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Greater Dayton
Dayton, OH Metropolitan Statistical Area
City of Dayton skyline from Woodland Cemetery and Arboretum
City of Dayton skyline from Woodland Cemetery and Arboretum
Country United States
State Ohio
Largest city Dayton
Other cities (Suburbs)  - Kettering
 - Beavercreek
 - Huber Heights
 - Fairborn
 - Centerville
 - Miamisburg
 - West Carrollton
 • Total 1,715 sq mi (4,440 km2)
 • Total 814,049
 • Rank 73rd in the U.S.
 • Density 478/sq mi (185/km2)
Time zone UTC−05:00 (Eastern Standard Time)
 • Summer (DST) UTC−04:00 (Eastern Daylight Time)

The Dayton, OH Metropolitan Statistical Area, also known as Greater Dayton and the Miami Valley, as defined by the United States Census Bureau, is an area consisting of three counties in the Miami Valley region of Ohio and is anchored by the city of Dayton. As of 2020, it is the fourth largest metropolitan area in Ohio and the 73rd largest metropolitan area by population in the United States with a population of 814,049.


Dayton Metropolitan Area (also known as Greater Dayton), as defined by the United States Census Bureau, is an area consisting of three counties in the Miami Valley region of Ohio and is anchored by the city of Dayton. As of 2000 it is the fourth largest metropolitan area in Ohio and the 61st largest Metropolitan Area by Population in the United States. As of the 2010 census, the MSA had a population of 799,232 based on a change in MSA defining criteria as of 2013, which eliminated Preble County. This exclusion was applied retroactively to the 2010 population figures.

The Dayton-Springfield-Greenville-Sidney Combined Statistical Area is a CSA in the U.S. state of Ohio, as defined by the United States Census Bureau. It consists of the Dayton Metropolitan Statistical Area (the counties of Montgomery, Greene and Miami); the Springfield Metropolitan Statistical Area (Clark County); the Urbana Micropolitan Statistical Area (Champaign County); the Greenville Micropolitan Statistical Area (Darke County); and the Sidney Micropolitan Statistical Area (Shelby County). As of the 2010 Census, the CSA had a population of 1,080,044.

According to an article in the Cincinnati Enquirer, as Greater Cincinnati grows northward through Butler County, its outer suburbs are expected to expand and begin to overlap the Greater Dayton area. Such a concept has already received the nickname of "Daytonnati." The two metropolitan areas were expected to be combined after tabulation of the 2010 Census, but this did not occur.

The Dayton Metropolitan area is part of the Great Lakes Megalopolis containing an estimated 54 million people.



Suburban communities greater than 30,000

Montgomery County

Dayton Skyline
City of Dayton skyline from Woodland Cemetery and Arboretum

Greene County

Miami County

Places with fewer than 1,000 inhabitants

Unincorporated places


Greene County

Clifton Gorge P4260050
Clifton Gorge in John Bryan State Park, near Yellow Springs
  • Bath Township
  • Beavercreek Township
  • Caesarscreek Township
  • Cedarville Township
  • Jefferson Township
  • Miami Township
  • New Jasper Township
  • Ross Township
  • Silvercreek Township
  • Spring Valley Township
  • Sugarcreek Township
  • Xenia Township

Miami County

  • Bethel Township
  • Brown Township
  • Concord Township
  • Elizabeth Township
  • Lostcreek Township
  • Monroe Township
  • Newberry Township
  • Newton Township
  • Springcreek Township
  • Staunton Township
  • Union Township
  • Washington Township

Montgomery County

  • Butler Township
  • Clay Township
  • German Township
  • Harrison Township
  • Jackson Township
  • Jefferson Township
  • Miami Township
  • Perry Township
  • Washington Township


Historical population
Census Pop.
1900 161,759
1910 193,496 19.6%
1920 289,181 49.5%
1930 358,041 23.8%
1940 383,975 7.2%
1950 545,723 42.1%
1960 727,121 33.2%
1970 850,266 16.9%
1980 830,070 −2.4%
1990 843,835 1.7%
2000 848,153 0.5%
2010 799,232 −5.8%
2020 814,049 1.9%
Population 1990-2010 with 2011 estimate.

As of the census 2010, there were 799,232 people, 343,971 households, and 220,249 families residing within the MSA. The racial makeup of the MSA was 80.40% White, 14.90% African American, 0.20% Native American, 1.80% Asian, 0.01% Pacific Islander, 0.80% from other races, and 2.00% from two or more races. Hispanic or Latino of any race were 1.90% of the population.

The median income for a household in the MSA was $47,381, and the median income for a family was $59,770. Males had a median income of $38,430 versus $26,205 for females. The per capita income for the MSA was $25,436.

From the 2000 Census to the 2010 Census, the Dayton region has seen a shift in population from its urban core to more out-lying affluent suburbs. This is evidenced by a 10% growth in population in Englewood, a 19% population growth in Beavercreek, and a 40% population growth in Springboro. Smaller growths in the 2010 census in the Dayton area included Miamisburg, Centerville, Vandalia, and Fairborn. Many of Dayton's suburbs that saw declines in populations fared well from 2000 to 2010. Dayton's largest suburb, Kettering for example, only saw a 2.3% decline during the ten-year period and Huber Heights, Dayton's third largest suburb, saw a 0.3% decline in population.

The Dayton Metropolitan Statistical Area formerly included Clark County and Preble County. In 2005, Clark County containing Springfield, Ohio separated from the Dayton MSA to create their own MSA named Springfield Metropolitan Statistical Area. As a result of new Census criteria to delineate metropolitan areas, Preble County was eliminated from the MSA in 2013 as it no longer qualified for inclusion. A significant drop in population for the Dayton MSA is noted in the 2010 census because of these changes.

County 2020 Census 2010 Census Change Area Density
Montgomery County 537,309 535,153 &10000000000000000402875+0.40% 464 sq mi (1,200 km2) 1,158/sq mi (447/km2)
Greene County 167,966 161,573 &10000000000000003956725+3.96% 416 sq mi (1,080 km2) 404/sq mi (156/km2)
Miami County 108,774 102,506 &10000000000000006114764+6.11% 410 sq mi (1,100 km2) 265/sq mi (102/km2)


Global Medic 130726-F-AF679-968
Equipment is unloaded from a C-17A Globemaster III of the 89th Airlift Squadron based at Wright-Patterson Air Force Base.


Greater Dayton is served by international, regional and county airports, including:

  • Dahio Trotwood Airport
  • Dayton International Airport
  • Dayton–Wright Brothers Airport
  • Greene County–Lewis A. Jackson Regional Airport
  • Moraine Airpark
  • Wright-Patterson Air Force Base

Major highways

Public transit

The Greater Dayton Regional Transit Authority operates a public busing system in Montgomery county. Other transit agencies serve the surrounding counties and provide connections with RTA, including transit authorities in Greene and Miami counties.




In addition to Benjamin and Marian Schuster Performing Arts Center, the Dayton Region's largest performing arts center, Greater Dayton has a vibrant theater community throughout the region.

Theatrical companies

Images for kids

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