[[File:Pennsylvania Locator Map with US.svg|thumb|Replace with relevant county image, map, or seal.]]
[[File:Map of Pennsylvania highlighting Mercer County.svg|thumb]]
[[File:Map of Mercer County, Pennsylvania.png|thumb]]
'''Mercer County''' is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.
'''Mercer County''' is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.
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==Key Cities/Towns/Boroughs==
==Key Cities/Towns/Boroughs==
'''Cities'''
* Farrell
* Hermitage
* Sharon
{| class="wikitable"
|+Boroughs
|
* Clark
* Clark
* Farrell
* Fredonia
* Fredonia
* Hermitage
* Greenville
* Greenville
* Grove City
* Grove City
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* Jamestown
* Jamestown
* Mercer (county seat)
* Mercer (county seat)
|
* New Lebanon
* New Lebanon
* Sandy Lake
* Sandy Lake
* Sharon
* Sharpsville
*Sharpsville
* Sheakleyville
*Sheakleyville
* Stoneboro
*Stoneboro
* West Middlesex
*West Middlesex
|}
{| class="wikitable"
|+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
|}
==Megan's Law Statistics==
==Megan's Law Statistics==
(Copy from [https://www.meganslaw.psp.pa.gov/ PA Megan's Law Database], click on Community Tools at top then the 3rd "Count of..." link and tally residents only)
{| class="wikitable"
{| class="wikitable"
|+
|+
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|'''T3'''
|'''T3'''
|-
|-
|316
|325
|69
|71
|40
|37
|16
|20
|0
|0
|30
|30
|10
|8
|54
|56
|37
|43
|60
|60
|}
|}
Last updated: 01/31/2025
Last updated: 10/23/25
==Registration Sites==
==Registration Sites==
* Mercer State Police - 826 Franklin Road, Mercer, PA 16137
* '''Mercer State Police''', 826 Franklin Road, Mercer, PA 16137, 724-748-0044
Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.
Mercer County compromises the Hermitage, PA Micropolitan Statistical Area, which is included in the Greater Pittsburgh area.
Key Cities/Towns/Boroughs
Cities
Farrell
Hermitage
Sharon
Boroughs
Clark
Fredonia
Greenville
Grove City
Jackson Center
Jamestown
Mercer (county seat)
New Lebanon
Sandy Lake
Sharpsville
Sheakleyville
Stoneboro
West Middlesex
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
Megan's Law Statistics
(Copy from PA Megan's Law Database, click on Community Tools at top then the 3rd "Count of..." link and tally residents only)
County Total
Lifetime
Out of State
Pre-SORNA SVP
SVDC
SVP
Ten-Year
T1
T2
T3
325
71
37
20
0
30
8
56
43
60
Last updated: 10/23/25
Registration Sites
Mercer State Police, 826 Franklin Road, Mercer, PA 16137, 724-748-0044
County parole/probation office contact information
Mercer County is one of two counties in Pennsylvania without a county parole/probation office. Supervision is handled at the State level.
Probation & Parole Board office is located at 8362 Sharon-Mercer Road, Mercer, PA 16137
Local Reentry Resources
If you know of any local reentry organizations in the county, please contact us at contact@parsol.org