51503 is zip code located in Council Bluffs, Iowa. The population is 36,673, making 51503 the largest zipcode in Council Bluffs and the largest in Pottawattamie County.
There are 8 public schools in 51503 with an average Homefacts rating of C. The total crime rate for Council Bluffs is high , and there are 73 registered sex offenders residing in the zip code 51503. Unemployment in 51503 is moderate.