61540 is zip code located in Lacon, Illinois. The population is 2,891, making 61540 the largest zipcode in Lacon and the 2nd largest in Marshall County.
There are 1 public schools in 61540 with an average Homefacts rating of B+. The total crime rate for Lacon is very low , and there are 0 registered sex offenders residing in the zip code 61540. Unemployment in 61540 is very high.