Montgomery County
County
Current Montgomery County Courthouse
Current Montgomery County Courthouse
Official seal of Montgomery County
Seal
Map of Ohio highlighting Montgomery County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Coordinates: 39°45′N 84°17′W / 39.75°N 84.29°W / 39.75; -84.29
Country United States
State Ohio
FoundedMay 1, 1803[1]
Named forRichard Montgomery
SeatDayton
Largest cityDayton
Area
 • Total464 sq mi (1,200 km2)
 • Land462 sq mi (1,200 km2)
 • Water2.8 sq mi (7 km2)  0.6%
Population
 (2020)
 • Total537,309
 • Estimate 
(2021)
535,840 Decrease
 • Density1,200/sq mi (450/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district10th
Websitewww.mcohio.org

Montgomery County is located in the southwestern portion of the U.S. state of Ohio. As of the 2020 census, the population was 537,309,[2] making it the fifth-most populous county in Ohio. The county seat is Dayton.[3] The county was named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada.[4] Montgomery County is part of the Dayton, Ohio Metropolitan Statistical Area.

Geography

According to the United States Census Bureau, 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.[5]

Adjacent counties

Major highways

National protected area

Demographics

Historical population
CensusPop.Note%±
18107,722—
182015,999107.2%
183024,36252.3%
184031,93831.1%
185038,21819.7%
186052,23036.7%
187064,00622.5%
188078,55022.7%
1890100,55228.0%
1900130,14629.4%
1910163,76325.8%
1920209,53227.9%
1930273,48130.5%
1940295,4808.0%
1950398,44134.8%
1960527,08032.3%
1970606,14815.0%
1980571,697−5.7%
1990573,8090.4%
2000559,062−2.6%
2010535,153−4.3%
2020537,3090.4%
2021 (est.)535,840[6]−0.3%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2020[2]

2000 census

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.

2010 census

As of the 2010 census, there were 535,153 people, 223,943 households, and 138,060 families living in the county.[11] 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).[12] 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.[11] In terms of ancestry, 24.9% were German, 12.8% were Irish, 9.7% were American, and 8.8% were English.[13]

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.[11]

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.[14]

Government

Current officials

  • Board of Commissioners:
    • Judy Dodge (D)
    • Debbie Lieberman (D)
    • Carolyn Rice (D)
  • County Auditor: Karl L. Keith (D)
  • Clerk of Courts: Mike Foley (R)
  • County Coroner: Dr. Kent Harshbarger
  • County Engineer: Paul Gruner (D)
  • County Prosecutor: Mathias H. Heck Jr. (D)
  • County Recorder: Stacey D. Benson-Taylor (D)
  • Sheriff: Rob Streck (R)
  • County Treasurer: John McManus (R)

Politics

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. Montgomery County was also the most populated county in Ohio to vote for Trump in 2016, and the only county in Ohio to flip to Joe Biden in 2020, while Lorain County and Mahoning County flipped from Clinton to Trump. 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.

