73018 is zip code located in Chickasha, Oklahoma. The population is 20,368, making 73018 the largest zipcode in Chickasha and the largest in Grady County.
There are 7 public schools in 73018 with an average Homefacts rating of B+. The total crime rate for Chickasha is high , and there are 50 registered sex offenders residing in the zip code 73018. Unemployment in 73018 is moderate.
Zip codes within Chickasha include 73023.