Mercer County Post Offices

1333 Cochranton Rd
Carlton, Pennsylvania 16311

6 Charles St
Clark, Pennsylvania 16113

21 Lake Wilhelm Rd
Clarks Mills, Pennsylvania 16114

700 Spearman Ave
Farrell, Pennsylvania 16121

161 2nd St
Fredonia, Pennsylvania 16124

55 Clinton St
Greenville, Pennsylvania 16125

117 E Pine St
Grove City, Pennsylvania 16127

1133 Fredonia Rd
Hadley, Pennsylvania 16130

3386 E State St
Hermitage, Pennsylvania 16148

1163 Franklin Rd
Jackson Center, Pennsylvania 16133

109 E Venango St
Mercer, Pennsylvania 16137

143 W Neshannock Ave
New Wilmington, Pennsylvania 16142

3267 S Main St
Sandy Lake, Pennsylvania 16145

120 Shenango Ave
Sharon, Pennsylvania 16146

108 E Shenango St
Sharpsville, Pennsylvania 16150

3216 Perry Hwy
Sheakleyville, Pennsylvania 16151

40 Linden St
Stoneboro, Pennsylvania 16153

3676 N Hermitage Rd Ste 5
Transfer, Pennsylvania 16154

39 Fair St
West Middlesex, Pennsylvania 16159

101 Council Ave
Wheatland, Pennsylvania 16161

Mercer County

There are 20 US Post Offices in Mercer County serving a total of 118,405 residents equating to 5,920 residents per post office. It's estimated that approximately 188,988 packages are handled across the 20 county post offices annually. 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."