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ZIP Code 89421, Oregon

ZIP Code 89421 profile, demographic data, and geographic information.

ZCTA5 89421 is a 5-digit ZIP Code area located in Humboldt County / Malheur County, Oregon. As of official census estimates, it has a reported population of 330. The land area covers 928.30 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 330 ±84 2020-2024 / Census ACS 5-Year 2024
Median Age 52.1 yrs ±9.4 2020-2024 / Census ACS 5-Year 2024
Total Households 146 ±40 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 209 ±45
Occupied Housing Units 146 ±40
Vacant Housing Units 63 ±19
Median Home Value $71,400 ±$24,279
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $26,000 ±$7,862
Per Capita Income $24,053 ±$8,563
Poverty Rate 42.4% ±16.1%
Population Below Poverty Level 140 ±64
Unemployment Rate 7.1% ±7.8%
Civilian Labor Force, Employed 92 ±31
Broadband Internet Rate 62.3% ±12.6%
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: 27,336 (2024)
ID: 187138
County Official County Government
Contact: CROOK COUNTY TREASURER
200 NE 2RD ST, PRINEVILLE OR 97754

Education

Listing 3 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-06 McDermitt, NV
Regular School Nearby 09-12 McDermitt, NV
Regular School Nearby 07-08 McDermitt, NV
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 1 civic institution across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
MCDERMITT BRANCH LIBRARY
Library 12.2 mi away 135 OREGON RD, MCDERMITT, NV, 89421
(775) 532-8014
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 MCDERMITT, NV US, located 12.1 miles from ZCTA5 89421. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 40.7° 17.4° 29.0° 0.73" 4.5"
February 46.1° 21.0° 33.5° 0.50" 3.8"
March 54.8° 25.4° 40.1° 0.61" 1.9"
April 61.0° 29.3° 45.1° 1.01" 1.7"
May 70.9° 36.9° 53.9° 1.21" 0.0"
June 80.6° 42.7° 61.7° 0.86" 0.0"
July 91.8° 49.4° 70.6° 0.30" 0.0"
August 90.1° 45.6° 67.8° 0.17" 0.0"
September 80.8° 37.0° 58.9° 0.42" 0.0"
October 66.2° 27.0° 46.6° 0.67" 0.4"
November 50.8° 21.5° 36.2° 0.59" 2.4"
December 39.6° 16.4° 28.0° 0.78" 6.1"
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
McDermitt CDP CDP 12.2 mi —
Fort McDermitt CDP CDP 16.7 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 89421. • 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.