St. Clair, PA ZIP Codes

2 ZIP codes serve St. Clair, Pennsylvania: 17901 and 17970. Together they are home to 25,542 residents in 11,516 households. That is more than the 2,754 people counted inside St. Clair borough limits, because these ZIP codes reach past its boundary. Median household income ranges from $62,484 in 17901 to $67,703 in 17970.

St. Clair borough limits (Census)

MeasureCensus figure
Residents2,754
Households1,350
Median household income$64,304
Median home value$71,800
Median age47
Median rent$1,064

All 2 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)25,542
Households (sum of ZIP codes)11,516
Median household income, range across ZIP codes$62,484 (17901) to $67,703 (17970)
Household-weighted average of ZIP medians (an approximation, not a true median)$63,167
Homeowners70.5%
Households with kids under 1821.8%
Moved in the past year9.3%
Carrier routes in EDDM2GO's route library25 routes, 11,828 homes (2 of 2 ZIP codes)

Top facts

Every ZIP code in St. Clair

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
17901Pottsville22,37110,008$62,484$152,10070.1%21.6%9.1%2211,1310% of its land
17970Saint Clair3,1711,508$67,703$73,90073.5%23.3%10.7%31,57586% of its land

A ZIP code is listed for St. Clair when at least 10% of its land lies inside St. Clair borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is St. Clair. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside St. Clair.

Counties

Nearby cities sharing these ZIP codes

Price a mailing to St. Clair ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in St. Clair, PA?
17901 and 17970. A ZIP code is listed for St.
What is the population of St. Clair, PA?
The Census Bureau counts 2,754 residents inside St. Clair borough limits (ACS 2020–2024). The 2 ZIP codes that serve St. Clair hold 25,542 residents in all.
What is the median household income in St. Clair, PA?
$64,304 inside St. Clair borough limits, per the Census Bureau. Across its ZIP codes the medians run from $62,484 to $67,703.
Which St. Clair ZIP code has the highest median household income?
17970, at $67,703, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in St. Clair, PA?
For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 25 carrier routes reaching 11,828 residential and 873 business mailboxes.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.