Mercer County, Pennsylvania facts for kids

Kids Encyclopedia Facts
Mercer County, Pennsylvania
Map
Map of Pennsylvania highlighting Mercer County
Location in the state of Pennsylvania
Map of the USA highlighting Pennsylvania
Pennsylvania's location in the U.S.
Statistics
Founded November 7, 1803
Seat Mercer
Largest City Hermitage
Area
 - Total
 - Land
 - Water

683 sq mi (1,769 km²)
673 sq mi (1,743 km²)
10 sq mi (26 km²), 1.5%
PopulationEst.
 - (2015)
 - Density

114,234
170/sq mi (66/km²)
Time zone Eastern: UTC-5/-4
Website: www.mcc.co.mercer.pa.us

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.

Geography

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.

Adjacent counties

Demographics

Historical population
Census Pop.
1800 3,228
1810 8,277 156.4%
1820 11,681 41.1%
1830 19,729 68.9%
1840 32,873 66.6%
1850 33,172 0.9%
1860 36,856 11.1%
1870 49,977 35.6%
1880 56,161 12.4%
1890 55,744 −0.7%
1900 57,387 2.9%
1910 77,699 35.4%
1920 93,788 20.7%
1930 99,246 5.8%
1940 101,039 1.8%
1950 111,954 10.8%
1960 127,519 13.9%
1970 127,175 −0.3%
1980 128,299 0.9%
1990 121,003 −5.7%
2000 120,307 −0.6%
2010 116,638 −3.0%
Est. 2015 114,234 −2.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

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.

Recreation

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.

The Wendell August Forge, the last remaining working forge in the state, was open to the public for tours, but it burned down on March 6, 2010. It has since reopened in new facilities.

Mercer County Court House built in 1909.

Communities

Map of Mercer County Pennsylvania With Municipal and Township Labels
Map of Mercer County, Pennsylvania with Municipal Labels showing Cities and Boroughs (red) and Townships (white).

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:

Cities

Boroughs

Townships

  • Coolspring
  • Deer Creek
  • Delaware
  • East Lackawannock
  • Fairview
  • Findley
  • French Creek
  • Greene
  • Hempfield
  • Jackson
  • Jefferson
  • Lackawannock
  • Lake
  • Liberty
  • Mill Creek
  • New Vernon
  • Otter Creek
  • Perry
  • Pine
  • Pymatuning
  • Salem
  • Sandy Creek
  • Sandy Lake
  • Shenango
  • South Pymatuning
  • Springfield
  • Sugar Grove
  • West Salem
  • Wilmington
  • Wolf Creek
  • Worth

Census-designated places

Unincorporated communities

  • Blacktown
  • Carlton
  • Clarks Mills
  • Fairview (village)
  • Hadley
  • Kennard
  • Kremis
  • Milledgeville
  • New Vernon (village)
  • Osgood
  • Petersburg
  • Transfer
  • Williams Corners

Former community

  • Hickory Township-became the Municipality of Hermitage in 1976, and then the City of Hermitage in 1984.

Population ranking

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)
1 Hermitage City 16,220
2 Sharon City 14,038
3 Grove City Borough 8,322
4 Greenville Borough 5,919
5 Farrell City 5,111
6 Sharpsville Borough 4,415
7 Reynolds Heights CDP 2,061
8 Mercer Borough 2,002
9 Stoneboro Borough 1,051
10 Lake Latonka CDP 1,012
11 West Middlesex Borough 863
12 Sandy Lake Borough 659
13 Clark Borough 640
14 Wheatland Borough 632
15 Jamestown Borough 617
16 Fredonia Borough 502
17 Jackson Center Borough 224
18 New Lebanon Borough 188
19 Sheakleyville Borough 142

Images for kids


Mercer County, Pennsylvania Facts for Kids. Kiddle Encyclopedia.