Monroe is a city located in the county of Butler in the U.S. state of Ohio. Its population at the 2010 census was 12,442 and a population density of 783 people per km². After 10 years in 2020 city had an estimated population of 14,183 inhabitants.Location of Monroe on Ohio map.
Quick Facts about Monroe
Population :
14,183 (2020)
Country :
United States of America
State :
Ohio (United States)
County :
Butler County
Different from :
Monroe County
Phone Area Codes :
513
Area :
15.89 km2
Altitude :
833 feet / 254 meters
Time Zone :
Eastern Time Zone
Local time :
19:23:24 (9th February 2026)
Postal code :
45050
Density :
893 Pop. per km² as of 2020
Population growth :
12.28% (2010-2020)
Hughes ManorHughes Manor image
Geography
Monroe is located at 39°26'25"N 84°21'44"W (39.4403400, -84.3621600).
Monroe map
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Official website of Monroe
Official Website
Demographics
The population of Monroe increased by 12.28% in 10 years.
Population by years (2010 - 2020)
Year
Population
% Change
Method
2010
12,442
-
census
2011
12,692
1.97%
estimation process
2012
12,839
1.14%
estimation process
2013
13,058
1.68%
estimation process
2014
13,257
1.5%
estimation process
2015
13,379
0.91%
estimation process
2016
13,498
0.88%
estimation process
2017
13,684
1.36%
estimation process
2018
13,868
1.33%
estimation process
2019
14,028
1.14%
estimation process
2020
14,183
1.09%
estimation process
What is ZIP code for Monroe
Monroe zip code is 45050. County name: Butler, County fips: 39017
Alternate Unofficial Names for Monroe
Monro, Monroe, Monroe (Ohio), Monroe Station, Monroj, mwnrw, mwnrw awhayw, Монро, Монрой, مونرو, مونرو، اوهایو
Best Things to Do in Monroe
1 Monroe Community Park
Rating: 4.6 (452)
412 Old St, Monroe, OH 45050, United States ➦ Show Map
☎ +15137278953 🔗 Url
2 Monroe Crossings Park
Rating: 4.2 (98)
Crossings Blvd, Monroe, OH 45050, United States ➦ Show Map
☎ 🔗 Url
Other Places in Monroe
1 Lemon Twp Hall
6393 Hamilton Lebanon Rd, Monroe, OH 45050 ➦ Show Map
☎ +15135398276 🔗 Url
Schools in Monroe
College & universities near Monroe, OH
Code
Name
City
ZIP
201496
Butler Technology and Career Development Schools
Monroe (OH)
45050
Stations (4)
Amtrak & bus stations near Monroe, OH
Code
Name
Address
Type
CIG
Cincinnati, OH
1005 Gilbert Avenue
BUS
CIN
Cincinnati Museum Center at Union Terminal
1301 Western Ave.
RAIL
COI
Connersville station
1012 Eastern Avenue
RAIL
MAY
Maysville
West Front St & Rosemary Clooney St
RAIL
Post Office
Post offices near Monroe
Post Office Name
City
ZIP
Monr Post Office
Monroe (OH)
45050
Other places with the same name (19)
Monroe , Louisiana The most populous city in Ouachita Parish, Louisiana. It is located on the Ouachita River in the southwestern part of the state. Monroe is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Monroe Historical Society and the Monroe City Hall. with a population of 46,998 people.
Monroe , New Jersey township in Gloucester County, New Jersey with a population of 44,884 people.
Monroe , North Carolina city in and county seat of Union County, North Carolina, United States with a population of 35,668 people.
Monroe , Washington city in Snohomish County, Washington, United States with a population of 20,681 people.
Monroe , Connecticut town in Fairfield County, Connecticut, United States with a population of 19,328 people.
Monroe , Georgia city in and the county seat of Walton County, Georgia, United States of America with a population of 13,979 people.
Monroe , New York town in New York, United States with a population of 9,351 people.
Monroe , Utah city in Sevier County, Utah, United States with a population of 2,383 people.
Monroe , Iowa city in Jasper County, Iowa, United States with a population of 1,905 people.
Monroe , Wisconsin city in and the county seat of Green County, Wisconsin, United States with a population of 1,236 people.
Monroe , Maine town in Waldo County, Maine, United States with a population of 948 people.
Monroe , Indiana civil town in Adams County, Wisconsin, United States with a population of 882 people.
Monroe , New Hampshire town in New Hampshire, United States with a population of 807 people.
Monroe , Oregon city in Oregon, USA with a population of 657 people.
Monroe , Pennsylvania borough in Bradford County, Pennsylvania, United States with a population of 511 people.
Monroe , Michigan city in and county seat of Monroe County, Michigan, United States with a population of 326 people.
Monroe , Nebraska township in Platte County, Nebraska with a population of 273 people.
Monroe , South Dakota town in South Dakota, United States of America with a population of 186 people.
Other cities in Butler County
Cities, towns, neighborhoods & other populated places in Butler County , OH. (more)
City Name
Population
Title
Hamilton
62,148
The most populous city in Butler County, Ohio.
Middletown
46,140
The most populous city in Butler County, Ohio.
Upper Arlington
35,369
City in Ohio
Oxford
23,535
City in Butler County, Ohio, United States of America
Lemon
15,647
Township of Ohio
Macedonia
12,029
City in Summit County, Ohio, United States
Beckett Ridge
9,187
Census-designated place in Butler County, Ohio
Mayfield
3,347
Village in Cuyahoga County, Ohio, United States of America
Reily
2,808
Township of Ohio
Trenton
2,691
City in Ohio
New Miami
2,395
City in Butler County, Ohio, United States of America
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