Montgomery County, Ohio
Montgomery County is in the southwestern part of the U.S. state of Ohio. At the 2020 census, the population was 537,309,[1] making it the fifth-most populous county in Ohio. The county seat is Dayton.[2] The county was named in honor of Richard Montgomery, an American Revolutionary War general, who was killed in 1775 while attempting to capture Quebec City, Canada.[3] Montgomery County is part of the Dayton, Ohio, Metropolitan Statistical Area.
Geography
[edit | edit source]The county has a total area of 464 square miles (1,200 km2), of which 462 square miles (1,200 km2) is land and 2.8 square miles (7.3 km2) (0.6%) is water.[4]
Adjacent counties
[edit | edit source]- Miami County (north)
- Clark County (northeast)
- Greene County (east)
- Warren County (south)
- Butler County (southwest)
- Preble County (west)
- Darke County (northwest)
Major highways
[edit | edit source]- File:I-70.svg Interstate 70
- File:Alternate plate blue.svg
File:I-70.svg Interstate 70 Alternate - File:I-75.svg Interstate 75
- File:I-675.svg Interstate 675
- File:US 25.svg U.S. Route 25
- File:US 35.svg U.S. Route 35
- File:US 40.svg U.S. Route 40
- File:OH-4.svg State Route 4
- File:OH-48.svg State Route 48
- File:OH-49.svg State Route 49
- File:OH-123.svg State Route 123
- File:OH-201.svg State Route 201
- File:OH-202.svg State Route 202
- File:OH-235.svg State Route 235
- File:OH-444.svg State Route 444
- File:OH-725.svg State Route 725
- File:OH-741.svg State Route 741
- File:OH-835.svg State Route 835
National protected area
[edit | edit source]Demographics
[edit | edit source]2020 census
[edit | edit source]As of the 2020 census, the county had a population of 537,309. The median age was 39.6 years. 21.7% of residents were under the age of 18 and 18.5% of residents were 65 years of age or older. For every 100 females there were 93.3 males, and for every 100 females age 18 and over there were 90.5 males age 18 and over.[5][6]
The racial makeup of the county was 67.9% White, 21.2% Black or African American, 0.3% American Indian and Alaska Native, 2.4% Asian, <0.1% Native Hawaiian and Pacific Islander, 1.9% from some other race, and 6.3% from two or more races. Hispanic or Latino residents of any race comprised 3.9% of the population.[6]
94.5% of residents lived in urban areas, while 5.5% lived in rural areas.[7]
There were 228,536 households in the county, of which 27.0% had children under the age of 18 living in them. Of all households, 38.6% were married-couple households, 21.5% were households with a male householder and no spouse or partner present, and 32.5% were households with a female householder and no spouse or partner present. About 34.3% of all households were made up of individuals and 13.8% had someone living alone who was 65 years of age or older.[5]
There were 251,523 housing units, of which 9.1% were vacant. Among occupied housing units, 60.2% were owner-occupied and 39.8% were renter-occupied. The homeowner vacancy rate was 1.5% and the rental vacancy rate was 8.4%.[5]
Racial and ethnic composition
[edit | edit source]| Race / Ethnicity (NH = Non-Hispanic) | Pop 1980[8] | Pop 1990[9] | Pop 2000[10] | Pop 2010[11] | Pop 2020[12] | % 1980 | % 1990 | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| White alone (NH) | 468,421 | 460,568 | 424,183 | 388,917 | 360,396 | 81.94% | 80.27% | 75.87% | 72.67% | 67.07% |
| Black or African American alone (NH) | 94,025 | 101,421 | 110,454 | 111,105 | 112,818 | 16.45% | 17.68% | 19.76% | 20.76% | 21.00% |
| Native American or Alaska Native alone (NH) | 669 | 1,019 | 1,182 | 1,096 | 937 | 0.12% | 0.18% | 0.21% | 0.20% | 0.17% |
| Asian alone (NH) | 3,214 | 5,757 | 7,267 | 9,195 | 12,714 | 0.56% | 1.00% | 1.30% | 1.72% | 2.37% |
| Native Hawaiian or Pacific Islander alone (NH) | x [13] | x [14] | 176 | 163 | 244 | x | x | 0.03% | 0.03% | 0.05% |
| Other race alone (NH) | 1,209 | 505 | 949 | 924 | 2,588 | 0.21% | 0.09% | 0.17% | 0.17% | 0.48% |
