Montgomery County, Ohio facts for kids

Kids Encyclopedia Facts
Montgomery County, Ohio
Seal of Montgomery County, Ohio
Map
Map of Ohio highlighting Montgomery County
Location in the state of Ohio
Map of the USA highlighting Ohio
Ohio's location in the U.S.
Statistics
Founded May 1, 1803
Seat Dayton
Largest City Dayton
Area
 - Total
 - Land
 - Water

464 sq mi (1,202 km²)
462 sq mi (1,197 km²)
2.8 sq mi (7 km²), 0.6%
PopulationEst.
 - (2013)
 - Density

535,846
1,159/sq mi (447/km²)
Time zone Eastern: UTC-5/-4
Website: www.mcohio.org
Named for: Richard Montgomery

Montgomery County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 535,153, making it the fifth-most populous county in Ohio. The county seat is Dayton. The county was named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada.

Montgomery County is part of the Dayton, Ohio Metropolitan Statistical Area.

Geography

According to the U.S. 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.

Adjacent counties

Major highways

  • I-70.svg Interstate 70
  • I-75.svg Interstate 75
  • I-675.svg Interstate 675
  • US 25.svg U.S. Route 25
  • US 35.svg U.S. Route 35
  • US 40.svg U.S. Route 40
  • OH-4.svg State Route 4
  • OH-48.svg State Route 48
  • OH-49.svg State Route 49
  • OH-123.svg State Route 123
  • OH-201.svg State Route 201
  • OH-202.svg State Route 202
  • OH-235.svg State Route 235
  • OH-444.svg State Route 444
  • OH-725.svg State Route 725
  • OH-741.svg State Route 741
  • OH-835.svg State Route 835

National protected area

  • Dayton Aviation Heritage National Historical Park (part)

Demographics

Historical population
Census Pop.
1810 7,722
1820 15,999 107.2%
1830 24,362 52.3%
1840 31,938 31.1%
1850 38,218 19.7%
1860 52,230 36.7%
1870 64,006 22.5%
1880 78,550 22.7%
1890 100,552 28.0%
1900 130,146 29.4%
1910 163,763 25.8%
1920 209,532 27.9%
1930 273,481 30.5%
1940 295,480 8.0%
1950 398,441 34.8%
1960 527,080 32.3%
1970 606,148 15.0%
1980 571,697 −5.7%
1990 573,809 0.4%
2000 559,062 −2.6%
2010 535,153 −4.3%
Est. 2015 532,258 −0.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

2000 census

As of the census of 2000, there were 559,062 people, 229,229 households, and 146,935 families residing in the county. The population density was 1,211 people per square mile (468/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 United States Census, there were 535,153 people, 223,943 households, and 138,060 families residing in the county. 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). 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. In terms of ancestry, 24.9% were German, 12.8% were Irish, 9.7% were American, and 8.8% were English.

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.

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 age 65 or over.

Communities

Montgomerytownships.PNG
Downtown Dayton, Ohio
Downtown Dayton, the largest city in Montgomery County

Cities

Villages

Townships

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

Defunct townships

  • Dayton Township
  • Mad River Township (remnant merged with the Village of Riverside in 1994)
  • Madison Township (remnant merged with the Village of Trotwood in 1996)
  • Randolph Township (remnant merged with the Village of Clayton in 1998)
  • Van Buren Township (partitioned between the municipalities of Kettering and Moraine in 1952-1953)
  • Wayne Township (incorporated as Huber Heights in 1981)

Census-designated place

Other unincorporated communities


Montgomery County, Ohio Facts for Kids. Kiddle Encyclopedia.