Miami County, Ohio facts for kids

Kids Encyclopedia Facts
Miami County, Ohio
Seal of Miami County, Ohio
Map
Map of Ohio highlighting Miami County
Location in the state of Ohio
Map of the USA highlighting Ohio
Ohio's location in the U.S.
Statistics
Founded March 1, 1807
Seat Troy
Largest City Troy*
Area
 - Total
 - Land
 - Water

410 sq mi (1,062 km²)
407 sq mi (1,054 km²)
3.1 sq mi (8 km²), 0.8%
Population
 - (2010)
 - Density

102,506
252/sq mi (97/km²)
Time zone Eastern: UTC-5/-4
Website: www.MiamiCountyOhio.gov
Named for: Miami people
*Based on population just within the county.

Miami County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 102,506. Its county seat is Troy. The county is named for an Indian word of disputed meaning.

Miami County is part of the Dayton, OH Metropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 410 square miles (1,100 km2), of which 407 square miles (1,050 km2) is land and 3.1 square miles (8.0 km2) (0.8%) is water.

Adjacent counties

Demographics

Historical populations
Census Pop.
1810 3,941
1820 8,851 124.6%
1830 12,807 44.7%
1840 19,688 53.7%
1850 24,999 27.0%
1860 29,959 19.8%
1870 32,740 9.3%
1880 36,158 10.4%
1890 39,754 9.9%
1900 43,105 8.4%
1910 45,047 4.5%
1920 48,428 7.5%
1930 51,301 5.9%
1940 52,632 2.6%
1950 61,309 16.5%
1960 72,901 18.9%
1970 84,342 15.7%
1980 90,381 7.2%
1990 93,182 3.1%
2000 98,868 6.1%
2010 102,506 3.7%
Est. 2015 104,224 5.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

2000 census

As of the census of 2000, there were 98,868 people, 38,437 households, and 27,943 families residing in the county. The population density was 243 people per square mile (94/km²). There were 40,554 housing units at an average density of 100 per square mile (38/km²). The racial makeup of the county was 95.78% White, 1.95% Black or African American, 0.19% Native American, 0.79% Asian, 0.01% Pacific Islander, 0.28% from other races, and 1.00% from two or more races. 0.73% of the population were Hispanic or Latino of any race.

There were 38,437 households out of which 33.30% had children under the age of 18 living with them, 59.50% were married couples living together, 9.70% had a female householder with no husband present, and 27.30% were non-families. 23.20% of all households were made up of individuals and 9.50% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.99.

In the county, the population was spread out with 25.90% under the age of 18, 7.60% from 18 to 24, 28.40% from 25 to 44, 24.80% from 45 to 64, and 13.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.20 males. For every 100 females age 18 and over, there were 92.40 males.

The median income for a household in the county was $44,109, and the median income for a family was $51,169. Males had a median income of $37,357 versus $25,493 for females. The per capita income for the county was $21,669. About 5.10% of families and 6.70% of the population were below the poverty line, including 9.10% of those under age 18 and 5.60% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 102,506 people, 40,917 households, and 28,626 families residing in the county. The population density was 252.1 inhabitants per square mile (97.3/km2). There were 44,256 housing units at an average density of 108.8 per square mile (42.0/km2). The racial makeup of the county was 94.4% white, 2.0% black or African American, 1.2% Asian, 0.2% American Indian, 0.5% from other races, and 1.8% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 34.5% were German, 13.5% were Irish, 10.2% were English, and 9.8% were American.

Of the 40,917 households, 32.3% had children under the age of 18 living with them, 54.7% were married couples living together, 10.5% had a female householder with no husband present, 30.0% were non-families, and 25.3% of all households were made up of individuals. The average household size was 2.48 and the average family size was 2.95. The median age was 40.6 years.

The median income for a household in the county was $51,507 and the median income for a family was $61,190. Males had a median income of $46,133 versus $32,699 for females. The per capita income for the county was $25,006. About 7.0% of families and 9.5% of the population were below the poverty line, including 14.0% of those under age 18 and 4.8% of those age 65 or over.

Communities

Map of Miami County Ohio With Municipal and Township Labels
Municipalities and townships of Miami County

Cities

Villages

Townships

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

http://www.ohiotownships.org/township-websites

Unincorporated communities


Miami County, Ohio Facts for Kids. Kiddle Encyclopedia.