Mercer County, Pennsylvania
County in Pennsylvania, United States From Wikipedia, the free encyclopedia
Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652.[2] Its county seat is Mercer,[3] and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.[lower-alpha 1]
Mercer County | |
|---|---|
 Mercer County Courthouse (1909) | |
 Seal | |
 Location within the U.S. state of Pennsylvania | |
 Pennsylvania's location within the U.S. | |
| Coordinates: 41°19′N 80°15′W | |
| Country |  United States |
| State |  Pennsylvania |
| Founded | November 7, 1803 |
| Named for | Hugh Mercer |
| Seat | Mercer |
| Largest city | Hermitage |
| Area | |
| • Total | 683 sq mi (1,770 km2) |
| • Land | 673 sq mi (1,740 km2) |
| • Water | 10 sq mi (30 km2) 1.5% |
| Population | |
| • Total | 110,652 |
| • Density | 162/sq mi (63/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 16th |
| Website | www |
Mercer County compromises the Hermitage, PA Micropolitan Statistical Area, which is included in the Greater Pittsburgh area.
Mercer County was created in 1800 and later organized in 1803.[4]
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.[5] It has a humid continental climate (Dfa/Dfb) and average monthly temperatures in Sharon range from 27.1 °F in January to 72.2 °F in July, while in Mercer borough they range from 25.4 °F in January to 70.1 °F in July.[6] Mercer County is one of the 423 counties served by the Appalachian Regional Commission,[7] and it is identified as part of the "Midlands" by Colin Woodard in his book American Nations: A History of the Eleven Rival Regional Cultures of North America.[8]
Adjacent counties
- Crawford County (north)
- Venango County (east)
- Butler County (southeast)
- Lawrence County (south)
- Mahoning County, Ohio (southwest)
- Trumbull County, Ohio (west)
Major highways
| Census | Pop. | Note | %± |
|---|---|---|---|
| 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% | |
| 2020 | 110,652 | −5.1% | |
| U.S. Decennial Census[9] 1790–1960[10] 1900–1990[11] 1990–2000[12] 2010–2019[13] 2020[14] | |||
As of the census[15] of 2000, there were 120,293 people, 46,712 households, and 32,371 families residing in the county. The population density was 179 inhabitants per square mile (69 inhabitants/km2). There were 49,859 housing units at an average density of 74 units 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. 37.7% were of German, 20.0% Irish, 14.9% Italian, 12.0% English, 6.4% American, 6.2% Polish, 3.7% Scotch-Irish, 3.3% Dutch ancestry.
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.
2020 census
| Race | Num. | Perc. |
|---|---|---|
| White (NH) | 96,998 | 87.6% |
| Black or African American (NH) | 6,289 | 5.7% |
| Native American (NH) | 116 | 0.1% |
| Asian (NH) | 683 | 0.6% |
| Pacific Islander (NH) | 14 | 0.01% |
| Other/Mixed (NH) | 4,943 | 4.5% |
| Hispanic or Latino | 1,609 | 1.5% |
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 2020 | 36,143 | 62.19% | 21,067 | 36.25% | 907 | 1.56% |
| 2016 | 31,544 | 59.70% | 18,733 | 35.45% | 2,562 | 4.85% |
| 2012 | 25,925 | 50.79% | 24,232 | 47.48% | 882 | 1.73% |
| 2008 | 26,565 | 49.04% | 26,411 | 48.76% | 1,192 | 2.20% |
| 2004 | 26,311 | 51.03% | 24,831 | 48.16% | 422 | 0.82% |
| 2000 | 23,132 | 47.47% | 23,817 | 48.87% | 1,783 | 3.66% |
| 1996 | 17,213 | 37.60% | 23,003 | 50.25% | 5,563 | 12.15% |
| 1992 | 16,081 | 32.27% | 23,264 | 46.68% | 10,491 | 21.05% |
| 1988 | 21,301 | 46.43% | 24,278 | 52.92% | 301 | 0.66% |
| 1984 | 24,211 | 49.11% | 24,658 | 50.01% | 434 | 0.88% |
| 1980 | 22,372 | 48.54% | 19,716 | 42.78% | 4,002 | 8.68% |
| 1976 | 22,469 | 46.58% | 25,041 | 51.91% | 725 | 1.50% |
| 1972 | 27,961 | 59.37% | 18,087 | 38.40% | 1,052 | 2.23% |
| 1968 | 23,131 | 47.11% | 22,814 | 46.46% | 3,160 | 6.44% |
