Oceanside is a suburb of New York City with a population of 31,182. Oceanside is in Nassau County and is one of the best places to live in New York. Living in Oceanside offers residents a sparse suburban feel and most residents own their homes. In Oceanside there are a lot of bars, restaurants, coffee shops, and parks. Many young professionals live in Oceanside and residents tend to lean liberal. The public schools in Oceanside are highly rated.