Zip Code 18940 — Newtown, PA

ZIP Code 18940 is associated with Newtown, PA, in Bucks County. The listed population estimate is 29,626; estimated density is 330.8 people per square mile. Among records with population estimates, it ranks #7 of 48 in Bucks County and #111 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.263490, -74.948300)

Data MetricLocal Statistic
Postal / Zip Code18940
Primary CityNewtown
State / ProvincePA
CountyBucks
Total Population29,626
Population Density330.8 people/sq mi
TimezoneAmerica/New_York

How 18940 Compares

MetricZIP 18940Bucks County recordsPA records
Population estimate29,626634,655 (sum)13,018,637 (sum)
Population Density330.8 /sq mi----
County population rank#7 of 48----
State population rank#111 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 18980Wycombe3.4 mi308
ZIP 18946Pineville3.7 mi689
ZIP 18954Richboro3.9 mi10,380
ZIP 18977Washington Crossing4.0 mi4,569
ZIP 19047Langhorne6.0 mi34,563

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 →