37321 is zip code located in Dayton, Tennessee. The population is 19,711, making 37321 the largest zipcode in Dayton and the largest in Rhea County.
There are 4 public schools in 37321 with an average Homefacts rating of B. The total crime rate for Dayton is low , and there are 78 registered sex offenders residing in the zip code 37321. Unemployment in 37321 is very high.