| Mixed race or Multiracial (NH) | x [15] | x [16] | 7,755 | 11,576 | 26,433 | x | x | 1.39% | 2.16% | 4.92% |
| Hispanic or Latino (any race) | 4,159 | 4,539 | 7,096 | 12,177 | 21,179 | 0.73% | 0.79% | 1.27% | 2.28% | 3.94% |
| Total | 571,697 | 573,809 | 559,062 | 535,153 | 537,309 | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
2010 census
[edit | edit source]As of the 2010 census, there were 535,153 people, 223,943 households, and 138,060 families living in the county.[17] The population density was 1,159.5 inhabitants per square mile (447.7/km2). There were 254,775 housing units at an average density of 552.0 per square mile (213.1/km2).[18] The racial makeup of the county was 73.9% white, 20.9% black or African American, 1.7% Asian, 0.2% American Indian, 0.8% from other races, and 2.4% from two or more races. Those of Hispanic or Latino origin made up 2.3% of the population.[17] In terms of ancestry, 24.9% were German, 12.8% were Irish, 9.7% were American, and 8.8% were English.[19]
Of the 223,943 households, 29.7% had children under the age of 18 living with them, 41.6% were married couples living together, 15.3% had a female householder with no husband present, 38.4% were non-families, and 32.2% of all households were made up of individuals. The average household size was 2.33, and the average family size was 2.94. The median age was 39.2 years.[17]
The median income for a household in the county was $43,965, and the median income for a family was $56,559. Males had a median income of $45,680 versus $34,991 for females. The per capita income for the county was $24,828. About 11.7% of families and 15.7% of the population were below the poverty line, including 22.7% of those under age 18 and 8.7% of those aged 65 or over.[20]
2000 census
[edit | edit source]As of the census of 2000, there were 559,062 people, 229,229 households, and 146,935 families living in the county. The population density was 1,211 people per square mile (468 people/km2). There were 248,443 housing units at an average density of 538 per square mile (208/km2). The racial makeup of the county was 76.57% White, 19.86% Black or African American, 0.23% Native American, 1.31% Asian, 0.04% Pacific Islander, 0.49% from other races, and 1.51% from two or more races. 1.27% of the population were Hispanic or Latino of any race.
There were 229,229 households, out of which 29.60% had children under the age of 18 living with them, 46.30% were married couples living together, 13.80% had a female householder with no husband present, and 35.90% were non-families. 30.40% of all households were made up of individuals, and 10.10% had someone living alone who was 65 years of age or older. The average household size was 2.37, and the average family size was 2.96.
In the county, the population was spread out, with 24.70% under the age of 18, 9.70% from 18 to 24, 29.00% from 25 to 44, 22.90% from 45 to 64, and 13.70% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 92.30 males. For every 100 females age 18 and over, there were 88.60 males.
The median income for a household in the county was $40,156, and the median income for a family was $50,071. Males had a median income of $38,710 versus $27,297 for females. The per capita income for the county was $21,743. About 8.30% of families and 11.30% of the population were below the poverty line, including 15.60% of those under age 18 and 8.20% of those age 65 or over.
Politics
[edit | edit source]Montgomery County has been a slightly Democratic-leaning swing county since the Civil War. After voting consistently Democratic in presidential elections from 1992 to 2012, Republican Donald Trump narrowly defeated Democrat Hillary Clinton in the county in 2016. The last Democrat to win the county by double digits was Lyndon B. Johnson in 1964, while the last Republican to do so was George H. W. Bush in 1988.
