Zip Code 18966 — Southampton, PA

ZIP Code 18966 is associated with Southampton, PA, in Bucks County. The listed population estimate is 36,370; estimated density is 861.3 people per square mile. Among records with population estimates, it ranks #5 of 48 in Bucks County and #66 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.187900, -75.005570)

Data MetricLocal Statistic
Postal / Zip Code18966
Primary CitySouthampton
State / ProvincePA
CountyBucks
Total Population36,370
Population Density861.3 people/sq mi
TimezoneAmerica/New_York

How 18966 Compares

MetricZIP 18966Bucks County recordsPA records
Population estimate36,370634,655 (sum)13,018,637 (sum)
Population Density861.3 /sq mi----
County population rank#5 of 48----
State population rank#66 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 18954Richboro2.4 mi10,380
ZIP 19053Feasterville Trevose2.7 mi28,509
ZIP 18974Warminster4.1 mi43,122
ZIP 19009Bryn Athyn4.6 mi1,124
ZIP 19006Huntingdon Valley4.8 mi23,443

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 →