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Harmon County, Oklahoma

Harmon County profile, demographic data, and geographic information.

Harmon County is a county located in Oklahoma, United States of America. As of official census estimates, it has a reported population of 2,327. The land area covers 537.26 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Harmon County
Official Title: Chairman
Address: 114 W HOLLIS ST, HOLLIS OK 73550-3053

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 2,327 — 2025 / Census
Median Age 40.3 yrs ±2.6 2020-2024 / Census ACS 5-Year 2024
Total Households 964 ±72 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 1,354 ±43
Occupied Housing Units 964 ±72
Vacant Housing Units 390 ±58
Median Home Value $79,700 ±$13,295
Median Gross Rent $694 ±$51
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $43,333 ±$5,353
Per Capita Income $29,193 ±$4,729
Poverty Rate 22.7% ±4.8%
Population Below Poverty Level 528 ±113
Unemployment Rate 7.2% ±5.1%
Civilian Labor Force, Employed 939 ±102
Broadband Internet Rate 85.2% ±5.3%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at HOLLIS 5E, OK US, located 4.8 miles from Harmon County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 52.5° 23.4° 38.0° 0.88" 1.3"
February 56.4° 26.7° 41.6° 1.02" 0.5"
March 65.5° 34.5° 50.0° 1.37" 0.5"
April 74.5° 43.6° 59.0° 2.51" 0.0"
May 82.9° 54.8° 68.9° 3.68" 0.0"
June 92.5° 65.4° 79.0° 3.56" 0.0"
July 97.1° 69.0° 83.0° 2.20" 0.0"
August 95.8° 68.3° 82.0° 3.19" 0.0"
September 87.5° 60.3° 73.9° 2.75" 0.0"
October 75.8° 46.4° 61.1° 2.36" 0.0"
November 63.1° 34.0° 48.6° 1.26" 0.5"
December 53.2° 25.4° 39.3° 1.01" 0.5"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 40057. • 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.