66604 is zip code located in Topeka, Kansas. The population is 22,450, making 66604 the 2nd largest zipcode in Topeka and the 2nd largest in Shawnee County.
There are 7 public schools in 66604 with an average Homefacts rating of C-. The total crime rate for Topeka is high , and there are 84 registered sex offenders residing in the zip code 66604. Unemployment in 66604 is moderate.