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Ontonagon County, Michigan

Ontonagon County profile, demographic data, and geographic information.

Ontonagon County is a county located in Michigan, United States of America. As of official census estimates, it has a reported population of 5,823. The land area covers 1,310.98 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Ontonagon County
Official Title: Clerk/register Of Deeds
Address: 725 GREENLAND RD, ONTONAGON MI 49953-1423

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 5,823 — 2025 / Census
Median Age 59.8 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 3,149 ±131 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 5,238 ±65
Occupied Housing Units 3,149 ±131
Vacant Housing Units 2,089 ±107
Median Home Value $111,700 ±$4,970
Median Gross Rent $540 ±$68
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $54,398 ±$5,453
Per Capita Income $34,400 ±$1,700
Poverty Rate 12.5% ±2.7%
Population Below Poverty Level 727 ±157
Unemployment Rate 5.3% ±1.7%
Civilian Labor Force, Employed 2,150 ±96
Broadband Internet Rate 86.1% ±2.7%
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 ONTONAGON 6 SE, MI US, located 3.3 miles from Ontonagon County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 25.1° 8.8° 17.0° 2.87" 53.1"
February 29.9° 8.6° 19.3° 1.63" 27.0"
March 40.4° 17.7° 29.1° 1.74" 17.6"
April 52.1° 30.0° 41.0° 2.38" 6.9"
May 66.0° 41.1° 53.6° 3.14" 1.0"
June 75.4° 50.0° 62.7° 2.86" 0.0"
July 79.2° 55.3° 67.2° 3.19" 0.0"
August 78.4° 53.9° 66.1° 2.99" 0.0"
September 70.5° 48.4° 59.4° 2.95" 0.1"
October 56.3° 37.7° 47.0° 3.58" 2.5"
November 41.2° 26.8° 34.0° 2.68" 21.4"
December 29.9° 16.3° 23.1° 2.90" 48.1"
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: 26131. • 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.