Wilmington, Clinton County, Ohio

Wilmington: City in Clinton County, Ohio, United States


Wilmington is a city located in the county of Clinton in the U.S. state of Ohio. Its population at the 2010 census was 12,520 and a population density of 442 people per km². After 10 years in 2020 city had an estimated population of 12,399 inhabitants.

The city was created 213 years ago in 1809.

Quick Facts about Wilmington

Population : 12,399 (2020)
Country : United States of America
State : Ohio (United States)
County : Clinton County
Postal code : 45177
Phone Area Codes : 927
Area : 28.31 km2
Altitude : 1,017 feet / 310 meters
Capital city : Wilmington is capital of Clinton County
Establishment : January 01, 1810 (213 years ago)
Time Zone : America/New_York
Local time : 13:24:35 (25th March 2023)
Density : 438 Pop. per km² as of 2020
Population growth : -0.98% (2010-2020)
Wilmington locator map
Location of Wilmington on Ohio map.
Clinton County Courthouse Ohio image
Clinton County Courthouse Ohio
Clinton County Courthouse Ohio image


Wilmington is located at 39°26'43"N 83°49'43"W (39.4453400, -83.8285400).

Wilmington map


According to census records, the population of Wilmington decreased by 0.98% in 10 years.

Year Population % Change Method
2010 12,520 - census
2011 12,477 -0.34% estimation process
2012 12,431 -0.37% estimation process
2013 12,415 -0.13% estimation process
2014 12,360 -0.44% estimation process
2015 12,416 0.45% estimation process
2016 12,377 -0.32% estimation process
2017 12,397 0.16% estimation process
2018 12,416 0.15% estimation process
2019 12,366 -0.4% estimation process
2020 12,399 0.27% estimation process

Wilmington zip code is 45177. County name: Clinton, County fips: 39027

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People born in Wilmington (29)

People born in Wilmington, including politician Alfred G. Allen, politician Andrew J. Harlan, musician Norris Turney, .


Schools in Wilmington

College & universities near Wilmington, OH

Code Name City ZIP
206507 Wilmington College Wilmington (OH) 45177

Stations (6)

Amtrak & bus stations near Wilmington, OH

Code Name Address Type
CIG Cincinnati, OH 1005 Gilbert Avenue BUS
CIN Cincinnati Museum Center at Union Terminal 1301 Western Ave. RAIL
MAY Maysville West Front St & Rosemary Clooney St RAIL
COL Columbus, OH 111 East Town Street BUS
SPM South Portsmouth–South Shore station Main St & US 23 RAIL

Post offices near Wilmington

Post Office Name City ZIP
Wilmington Post Office Wilmington (OH) 45177

Other places with the same name (10)

Other cities in Clinton County

Cities, Towns, Neighborhoods & Other Populated Places in Clinton County , OH.

City Name Population Title
Blanchester 4,256 Village in the United States
Sabina 2,562 Human settlement in Clinton County, Ohio, United States of America
Clinton 1,206 City and the county seat of Clinton County, Iowa
New Vienna 1,201 City in Clinton County, Ohio, United States
Martinsville 439 Human settlement in Clinton County, Ohio, United States of America
Mount Pleasant 438 Village in Jefferson County, Ohio, United States
Midland 317 Town in Ohio
Port William 247 Village in Ohio

Distance to Other Cities

Wilmington distances to largest Ohio cities