| 1964 | 18,153 | 35.90% | 32,199 | 63.68% | 211 | 0.42% |
| 1960 | 29,109 | 54.43% | 24,243 | 45.33% | 128 | 0.24% |
| 1956 | 28,785 | 59.14% | 19,769 | 40.62% | 120 | 0.25% |
| 1952 | 26,424 | 55.59% | 20,770 | 43.69% | 343 | 0.72% |
| 1948 | 18,916 | 52.71% | 16,108 | 44.89% | 862 | 2.40% |
| 1944 | 19,606 | 53.85% | 16,589 | 45.57% | 212 | 0.58% |
| 1940 | 21,058 | 55.10% | 16,968 | 44.40% | 189 | 0.49% |
| 1936 | 18,493 | 45.88% | 20,879 | 51.79% | 939 | 2.33% |
| 1932 | 14,057 | 53.53% | 10,961 | 41.74% | 1,240 | 4.72% |
| 1928 | 22,599 | 72.71% | 8,204 | 26.39% | 280 | 0.90% |
| 1924 | 14,639 | 65.29% | 3,688 | 16.45% | 4,093 | 18.26% |
| 1920 | 11,575 | 60.29% | 4,823 | 25.12% | 2,801 | 14.59% |
| 1916 | 5,866 | 42.66% | 6,390 | 46.47% | 1,495 | 10.87% |
| 1912 | 1,873 | 14.73% | 4,039 | 31.76% | 6,806 | 53.51% |
| 1908 | 6,497 | 47.27% | 5,473 | 39.82% | 1,774 | 12.91% |
| 1904 | 8,574 | 60.67% | 3,845 | 27.21% | 1,714 | 12.13% |
| 1900 | 6,950 | 55.94% | 4,916 | 39.57% | 559 | 4.50% |
| 1896 | 7,262 | 55.53% | 5,500 | 42.06% | 315 | 2.41% |
| 1892 | 5,874 | 50.80% | 4,931 | 42.65% | 757 | 6.55% |
| 1888 | 6,428 | 53.91% | 4,806 | 40.31% | 689 | 5.78% |
| 1884 | 6,357 | 51.81% | 4,861 | 39.62% | 1,052 | 8.57% |
| 1880 | 6,079 | 51.33% | 5,029 | 42.46% | 735 | 6.21% |
Voter registration
As of June 12, 2023, there are 70,553 registered voters in the county. Republicans hold a plurality of voters by a margin of 10,354 voters (14.67% of the total registered). There are 35,735 registered Republicans, 25,381 registered Democrats, 7,319 registered non-affiliated voters, and 2,118 voters registered to third parties.[19]
Chart of Voter Registration
| Voter registration and party enrollment | |||||
|---|---|---|---|---|---|
| Party | Number of voters | Percentage | |||
| Republican | 35,735 | 50.65 | |||
| Democratic | 25,381 | 35.97 | |||
| Independent | 7,319 | 10.37 | |||
| Third Party | 2,118 | 3.01 | |||
| Total | 70,553 | 100% | |||
Political bellwether
Mercer County was previously considered a political bellwether for the state of Pennsylvania since its demographics, urban-rural ratio, and party affiliation once closely mirrored the state as a whole. In 2000, Al Gore carried it against George W. Bush. This trend failed to hold true in 2004 and 2008, in which Mercer County voted more conservatively than the rest of the state. In 2004, Bush won Mercer County with 51% of the vote. That year, John Kerry won the state as a whole with 51% of the popular vote. In 2008, John McCain won Mercer County by fewer than 200 votes, as he and Barack Obama each received roughly 49% of the popular vote. Obama won Pennsylvania as a whole with 55% of the popular vote. Each of the three statewide office winners also carried Mercer in 2008. In 2016, Donald Trump won Mercer County by 12,403 votes, and he also won all of Pennsylvania. Each of the three Republican candidates for statewide office carried Mercer County in 2016. In 2020, Trump again carried the county, despite Pennsylvania narrowly voting for Joe Biden. Trump won 62% of the vote, the largest majority for any major party candidate since 1964, and the largest majority for a Republican since 1928.[citation needed]
County officials
| Commissioner | Party | Title |
|---|---|---|
| Ann Coleman | Republican | Chairman |
| William A Finley, Jr. | Republican | Vice Chairman |
| Timothy McGonigle | Democrat | Secretary |
| Office | Official | Party |
|---|---|---|
| President Judge of Court of Common Pleas | Daniel P. Wallace | Republican |
| Judge of Court of Common Pleas | D. Neil McEwen | Republican |
| Judge of Court of Common Pleas | Tedd C. Nesbit | Republican |
| Judge of Court of Common Pleas | Ronald D. Amrhein Jr. | Republican |
| Clerk of Courts/Register of Wills | Mary Jo Basilone DePreta | Republican |
