Mercer County, Pennsylvania facts for kids
Quick facts for kids
Mercer County Courthouse (1909)
Location within the U.S. state of Pennsylvania
Pennsylvania's location within the U.S.
|Founded||November 7, 1803|
|• Total||683 sq mi (1,770 km2)|
|• Land||673 sq mi (1,740 km2)|
|• Water||10 sq mi (30 km2) 1.5%%|
| • Estimate
|• Density||170/sq mi (70/km2)|
|Time zone||UTC−5 (Eastern)|
|• Summer (DST)||UTC−4 (EDT)|
Mercer County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 116,638. Its county seat is Mercer, and its largest city is Hermitage. The county was created in 1800 and later organized in 1803.
Mercer County is included in the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 683 square miles (1,770 km2), of which 673 square miles (1,740 km2) is land and 10 square miles (26 km2) (1.5%) is water.
- Crawford County (north)
- Venango County (east)
- Butler County (southeast)
- Lawrence County (south)
- Mahoning County, Ohio (southwest)
- Trumbull County, Ohio (west)
|U.S. Decennial Census
As of the census of 2000, there were 120,293 people, 46,712 households, and 32,371 families residing in the county. The population density was 179 people per square mile (69/km²). There were 49,859 housing units at an average density of 74 per square mile (29/km²). The racial makeup of the county was 93.13% White, 5.25% Black or African American, 0.11% Native American, 0.40% Asian, 0.02% Pacific Islander, 0.17% from other races, and 0.91% from two or more races. 0.67% of the population were Hispanic or Latino of any race. 24.5% were of German, 12.0% Italian, 10.5% Irish, 9.3% English and 6.8% American ancestry according to Census 2000.
There were 46,712 households out of which 29.30% had children under the age of 18 living with them, 54.80% were married couples living together, 10.90% had a female householder with no husband present, and 30.70% were non-families. 27.00% of all households were made up of individuals and 13.20% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.96.
In the county, the population was spread out with 23.40% under the age of 18, 8.90% from 18 to 24, 26.10% from 25 to 44, 23.50% from 45 to 64, and 18.10% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.70 males. For every 100 females age 18 and over, there were 90.80 males.
There is one Pennsylvania state park in Mercer County. Maurice K. Goddard State Park, named for Maurice K. Goddard, former Secretary of the Pennsylvania Department of Environmental Resources, is just off exit 130 of Interstate 79 on Pennsylvania Route 358 near Stoneboro.
Mercer County Court House built in 1909.
Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in one case, towns. The following cities, boroughs and townships are located in Mercer County:
- Deer Creek
- East Lackawannock
- French Creek
- Mill Creek
- New Vernon
- Otter Creek
- Sandy Creek
- Sandy Lake
- South Pymatuning
- Sugar Grove
- West Salem
- Wolf Creek
- Clarks Mills
- Fairview (village)
- New Vernon (village)
- Williams Corners
- Hickory Township-became the Municipality of Hermitage in 1976, and then the City of Hermitage in 1984.
The population ranking of the following table is based on the 2010 census of Mercer County.
† county seat
|Rank||City/Town/etc.||Municipal type||Population (2010 Census)|
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Mercer County, Pennsylvania Facts for Kids. Kiddle Encyclopedia.