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U.S. ZIP Code 18104
5-digit United States postal code #18104, Allentown, PA
ZIP code 18104 is located in the city (place name) Allentown, сounty Lehigh in the state of Pennsylvania. The population in ZIP code 18104 is 43236 and the population density is 722.7. ZIP code 18104 refers to сounty Lehigh having сounty FIPS 42077, the ratio of people from different counties in this ZIP code is as follows: all county weights - 42077: 100%. In the area of the ZIP code 18104 valid time zone America/New_York.
ZIP: 18104
County: Lehigh
Place Name: Allentown
State: Pennsylvania
State Abbreviation: PA
Coordinates: 40° 36' 40.644" N, 75° 32' 49.416" W
Latitude: 40.611290000000
Longitude: -75.547060000000
Population: 43236
Density: 722.7/km2
Time zone: America/New_York
County FIPS: 42077
All county weights: 42077: 100%