None of the overdoses has proven fatal, according to the report.
Other overdoses have taken place in Berlin, Stratford and Gloucester City. Authorities are seeking a connection in the cases, according to the report.
The reported spike began Tuesday evening and continued into Wednesday.
Camden was No. 5 on the list of 45 New Jersey towns with the most heroin abuse in 2012. Gloucester City was No. 27 on that list compiled based on statistics provided by the Division of Addiction Services in the New Jersey Department of Human Services.
Anyone with information that might help is asked to call the Camden County Police Department’s anonymous tip line at 856-757-7042.