Zip Code 17601 — Lancaster, PA

ZIP Code 17601 is associated with Lancaster, PA, in Lancaster County. The listed population estimate is 56,382; estimated density is 649.5 people per square mile. Among records with population estimates, it ranks #2 of 51 in Lancaster County and #11 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.072960, -76.314570)

Data MetricLocal Statistic
Postal / Zip Code17601
Primary CityLancaster
State / ProvincePA
CountyLancaster
Total Population56,382
Population Density649.5 people/sq mi
TimezoneAmerica/New_York

How 17601 Compares

MetricZIP 17601Lancaster County recordsPA records
Population estimate56,382558,164 (sum)13,018,637 (sum)
Population Density649.5 /sq mi----
County population rank#2 of 51----
State population rank#11 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 17520East Petersburg2.5 mi5,040
ZIP 17606Lancaster2.7 mi404
ZIP 17504Bausman3.4 mi105
ZIP 17603Lancaster4.6 mi67,571
ZIP 17602Lancaster5.4 mi52,217

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 →