Dublin is a city in Delaware, Franklin, and Union counties in the U.S. state of Ohio. The population was 31,392 at the 2000 census. In 2006, the population was estimated to be 36,565, and Dublin continues to be one of the fastest-growing suburbs of Columbus. In addition, thousands more live outside the municipal boundaries of Dublin, yet are generally considered Dubliners because they reside within the school district. Approximately 57,000 people live within the school district. Dublin apartments for rent comparison page shows most up to date rent information on Dublin apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.