| Year | Republican | Democratic | Third party | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1856 | 4,038 | 46.34% | 4,285 | 49.17% | 391 | 4.49% |
| 1860 | 4,974 | 50.07% | 4,710 | 47.41% | 251 | 2.53% |
| 1864 | 5,554 | 51.21% | 5,291 | 48.79% | 0 | 0.00% |
| 1868 | 6,502 | 51.54% | 6,113 | 48.46% | 0 | 0.00% |
| 1872 | 6,998 | 49.17% | 7,183 | 50.47% | 50 | 0.35% |
| 1876 | 7,921 | 46.82% | 8,971 | 53.02% | 27 | 0.16% |
| 1880 | 9,726 | 48.28% | 10,332 | 51.28% | 89 | 0.44% |
| 1884 | 11,524 | 50.12% | 11,326 | 49.26% | 143 | 0.62% |
| 1888 | 12,491 | 47.89% | 13,142 | 50.38% | 451 | 1.73% |
| 1892 | 13,197 | 46.88% | 14,067 | 49.97% | 888 | 3.15% |
| 1896 | 18,333 | 53.56% | 15,540 | 45.40% | 359 | 1.05% |
| 1900 | 19,606 | 53.55% | 16,236 | 44.34% | 772 | 2.11% |
| 1904 | 22,144 | 58.70% | 13,933 | 36.93% | 1,648 | 4.37% |
| 1908 | 20,069 | 47.09% | 20,566 | 48.26% | 1,980 | 4.65% |
| 1912 | 10,341 | 26.15% | 15,544 | 39.31% | 13,653 | 34.53% |
| 1916 | 19,683 | 41.99% | 24,339 | 51.92% | 2,853 | 6.09% |
| 1920 | 46,493 | 51.67% | 38,433 | 42.72% | 5,049 | 5.61% |
| 1924 | 50,845 | 62.61% | 21,860 | 26.92% | 8,505 | 10.47% |
| 1928 | 71,279 | 64.53% | 38,517 | 34.87% | 665 | 0.60% |
| 1932 | 49,267 | 46.60% | 51,270 | 48.50% | 5,180 | 4.90% |
| 1936 | 44,742 | 35.02% | 76,430 | 59.81% | 6,606 | 5.17% |
| 1940 | 57,866 | 40.20% | 86,084 | 59.80% | 0 | 0.00% |
| 1944 | 63,336 | 43.47% | 82,367 | 56.53% | 0 | 0.00% |
| 1948 | 60,048 | 43.48% | 76,879 | 55.66% | 1,187 | 0.86% |
| 1952 | 91,905 | 53.51% | 79,860 | 46.49% | 0 | 0.00% |
| 1956 | 107,278 | 58.45% | 76,270 | 41.55% | 0 | 0.00% |
| 1960 | 109,602 | 52.71% | 98,325 | 47.29% | 0 | 0.00% |
| 1964 | 71,979 | 36.24% | 126,633 | 63.76% | 0 | 0.00% |
| 1968 | 84,766 | 40.93% | 96,082 | 46.39% | 26,272 | 12.68% |
| 1972 | 120,998 | 58.02% | 82,231 | 39.43% | 5,323 | 2.55% |
| 1976 | 100,223 | 47.40% | 106,468 | 50.35% | 4,745 | 2.24% |
| 1980 | 101,443 | 45.49% | 105,110 | 47.13% | 16,456 | 7.38% |
| 1984 | 137,053 | 58.97% | 94,016 | 40.45% | 1,333 | 0.57% |
| 1988 | 131,596 | 57.48% | 95,737 | 41.82% | 1,610 | 0.70% |
| 1992 | 104,751 | 40.02% | 108,017 | 41.27% | 48,952 | 18.70% |
| 1996 | 95,391 | 41.30% | 115,469 | 50.00% | 20,097 | 8.70% |
| 2000 | 109,792 | 47.53% | 114,597 | 49.61% | 6,598 | 2.86% |
| 2004 | 138,371 | 48.97% | 142,997 | 50.60% | 1,216 | 0.43% |
| 2008 | 128,679 | 46.12% | 145,997 | 52.32% | 4,355 | 1.56% |
| 2012 | 124,841 | 46.81% | 137,139 | 51.42% | 4,727 | 1.77% |
| 2016 | 123,909 | 47.68% | 122,016 | 46.95% | 13,951 | 5.37% |
| 2020 | 129,034 | 47.94% | 135,064 | 50.18% | 5,066 | 1.88% |
| 2024 | 125,566 | 48.95% | 126,767 | 49.41% | 4,211 | 1.64% |
| 2016 | 1 | 33.33% | 1 | 33.33% | 1 | 33.33% |
Template:U.S. SenHead Template:U.S. SenRow Template:U.S. SenFoot
Government
[edit | edit source]Montgomery County Officials
[edit | edit source]| Office | Officeholder | Party |
|---|---|---|
| Montgomery County Commissioner | Judy Dodge | Democratic |
| Montgomery County Commissioner | Mary McDonald | Republican |
| Montgomery County Commissioner | Carolyn Rice | Democratic |
| Auditor | Karl Keith | Democratic |
| Clerk of Courts | Mike Foley | Republican |
| Coroner | Kent Harshbarger | Republican |
| Engineer | Andrew Shahan | Democratic |
| Prosecutor | Mathias Heck Jr. | Democratic |
| Recorder | Lori Kennedy | Republican |
| Sheriff | Rob Streck | Republican |
| Treasurer | John McManus | Republican |
Ohio House of Representatives
[edit | edit source]| District | Representative | Party |
|---|---|---|
| 36 | Andrea White | Republican |
| 37 | J. Thomas Young | Republican |
| 38 | Desiree Tims | Democratic |
