOUTH BROADWAY, WINNETT, MT, 59087
(406) 429-2451
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 VALENTINE, MT US, located 18.7 miles from ZCTA5 59087. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 32.6° 6.3° 19.5° 0.57" 7.1"
February 36.0° 10.0° 23.0° 0.40" 5.1"
March 46.8° 19.4° 33.1° 0.62" 4.8"
April 56.8° 29.2° 43.0° 1.25" 2.7"
May 66.4° 39.2° 52.8° 2.90" 0.5"
June 75.3° 48.7° 62.0° 2.58" 0.0"
July 85.7° 53.8° 69.8° 1.56" 0.0"
August 85.2° 51.8° 68.5° 1.40" 0.0"
September 73.7° 41.5° 57.6° 1.16" 0.0"
October 59.1° 29.5° 44.3° 1.16" 1.8"
November 45.4° 17.8° 31.6° 0.51" 4.3"
December 35.2° 8.9° 22.0° 0.49" 6.8"
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
Winnett town Town 11.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 59087. • 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.