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Zip Code 16057 — Slippery Rock, PA

ZIP Code 16057 is associated with Slippery Rock, PA, in Butler County. The listed population estimate is 15,718; estimated density is 68.4 people per square mile. Among records with population estimates, it ranks #4 of 31 in Butler County and #277 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.034270, -80.057900)

Data MetricLocal Statistic
Postal / Zip Code16057
Primary CitySlippery Rock
State / ProvincePA
CountyButler
Total Population15,718
Population Density68.4 people/sq mi
TimezoneAmerica/New_York

How 16057 Compares

MetricZIP 16057Butler County recordsPA records
Population estimate15,718203,113 (sum)13,018,637 (sum)
Population Density68.4 /sq mi----
County population rank#4 of 31----
State population rank#277 of 1,811----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in PA

ZIP CodeCityDistancePopulation estimate
ZIP 16035Forestville5.5 mi252
ZIP 16051Portersville7.6 mi3,119
ZIP 16052Prospect8.9 mi2,215
ZIP 16061West Sunbury9.1 mi2,564
ZIP 16156Volant9.5 mi3,431

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →