Manhattan (well, it was just New York at the time) and Brooklyn were their own cities. Also, each NYC borough is in its own county (Manhattan --> New York Count

Manhattan (well, it was just New York at the time) and Brooklyn were their own cities. Also, each NYC borough is in its own county (Manhattan --> New York County, Queens --> Queens County, Brooklyn --> Kings County, Bronx --> Bronx County, Staten Island --> Richmond County).