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zipcodes.pro — STATE/PA/COUNTY/MERCER

Mercer County, PA ZIP codes

There are 20 ZIP codes in Mercer County, PA, in 20 towns, from 16113 to 16311. The largest are 16148 (Hermitage), 16125 (Greenville) and 16127 (Grove City).

The county seat is Mercer.

ZIP codes
20
Towns
20
County seat
Mercer
County FIPS
42085
Population
109,257
Median household income
$59,976
Land area
673 sq mi
Area code
724
Metro area
Hermitage

Mercer County ZIP codes by town

Mercer (county seat)
16137

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Mercer County ZIP codes

1611316114161211612416125161271613016133161371614216145161461614816150161511615316154161591616116311

The ZIP codes of Mercer County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Mercer County in numbers

About 109,257 people live in Mercer County, in 46,524 households, the 30th most populous of Pennsylvania's 67 counties. The median household income is $59,976 a year, 23% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $164,000 (36% below the Pennsylvania median), and median gross rent is $843 a month. The median age is 45.1; 25.6% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 22 minutes.

Population109,257Mercer109,257
Households46,524Mercer46,524
Median age45.1Mercer45.1Pennsylvania40.9US 38.9
Median household income$59,976Mercer$59,976Pennsylvania$77,971US $80,734
Median home value$164,000Mercer$164,000Pennsylvania$254,500US $332,700
Median gross rent$843Mercer$843Pennsylvania$1,209US $1,413
Bachelor's degree or higher25.6%Mercer25.6%Pennsylvania35.2%US 35.7%
Mean commute21.7 minMercer21.7 minPennsylvania26.3 minUS 26.4 min
Population density162 / sq miMercer162 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Mercer County

Largest towns in Mercer County
TownZIP codesPopulation
Hermitage 1 16,041
Sharon 1 12,936
Grove City 1 7,830
Greenville 1 5,523
Farrell 1 4,199
Sharpsville 1 4,187
Transfer 1 2,539
New Wilmington 1 2,395
Mercer 1 2,006
Hadley 1 1,810
West Middlesex 1 980
Wheatland 1 819
Stoneboro 1 785
Sandy Lake 1 783
Clark 1 585

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Mercer County.

Not sure you are in Mercer County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Mercer County, with figures

ZIP codes in Mercer County
ZIP City Type Population Median income Median home
16113 Clark , PA Standard 358 $60,000 $224,400
16114 Clarks Mills , PA Standard 579 $69,500 $200,000
16121 Farrell , PA Standard 4,199 $42,595 $87,800
16124 Fredonia , PA Standard 1,462 $55,455 $171,500
16125 Greenville , PA Standard 17,178 $54,787 $150,200
16127 Grove City , PA Standard 15,117 $72,429 $213,700
16130 Hadley , PA Standard 1,810 $58,750 $153,900
16133 Jackson Center , PA Standard 1,425 $76,713 $201,200
16137 Mercer , PA Standard 12,490 $71,250 $187,000
16142 New Wilmington , PA Standard 5,522 $84,205 $226,300
16145 Sandy Lake , PA Standard 2,660 $67,321 $180,100
16146 Sharon , PA Standard 12,936 $45,670 $78,800
16148 Hermitage , PA Standard 16,545 $70,490 $197,900
16150 Sharpsville , PA Standard 6,856 $56,334 $148,200
16151 Sheakleyville , PA Standard 52 $73,958 $88,300
16153 Stoneboro , PA Standard 2,234 $63,750 $149,300
16154 Transfer , PA Standard 2,539 $57,870 $167,000
16159 West Middlesex , PA Standard 4,455 $69,391 $178,000
16161 Wheatland , PA Standard 819 $40,536 $67,700
16311 Carlton , PA Standard 421 $70,938 $137,500

Cite this page

zipcodes.pro. “Mercer County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/pa/county/mercer

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