Franklin County, Ohio

Franklin County: county in Massachusetts, United States

About

Franklin County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 1,163,414 and a population density of 620 people per km². After 10 years in 2020 county had an estimated population of 1,324,624 inhabitants. Its county seat is Greenfield. The county was created 215 years ago in 1810.

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

County Snapshot

Franklin County at a glance

Franklin County currently has 34 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

34

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Franklin County

Population 1,324,624 (2020)
Country United States of America
State Ohio (United States)
Different from Franklin County, Franklin Parish, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin City, Virginia, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County, Franklin County
Area 1877 km2
Water as percent of area 3.5%
Land as percent of area 96.5%
Latitude & Longitude 39.9695,-83.0094
Named for Benjamin Franklin
Altitude 719 feet / 219 meters
Capital Greenfield
Establishment January 01, 1811
Time Zone America/New_York
Local time 06:10:34 (16th April 2026)
Density 706 Pop. per km² as of 2020
Population growth 12.17% (2010-2020)
Weather 80℉ Chance Rain Showers 7-days weather
Franklin County Courthouse Greenfield image
Franklin County Courthouse Greenfield image

Geography

Franklin County is located at 39°58'10"N 83°0'34"W (39.9695200, -83.0093500). It has 6 neighbors: Berkshire County, Hampshire County, Worcester County, Cheshire County, Bennington County and Windham County.

Franklin County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Franklin County is Columbus with a population of 884,356. Other cities include, Dublin population 49,372, Grove City population 41,820, Reynoldsburg population 38,374 and Hilliard population 36,797. See all Franklin County cities & populated places.

Franklin County Populated Places (more)

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

City Name Population Title
Columbus 884,356 The fifteenth most populous city in the United States and the center of the Columbus metropolitan area.
Dublin 49,372 A city in Franklin County, Ohio.
Grove City 41,820 A city in Summit County, Ohio.
Reynoldsburg 38,374 City in Ohio
Hilliard 36,797 City in Ohio
Gahanna 35,531 City in Franklin County, Ohio, United States of America
Upper Arlington 34,907 City in Ohio
Westerville 32,567 City in Ohio
Truro 28,759 Township in Franklin County, Ohio
Whitehall 18,908 Road in the City of Westminster, in central London
Worthington 14,760 City in and county seat of Nobles County, Minnesota, United States
Bexley 13,751 City in Franklin County, Ohio, United States of America
New Albany 11,072 City in Ohio
Coventry 10,872 Township in Summit County, Ohio
Canal Winchester 9,130 Town near Columbus, Ohio
Grandview Heights 9,084 City in Franklin County, Ohio, United States of America

Weather

80°F
Chance Rain Showers
8 to 15 mph SW Thursday

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

7-Day Forecast

Official website of Franklin County

Official Website
  • Greenfield

Demographics

The population of Franklin County increased by 12.17% in 10 years.

Year Population % Change Method
2010 1,163,414 - census
2011 1,180,800 1.47% estimation process
2012 1,199,045 1.52% estimation process
2013 1,218,878 1.63% estimation process
2014 1,238,362 1.57% estimation process
2015 1,257,386 1.51% estimation process
2016 1,274,450 1.34% estimation process
2017 1,295,510 1.63% estimation process
2018 1,307,698 0.93% estimation process
2019 1,316,756 0.69% estimation process
2020 1,324,624 0.59% estimation process
Map of countries with a smaller population than Franklin County
Comitatul Franklin, Comte de Franklin, Comté de Franklin, Condado de Franklin, Condado han Franklin, Contea di Franklin, Franklin, Franklin Comitatus, Franklin Kun, Franklin Kūn, Franklin konderria, Franklin megye, Franklini maakond, Franklinin piirikunta, Hrabstwo Franklin, Okrug Frenklin, Quan Franklin, Quận Franklin, fu lan ke lin xian, furankurin jun, mqatʿt frankln, phrankalina ka'unti, shhrstan franklyn awhayw, Округ Френклин, Франклин, Франклін, شهرستان فرانکلین، اوهایو, فرینکلن کاؤنٹی، اوہائیو, مقاطعة فرانكلن, ফ্রাঙ্কলিন কাউন্টি, フランクリン郡, 富兰克林县

People born in Franklin County (3)

People born in Franklin County, including United States geologist and Congregationalist clergyman Edward Hitchcock, historian from the United States Conrad Totman, missionary Juliette Montague Cooke, .

More notable people

Other places with the same name (23)

Ohio Other Counties (more counties)

County Name Population Title
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
Delaware County 213,554 County in Ohio, United States