Eldorado, Ohio

Eldorado: human settlement in Preble County, Ohio, United States of America

About

Eldorado is a city located in the county of Butler in the U.S. state of Ohio. Its population at the 2010 census was 509 and a population density of 860 people per km². After 10 years in 2020 city had an estimated population of 490 inhabitants.

Quick Facts about Eldorado

Population 490 (2020)
Country United States of America
State Ohio (United States)
County Butler County
Postal code 45321
Area 0.59 km2
Latitude & Longitude 39.5126,-84.3666
Altitude 1,135 feet / 346 meters
Time Zone America/New_York
Local time 06:54:00 (19th April 2026)
Density 828 Pop. per km² as of 2020
Population growth -3.88% (2010-2020)
Weather 60℉ Sunny 7-days weather

Geography

Eldorado is located at 39°30'45"N 84°21'60"W (39.5125600, -84.3666100).

Eldorado map

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

Weather

60°F
Sunny
6 to 16 mph W Sunday

Sunny, with a high near 60. West wind 6 to 16 mph, with gusts as high as 26 mph.

7-Day Forecast

Demographics

According to census records, the population of Eldorado decreased by 3.88% in 10 years.

Year Population % Change Method
2010 509 - census
2011 507 -0.39% estimation process
2012 505 -0.4% estimation process
2013 504 -0.2% estimation process
2014 501 -0.6% estimation process
2015 497 -0.8% estimation process
2016 495 -0.4% estimation process
2017 494 -0.2% estimation process
2018 493 -0.2% estimation process
2019 490 -0.61% estimation process
2020 490 0% estimation process
Eldorado zip code is 45321. County name: Preble, County fips: 39135

Nearby Schools and Colleges

Schools and campuses linked to Eldorado, OH. Select a name to open its map and contact details.

Code Name City ZIP
204015 Miami University-Middletown Middletown (OH) 45042
201496 Butler Technology and Career Development Schools Monroe (OH) 45050

Nearby Transit Stations (4)

Rail and bus stations connected to Eldorado, OH. Select a station to open its map and address details.

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

Closest post offices linked to Eldorado.

Post Office Name City ZIP
Middletown Post Office Middletown (OH) 45042

Other places with the same name (6)

  • Eldorado, Illinois city in Saline County, Illinois, United States with a population of 3,837 people.
  • Eldorado, Texas city in Texas, United States with a population of 1,566 people.
  • Eldorado, Wisconsin town in Fond du Lac County, Wisconsin, United States with a population of 1,456 people.
  • Eldorado, Oklahoma town in Jackson County, Oklahoma with a population of 401 people.
  • Eldorado, Nebraska human settlement in United States of America with a population of 98 people.
  • Eldorado, Maryland town in Dorchester County, Maryland, United States with a population of 57 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
Monroe 14,183 City in Ohio, United States
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
Wetherington 1,302 Census-designated place in Butler County, Ohio
Fairfield 1,091 City in Ohio, United States
Auburn 1,043 Township in Tuscarawas County, Ohio
Seven Mile 789 Village in Butler County, Ohio