18109 Frequently Asked Questions

A: ZIP Code 18109 is Located in Allentown Pennsylvania. Portions of 18109 are also in Bethlehem, Catasauqua, Hanover Township (Lehigh County), Hanover Township (Northampton County), East Allen Township, Salisbury Township (Lehigh County).

A: ZIP Code 18109 is Located Primarily in Lehigh County Pennsylvania with Portions in Northampton County.

A: The Current Sales Tax in ZIP Code 18109 is 6.0%

A: The Area Codes for 18109 are 484, 610 and 835

A: ZIP Code 18109 is in the Pennsylvania 7th Congressional District.

A: 18109 is within Pennsylvania State House of Representatives District 22, Pennsylvania State House of Representatives District 133, Pennsylvania State House of Representatives District 135 and Pennsylvania State House of Representatives District 183.

A: 18109 is within Pennsylvania State Senate District 14 and Pennsylvania State Senate District 18.

A: The 2022 population of ZIP Code 18109 is 17745. The population growth rate in 18109 is -1.73%. The population density of 18109 is 1,819.

A: The majority race/ethnicity of people residing in 18109 is White (45.10%). The majority race/ethnicity of students attending public schools in 18109 is Hispanic(73.34%).

A: The median household income in 18109 is $48,065 (2021) and the average adjusted income is $325,680 (2021).