Mercer County, Ohio

Mercer County, Ohio
Location in the state of Ohio
Ohio's location in the U.S.
Founded	April 1, 1820
Named for	Hugh Mercer
Seat	Celina
Largest city	Celina
Area  - Total  - Land  - Water	473 sq mi (1,226 km²) 463 sq mi (1,200 km²) 10 sq mi (26 km²), 2.12%
Population  - (2000)  - Density	40,924 88/sq mi (34/km²)
Time zone	Eastern: UTC-5/-4
Website	www.mercercountyohio.org

Grand Lake St. Marys.

Historical populations
Census	Pop.		%±
1820	95		—
1830	1,110		1,068.4%
1840	8,277		645.7%
1850	7,712		−6.8%
1860	14,104		82.9%
1870	17,254		22.3%
1880	21,808		26.4%
1890	27,220		24.8%
1900	28,021		2.9%
1910	27,536		−1.7%
1920	26,872		−2.4%
1930	25,096		−6.6%
1940	26,256		4.6%
1950	28,311		7.8%
1960	32,559		15.0%
1970	35,265		8.3%
1980	38,334		8.7%
1990	39,443		2.9%
2000	40,924		3.8%

Mercer County is a county located in the state of Ohio, United States. Its county seat is Celina and is named for Hugh Mercer, an officer in the American Revolutionary War.

The Celina Micropolitan Statistical Area includes all of Mercer County.

Geography

According to the U.S. Census Bureau, the county has a total area of 473 square miles (1,230 km²).463 square miles (1,200 km²) of it is land and 10 square miles (26 km²) of it (2.12%) is water.

Adjacent counties

• Van Wert County (north)
• Auglaize County (east)
• Shelby County (southeast)
• Darke County (south)
• Jay County, Indiana (southwest)
• Adams County, Indiana (northwest)

Demographics

As of the census of 2000, there were 40,924 people, 14,756 households, and 11,022 families residing in the county. The population density was 88 people per square mile (34/km²). There were 15,875 housing units at an average density of 34 per square mile (13/km²). The racial makeup of the county was 98.44% White, 0.10% Black or African American, 0.26% Native American, 0.29% Asian, 0.02% Pacific Islander, 0.34% from other races, and 0.56% from two or more races. 1.15% of the population were Hispanic or Latino of any race.

There were 14,756 households out of which 37.10% had children under the age of 18 living with them, 64.10% were married couples living together, 7.40% had a female householder with no husband present, and 25.30% were non-families. 22.70% of all households were made up of individuals and 10.80% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.24.

In the county, the population was spread out with 29.60% under the age of 18, 7.90% from 18 to 24, 26.70% from 25 to 44, 21.20% from 45 to 64, and 14.50% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 99.80 males. For every 100 females age 18 and over, there were 96.20 males.

The median income for a household in the county was $42,742, and the median income for a family was $50,157. Males had a median income of $35,508 versus $22,857 for females. The per capita income for the county was $18,531. About 4.60% of families and 6.40% of the population were below the poverty line, including 6.90% of those under age 18 and 7.80% of those age 65 or over.

Government

Mercer County courthouse.

Main article: Ohio county government

Communities

City

• Celina

Villages

Burkettsville Chickasaw Coldwater Fort Recovery

Mendon Montezuma Rockford St. Henry

Townships

Black Creek Butler Center Dublin

Franklin Gibson Granville Hopewell

Jefferson Liberty Marion Recovery

Union Washington Wayne (defunct, now part of Celina)

Unincorporated communities

Bursville Carthagena Cassella Chattanooga Cranberry Prairie Durbin Erastus Hinton Macedon

Maria Stein Mercer Monterey Neptune Padua Philothea Scudder Sebastian Sharpsburg

Shively Skeels Crossroads St. Joseph St. Peter St. Rose Tama Wabash Wendelin

See also

• National Register of Historic Places listings in Mercer County, Ohio

External links

• County website