| 39 | Phil Plummer | Republican |
| 40 | Rodney Creech | Republican |
Ohio State Senate
[edit | edit source]| District | Senator | Party |
|---|---|---|
| 5 | Stephen Huffman | Republican |
| 6 | Willis Blackshear | Democratic |
United States House of Representatives
[edit | edit source]| District | Representative | Party |
|---|---|---|
| 10 | Mike Turner | Republican |
United States Senate
[edit | edit source]| Senator | Party |
|---|---|
| Bernie Moreno | Republican |
| Jon Husted | Republican |
Education
[edit | edit source]Post-secondary institutions
[edit | edit source]Public
[edit | edit source]- Air Force Institute of Technology (actually located in Wright-Patterson AFB, Ohio).
- Sinclair Community College
- Wright State University (actually located in neighboring Greene County, Ohio, but uses a Dayton address).
Private
[edit | edit source]Public schools
[edit | edit source]The following public school districts are located partially or entirely in Montgomery County:[22]
- Local School Districts
- Brookville Local School District
- Brookville High School, Brookville (the Blue Devils)
- Carlisle Local School District
- Carlisle High School, Carlisle (the Indians)
- Jefferson Township Local School District
- Jefferson Township High School, Dayton (the Broncos)
- Mad River Local School District
- New Lebanon Local School District
- Dixie High School, Dixie (the Greyhounds)
- Northmont City School District
- Northridge Local School District
- Northridge High School (the Polar Bears)
- Preble Shawnee Local School District
- Tri-County North Local School District
- Valley View Local School District
- Valley View High School, Germantown (the Spartans)
- Brookville Local School District
- City School Districts
- Beavercreek City School District
- Centerville City School District
- Centerville High School, Centerville (the Elks)
- Dayton Public Schools
- Belmont High School for Computer Technology/Engineering, Dayton (the Bison)
- Thurgood Marshall High School for the Arts, Dayton (the Cougars)
- Dayton Early College Academy, Dayton
- Dunbar High School for Professional Studies, Dayton (the Wolverines)
- Meadowdale High School for Cultural Studies/International Baccalaureate, Dayton (the Lions)
- Stivers School for the Arts, Dayton (Tigers)
- Fairborn City School District
- Huber Heights City School District
- Wayne High School, Huber Heights (the Warriors)
- Kettering City School District
- Fairmont High School, Kettering (the Firebirds)
- (merger of the former Fairmont East and Fairmont West high schools (the East Falcons and the West Dragons)
- Fairmont High School, Kettering (the Firebirds)
- Miamisburg City School District
- Miamisburg High School, Miamisburg (the Vikings)
- Northmont City School District
- Northmont High School, Clayton (the Thunderbolts)
- Oakwood City School District
- Oakwood High School, Oakwood (the Lumberjacks)
- Springboro Community City School District
- Trotwood-Madison City School District
- Trotwood-Madison High School, Trotwood (the Rams)
- Vandalia-Butler City School District
- Butler High School, Vandalia (the Aviators)
- West Carrollton City School District
- West Carrollton High School, West Carrollton (the Pirates)
There is also a public independent (not a part of any school district) STEM school:
Private schools
[edit | edit source]The following private high schools are located in Montgomery County:
- Archbishop Alter High School, Kettering (the Knights) (Roman Catholic)
- Carroll High School, Dayton (the Patriots) (Roman Catholic)
- Chaminade Julienne High School, Dayton (Eagles) (Roman Catholic/Marianist)
- Dayton Christian High School, Dayton (the Warriors) (nondenominational Christian)