United States presidential election results for Montgomery County, Ohio[15]
Year Republican Democratic Third party
No. %No. %No. %
2020 129,034 47.94% 135,064 50.18% 5,066 1.88%
2016 123,909 47.68% 122,016 46.95% 13,951 5.37%
2012 124,841 46.81% 137,139 51.42% 4,727 1.77%
2008 128,679 46.12% 145,997 52.32% 4,355 1.56%
2004 138,371 48.97% 142,997 50.60% 1,216 0.43%
2000 109,792 47.53% 114,597 49.61% 6,598 2.86%
1996 95,391 41.30% 115,469 50.00% 20,097 8.70%
1992 104,751 40.02% 108,017 41.27% 48,952 18.70%
1988 131,596 57.48% 95,737 41.82% 1,610 0.70%
1984 137,053 58.97% 94,016 40.45% 1,333 0.57%
1980 101,443 45.49% 105,110 47.13% 16,456 7.38%
1976 100,223 47.40% 106,468 50.35% 4,745 2.24%
1972 120,998 58.02% 82,231 39.43% 5,323 2.55%
1968 84,766 40.93% 96,082 46.39% 26,272 12.68%
1964 71,979 36.24% 126,633 63.76% 0 0.00%
1960 109,602 52.71% 98,325 47.29% 0 0.00%
1956 107,278 58.45% 76,270 41.55% 0 0.00%
1952 91,905 53.51% 79,860 46.49% 0 0.00%
1948 60,048 43.48% 76,879 55.66% 1,187 0.86%
1944 63,336 43.47% 82,367 56.53% 0 0.00%
1940 57,866 40.20% 86,084 59.80% 0 0.00%
1936 44,742 35.02% 76,430 59.81% 6,606 5.17%
1932 49,267 46.60% 51,270 48.50% 5,180 4.90%
1928 71,279 64.53% 38,517 34.87% 665 0.60%
1924 50,845 62.61% 21,860 26.92% 8,505 10.47%
1920 46,493 51.67% 38,433 42.72% 5,049 5.61%
1916 19,683 41.99% 24,339 51.92% 2,853 6.09%
1912 10,341 26.15% 15,544 39.31% 13,653 34.53%
1908 20,069 47.09% 20,566 48.26% 1,980 4.65%
1904 22,144 58.70% 13,933 36.93% 1,648 4.37%
1900 19,606 53.55% 16,236 44.34% 772 2.11%
1896 18,333 53.56% 15,540 45.40% 359 1.05%
1892 13,197 46.88% 14,067 49.97% 888 3.15%
1888 12,491 47.89% 13,142 50.38% 451 1.73%
1884 11,524 50.12% 11,326 49.26% 143 0.62%
1880 9,726 48.28% 10,332 51.28% 89 0.44%
1876 7,921 46.82% 8,971 53.02% 27 0.16%
1872 6,998 49.17% 7,183 50.47% 50 0.35%
1868 6,502 51.54% 6,113 48.46% 0 0.00%
1864 5,554 51.21% 5,291 48.79% 0 0.00%
1860 4,974 50.07% 4,710 47.41% 251 2.53%
1856 4,038 46.34% 4,285 49.17% 391 4.49%

Education

Post-secondary institutions

Public

Private

Public schools

The following public school districts are located partially or entirely in Montgomery County:[16]

There is also a public independent (not a part of any school district) STEM school:

Private schools

The following private high schools are located in Montgomery County:

Communities

Downtown Dayton, the largest city in Montgomery County

Cities

Villages

Townships

Defunct townships

  • 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)[17]
  • Wayne (incorporated as Huber Heights in 1981)

Census-designated place

Unincorporated communities

See also

References

  1. ↑ "Ohio County Profiles: Montgomery County" (PDF). Ohio Department of Development. Archived from the original (PDF) on May 8, 2007. Retrieved April 28, 2007.
  2. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved June 29, 2022.
  3. ↑ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  4. ↑ "Montgomery County data". Ohio State University Extension Data Center. Archived from the original on March 27, 2008. Retrieved April 28, 2007.
  5. ↑ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on May 4, 2014. Retrieved February 9, 2015.
  6. ↑ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2021". Retrieved June 29, 2022.
  7. ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved February 9, 2015.
  8. ↑ "Historical Census Browser". University of Virginia Library. Retrieved February 9, 2015.
  9. ↑ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 9, 2015.
  10. ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 9, 2015.
  11. 1 2 3 "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.
  12. ↑ "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved December 27, 2015.
  13. ↑ "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.
  14. ↑ "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.
  15. ↑ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 3, 2018.
  16. ↑ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Montgomery County, OH" (PDF). U.S. Census Bureau. Retrieved July 23, 2022. - Text list
  17. ↑ "The City of Moraine -". The City of Moraine. Retrieved April 3, 2018.

39°45′N 84°17′W / 39.75°N 84.29°W / 39.75; -84.29

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