Delaware County, Ohio

Delaware County: County in Ohio, United States

About

Delaware County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 174,214 and a population density of 148 people per km². After 10 years in 2020 county had an estimated population of 213,554 inhabitants. Its county seat is Delaware. The county was created 216 years ago in 1808.

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

Quick Facts about Delaware County

Population : 213,554 (2020)
Country : United States of America
State : Ohio (United States)
Different from : Delaware County, Delaware County, Delaware County, Delaware County, Delaware County
Twitter username : delawarecoohio
Plate code : 21
Area : 1181 km2
Water as percent of area : 3.1%
Land as percent of area : 96.9%
Named for : Lenape
Capital : Delaware
Establishment : February 02, 1808
Time Zone : America/New_York
Local time : 13:31:32 (28th March 2024)
Density : 181 Pop. per km² as of 2020
Population growth : 18.42% (2010-2020)
Delaware County Courthouse Ohio image
Delaware County Courthouse Ohio
Delaware County Courthouse Ohio image

Geography

Delaware County is located at 40°16'42"N 83°0'18"W (40.2783900, -83.0048900). It has 4 neighbors: Knox County, Licking County, Marion County and Union County.

Delaware County map

The largest city of Delaware County is Delaware with a population of 42,607. Other cities include, Powell population 12,972, Harlem population 4,903, Ostrander population 764 and Norton population 4. See all Delaware County cities & populated places.

Delaware County Populated Places

Cities, towns, neighborhoods & other populated places in Delaware County.

City Name Population Title
Delaware 42,607 The county seat of Delaware County, Ohio.
Powell 12,972 City in Ohio, United States
Harlem 4,903 City in United States of America
Berkshire 3,742 Township in Delaware County, Ohio
Scioto 3,683 Township in Delaware County, Ohio
Radnor 1,904 Township in Delaware County, Ohio
Ashley 1,640 Village in Delaware County, Ohio, United States
Ostrander 764 City in Delaware County, Ohio, United States of America
Galena 753 Village in Delaware County, Ohio, United States

Delaware County has 4 neighbours.

  • Delaware

Demographics

The population of Delaware County increased by 18.42% in 10 years.

Year Population % Change Method
2010 174,214 - census
2011 178,535 2.42% estimation process
2012 181,127 1.43% estimation process
2013 185,380 2.29% estimation process
2014 189,440 2.14% estimation process
2015 193,391 2.04% estimation process
2016 197,144 1.9% estimation process
2017 200,870 1.85% estimation process
2018 205,091 2.06% estimation process
2019 209,177 1.95% estimation process
2020 213,554 2.05% estimation process

Comitatul Delaware, Comte de Delaware, Comté de Delaware, Condado de Delaware, Condado han Delaware, Contea di Delaware, Delaueur, Delavehr, Delaver, Delaware, Delaware Comitatus, Delaware Kun, Delaware Kūn, Delaware konderria, Delaware megye, Delawaren piirikunta, Hrabstwo Delaware, Okrug Delaver, Quan Delaware, Quận Delaware, dela'oyyara ka'unti, derau~ea jun, mqatʿt dylawyr, shhrstan dlawyr awhayw, te la hua xian, Делавер, Делавэр, Делауеър, Округ Делавер, شهرستان دلاویر، اوهایو, مقاطعة ديلاوير, ڈیلاویئر کاؤنٹی، اوہائیو, ডেলাওয়্যার কাউন্টি, デラウェア郡, 特拉華縣

People born in Delaware County (14)

People born in Delaware County, including diplomat, politician, and U.S. Army officer William Rosecrans, Union Army officer Preston B. Plumb, politician Thomas Carney, .

List

Other places with the same name (6)

Ohio Other Counties (more counties)

County Name Population Title
Franklin County 1,324,624 County in Massachusetts, United States
Cuyahoga County 1,227,883 County in Ohio, United States
Columbus 884,356 The fifteenth most populous city in the United States and the center of the Columbus metropolitan area.
Hamilton County 817,985 County in New York, United States
Summit County 538,866 County in northern Utah, United States
Montgomery County 531,610 County in Ohio, United States
Lucas County 428,294 County in Ohio, United States
Butler County 385,648 County in Ohio, United States of America
Cleveland 378,589 The second most populous city in Ohio and the center of the Cleveland metropolitan area.
Stark County 369,772 County in Ohio, United States
Lorain County 312,172 County in Ohio, United States
Cincinnati 304,548 The third most populous city in Ohio and the center of the Cincinnati metropolitan area.
Toledo 271,455 The fourth most populous city in Ohio and the center of the Toledo metropolitan area.
Warren County 238,412 County in New York, United States
Lake County 229,569 County in Ohio, United States
Mahoning County 226,075 County in Ohio, United States