They all have 4 weeks, but February is the only one to have exactly 4 weeks (except in Leap years when it has 4 weeks and 1 day). April, June September and November each have 30 days = 4 weeks and 2 days. The rest of the months each have 31 days = 4 weeks and 3 days.
Prospect Heights, IL Other Information. 1  Located in COOK County, Illinois. 2  Prospect Heights, IL is also known as: 3  PROSPECT HTS, IL.
Homefacts City Report. Chicago Heights is located in Cook County, IL. The population is 30,348. There are 20 public schools in Chicago Heights with an average Homefacts rating of D+. The total crime rate for Chicago Heights is moderate, and there are 46 registered sex offenders residing in the city.