- Dominion Academy, Dayton (the Sabers) (Christ the King Anglican Church)
- The Miami Valley School, Dayton (the Rams) (nonsectarian)
- Salem Christian Academy, Clayton
- Spring Valley Academy, Centerville (Seventh-day Adventist)
Communities
[edit | edit source]
Cities
[edit | edit source]- Brookville
- Carlisle (mostly in Warren County)
- Centerville (partly in Greene County)
- Clayton
- Dayton (county seat)
- Englewood
- Germantown
- Huber Heights (partly in Miami County)
- Kettering (partly in Greene County)
- Miamisburg
- Moraine
- Oakwood
- Riverside
- Springboro (mostly in Warren County)
- Trotwood
- Union (mostly in Montgomery County)
- Vandalia
- West Carrollton
Villages
[edit | edit source]- Farmersville
- New Lebanon
- Phillipsburg
- Verona (mostly in Preble County)
Townships
[edit | edit source]Defunct townships
[edit | edit source]- Dayton
- Mad River (remnant merged with the Village of Riverside in 1994)
- Madison (remnant merged with the Village of Trotwood in 1996)
- Randolph (remnant merged with the Village of Clayton in 1998)
- Van Buren (partitioned between the municipalities of Kettering and Moraine in 1952–1953)[23]
- Wayne (incorporated as Huber Heights in 1981)
Census-designated place
[edit | edit source]Unincorporated communities
[edit | edit source]See also
[edit | edit source]References
[edit | edit source]- ↑ "State & County QuickFacts". United States Census Bureau. Retrieved June 29, 2022.
- ↑ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ↑ "Montgomery County data". Ohio State University Extension Data Center. Archived from the original on March 27, 2008. Retrieved April 28, 2007.CS1 maint: unfit URL (link)
- ↑ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on May 4, 2014. Retrieved February 9, 2015.
- ↑ 5.0 5.1 5.2 "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved January 2, 2026.
- ↑ 6.0 6.1 "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved January 2, 2026.
- ↑ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved January 2, 2026.
- ↑ "1980 Census of Population - General Social and Economic Characteristics - Ohio- Table 59 - Persons by Spanish Origin, Race, and Sex: 1980 AND Table 58 - Race by Sex: 1980" (PDF). United States Census Bureau. p. 49-67 and 27-47.
- ↑ "1990 Census of Population - General Population Characteristics - Ohio: Table 6 - Race and Hispanic Origin" (PDF). United States Census Bureau. p. 21-95.
- ↑ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Montgomery County, Ohio". United States Census Bureau.
- ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Montgomery County, Ohio". United States Census Bureau.
- ↑ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Montgomery County, Ohio". United States Census Bureau.
- ↑ included in the Asian category in the 1980 Census
- ↑ included in the Asian category in the 1990 Census
- ↑ not an option in the 1980 Census
- ↑ not an option in the 1990 Census
- ↑ 17.0 17.1 17.2 "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved December 27, 2015.
- ↑ "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved December 27, 2015.
- ↑ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved December 27, 2015.
- ↑ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved December 27, 2015.
- ↑ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 10, 2024.
- ↑ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Montgomery County, OH" (PDF). U.S. Census Bureau. Retrieved July 23, 2022. - Text list
- ↑ "The City of Moraine -". The City of Moraine. Retrieved April 3, 2018.
External links
[edit | edit source]Template:Montgomery County, Ohio Template:Ohio Coordinates: 39°45′N 84°17′W / 39.75°N 84.29°W