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Putnam County, Ohio

Putnam County profile, demographic data, and geographic information.

Putnam County is a county located in Ohio, United States of America. As of official census estimates, it has a reported population of 34,380. The land area covers 482.54 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Putnam County
Official Title: Commissioner
Address: 245 E MAIN ST, STE 101, OTTAWA OH 45875-1968

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 34,380 — 2025 / Census
Median Age 40.6 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 13,153 ±206 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 13,884 ±44
Occupied Housing Units 13,153 ±206
Vacant Housing Units 731 ±205
Median Home Value $201,100 ±$8,332
Median Gross Rent $855 ±$41
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $84,928 ±$3,549
Per Capita Income $39,590 ±$1,603
Poverty Rate 5.5% ±1%
Population Below Poverty Level 1,862 ±336
Unemployment Rate 1.8% ±0.6%
Civilian Labor Force, Employed 16,943 ±374
Broadband Internet Rate 88% ±1.6%
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 PANDORA, OH US, located 10.3 miles from Putnam County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 33.4° 19.4° 26.4° 2.61" 10.6"
February 37.1° 21.6° 29.4° 2.20" 8.3"
March 47.8° 29.6° 38.7° 2.61" 4.3"
April 61.2° 39.7° 50.4° 3.80" 0.8"
May 72.5° 51.3° 61.9° 4.36" 0.0"
June 80.9° 60.8° 70.9° 4.28" 0.0"
July 84.1° 63.7° 73.9° 4.04" 0.0"
August 82.2° 61.6° 71.9° 3.47" 0.0"
September 76.4° 54.3° 65.4° 3.09" 0.0"
October 63.8° 43.8° 53.8° 2.83" 0.1"
November 49.9° 33.5° 41.7° 2.82" 1.9"
December 38.2° 25.1° 31.6° 2.56" 6.5"
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: 39137. • 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.