73503 Frequently Asked Questions

A: ZIP Code 73503 is Located in Fort Sill Oklahoma. Portions of 73503 are also in Lawton.

A: ZIP Code 73503 is Located Entirely in Comanche County Oklahoma.

A: The Current Sales Tax in ZIP Code 73503 is 9.0%

A: The Area Code for 73503 is 580.

A: ZIP Code 73503 is in the Oklahoma 4th Congressional District.

A: 73503 is within Oklahoma State House of Representatives District 63 and Oklahoma State House of Representatives District 65.

A: 73503 is within Oklahoma State Senate District 31 and Oklahoma State Senate District 32.

A: The 2022 population of ZIP Code 73503 is 11528. The population growth rate in 73503 is 5.65%. The population density of 73503 is 442.

A: The majority race/ethnicity of people residing in 73503 is White (60.62%). The majority race/ethnicity of students attending public schools in 73503 is White(43.07%).

A: The median household income in 73503 is $49,564 (2021) and the average adjusted income is $135,060 (2021).