| District Attorney | Pete Acker | Republican |
| Coroner | John A. Libonati | Republican |
| Sheriff | Bruce Rosa | Republican |
| Treasurer | Amber White | Republican |
| Prothonotary | Ruth Bice | Republican |
| Recorder of Deeds | Dee Dee Zickar | Republican |
| Controller | Steve Sherman | Republican |
State House of Representatives
| District | Representative | Party |
|---|---|---|
| 7 | Parke Wentling | Republican |
| 17 | Timothy R. Bonner | Republican |
State Senate
| District | Senator | Party |
|---|---|---|
| 50 | Michele Brooks | Republican |
United States House of Representatives
| District | Representative | Party |
|---|---|---|
| 16 | Mike Kelly | Republican |
United States Senate
| Senator | Party |
|---|---|
| John Fetterman | Democrat |
| Bob Casey | Democrat |
Higher education
- Grove City College (Grove City)
- Thiel College (Greenville)
- Pennsylvania State University, Shenango Campus (Sharon)
- Butler County Community College, BC3 @ Linden Pointe (Hermitage)
Career-based education
- Laurel Technical Institute, Sharon
- Mercer County Career and Technical Center, Mercer
- Penn State Cosmetology Academy, Hermitage
- Sharon Regional Health System Schools of Nursing and Radiology, Sharon
Public school districts
- Crawford Central School District
- Commodore Perry School District
- Farrell Area School District
- Greenville Area School District
- Grove City Area School District
- Hermitage School District
- Jamestown Area School District
- Lakeview School District
- Mercer Area School District
- Reynolds School District
- Sharon City School District
- Sharpsville Area School District
- West Middlesex Area School District
- Wilmington Area School District
Charter schools
Private schools
- Kennedy Catholic High School, Hermitage, PA.
- St Michael's Elementary School, Greenville, PA.
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.[22] It has since reopened in new facilities.
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:
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
- Briscoe Springs
- Carlton
- Charleston
- Clarks Mills
- Delaware Grove
- Fairview (village)
- Hadley
- Kennard
- Kremis
- London
- Maysville
- Milledgeville
- New Vernon
- North Liberty
- Oniontown
- Osgood
- Petersburg
- Shenango (village)
- Transfer
- Williams Corners
Former community
- Hickory Township-became the Municipality of Hermitage in 1976, and then the City of Hermitage in 1984.[23]
- Wheatland-annexed by the City of Hermitage in 2024.[24]
Mixed Nomenclature
- Borough of Greenville is also interchangeably designated as Town of Greenville with exact municipal designation currently unclear.
Population ranking
The population ranking of the following table is based on the 2010 census and 2020 census of Mercer County.[25]
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2010 Census) |
Population (2020 Census) |
|---|---|---|---|---|
| 1 | Hermitage | City | 16,413 | 16,231 |
| 2 | Sharon | City | 14,021 | 13,150 |
| 3 | Grove City | Borough | 8,334 | 7,884 |
| 4 | Greenville | Borough | 5,953 | 5,540 |
| 5 | Farrell | City | 4,953 | 4,259 |
| 6 | Sharpsville | Borough | 4,417 | 4,252 |
| 7 | † Mercer | Borough | 2,042 | 1,985 |
| 8 | Reynolds Heights | CDP | 2,061 | 1,974 |
| 9 | Lake Latonka | CDP | 1,012 | 951 |
| 10 | Stoneboro | Borough | 1,051 | 947 |
| 11 | West Middlesex | Borough | 863 | 816 |
| 12 | Sandy Lake | Borough | 657 | 650 |
| 13 | Wheatland | Borough | 632 | 583 |
| 14 | Jamestown | Borough | 617 | 582 |
| 15 | Clark | Borough | 640 | 575 |
| 16 | Fredonia | Borough | 494 | 435 |
| 17 | Jackson Center | Borough | 224 | 191 |
| 18 | New Lebanon | Borough | 189 | 185 |
| 19 | Sheakleyville | Borough | 142 | 150 |
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