Atlantic County is a subdivision of the State of New Jersey. The County is governed by a Board of Freeholders and a County Executive based in Mays Landing. Its largest city is Atlantic City. According to the 1920 United States census the county has a population of 83,914 people. Nucky Thompson is the Atlantic County Treasurer. It is policed by the Atlantic County Sheriff's Office with the former Sheriff being Nucky's brother Eli Thompson.