If you're looking for population & steets in Vining City, Ohio, you've come to the right place. The data below gives you a good idea of the area's demographics. There are approximately 33,000 residents living in Vining City. The median age was 46.5 years. The population was made up of 19.1% children under the age of 18, 11.5% adults aged 18 to 24, 21.7% adults aged 25 to 44, and 21.7% seniors aged 65 or older.