Defiance County , Ohio

Defiance County: County in Ohio, United States

Defiance County locator map
Location of Defiance County on Ohio map.


Defiance County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 39,037 and a population density of 36 people per km². After 9 years in 2019 county had an estimated population of 38,087 inhabitants. Its county seat is Defiance. The county was created 176 years ago in 1845.


Defiance County is located at 41°19'26"N 84°29'26"W (41.3239200, -84.4905000). It has 5 neighbors: Paulding County, Allen County, DeKalb County, Henry County and Putnam County.

Defiance County Courthouse  southern side and front image
Defiance County Courthouse southern side and front

The largest city of Defiance County is Defiance with a population of 12,953. Other cities include, Farmer population 912, Sherwood population 818 and Ney population 341. See all Defiance County cities & populated places.


Defiance County forecast: Mostly cloudy, with a low around 57. North wind 0 to 5 mph. more

Defiance County Courthouse  southern side and front image

Defiance County map

Defiance County Quick Facts

Population : 38,087 (2019)
Country : United States of America
State : Ohio (United States)
Plate code : 20
Area : 1073 km2
Water as percent of area : 0.7%
Land as percent of area : 99.3%
Named for : Fort Defiance
Altitude : 709 feet / 216 meters
Capital : Defiance
Establishment : April 04, 1845
Time Zone : America/New_York
Local time : 12:36:47 (31st July 2021)
Density : 35 Pop. per km² as of 2019
Population growth : -2.49% (2010-2019)
Weather : 57℉ Mostly Cloudy 7-days weather

Defiance County has 5 neighbours.

  • Defiance


According to census records, the population of Defiance County decreased by 2.49% in 9 years.

Year Population % Change Method
2010 39,037 - census
2011 39,005 -0.08% estimation process
2012 38,827 -0.46% estimation process
2013 38,564 -0.68% estimation process
2014 38,525 -0.1% estimation process
2015 38,326 -0.52% estimation process
2016 38,140 -0.49% estimation process
2017 38,156 0.04% estimation process
2018 38,089 -0.18% estimation process
2019 38,087 -0.01% estimation process

Comitatul Defiance, Comte de Defiance, Comté de Defiance, Condado de Defiance, Condado han Defiance, Contea di Defiance, Defaens, Defajans, Defiance, Defiance Comitatus, Defiance Kun, Defiance Kūn, Defiance konderria, Defiance megye, Defiancen piirikunta, Difajuns, Hrabstwo Defiance, Okrug Defajans, Quan Defiance, Quận Defiance, dephiyanse ka'unti, di fa en si xian, difaiansu jun, mqatʿt dyfyans, shhrstan dfyans awhayw, Дефайанс, Дефаєнс, Дифайънс, Округ Дефајанс, شهرستان دفیانس، اوهایو, مقاطعة ديفيانس, ڈافائینس کاؤنٹی، اوہائیو, ڈیفائنس کاؤنٹی, ডেফিয়ান্সে কাউন্টি, ディファイアンス郡, 迪法恩斯縣

Defiance County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Defiance County.

City Name Population Title
Defiance 12,953 City in and the county seat of Defiance County, Ohio, United States
Hicksville 3,434 Township in Defiance County, Ohio
Farmer 912 Unincorporated community in Defiance County, Ohio
Sherwood 818
Ney 341 Human settlement in Defiance County, Ohio, United States of America

Ohio Other Counties (more counties)

County Name Population Title
Ohio 11,689,100 State of the United States of America
Franklin County 1,316,756 County in Massachusetts, United States
Cuyahoga County 1,235,072 County in Ohio, United States
Columbus 879,279 Capital city of Ohio, United States
Hamilton County 817,473 County in New York, United States
Summit County 541,013 County in northern Utah, United States
Montgomery County 531,687 County in Ohio, United States
Lucas County 428,348 County in Ohio, United States
Butler County 383,134 County in Ohio, United States of America
Cleveland 381,009 City in Ohio, United States
Stark County 370,606 County in Ohio, United States
Lorain County 309,833 County in Ohio, United States
Cincinnati 303,940 City in Ohio, United States; county seat of Hamilton County
Toledo 272,779 County seat of Lucas County, Ohio, United States
Warren County 234,602 County in New York, United States
Lake County 230,149 County in Ohio, United States

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