Zip Code 16001 — Butler, PA

ZIP Code 16001 is associated with Butler, PA, in Butler County. The listed population estimate is 39,234; estimated density is 199.8 people per square mile. Among records with population estimates, it ranks #1 of 31 in Butler County and #56 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.910490, -79.943760)

Data MetricLocal Statistic
Postal / Zip Code16001
Primary CityButler
State / ProvincePA
CountyButler
Total Population39,234
Population Density199.8 people/sq mi
TimezoneAmerica/New_York

How 16001 Compares

MetricZIP 16001Butler County recordsPA records
Population estimate39,234203,113 (sum)13,018,637 (sum)
Population Density199.8 /sq mi----
County population rank#1 of 31----
State population rank#56 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 16045Lyndora4.2 mi1,136
ZIP 16029East Butler5.5 mi916
ZIP 16052Prospect6.2 mi2,215
ZIP 16053Renfrew7.1 mi3,429
ZIP 16027Connoquenessing7.4 mi423

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 →