10 Types of 30-Year-Old Single Guys. The interesting thing is at 20 there is only one. I’m happy because there aren’t many 30 year old girls I know dating. Home > Blog > Online Dating > Why Do Women in Their 30s Not Want. A 30 year old can relate more to a 20 year old. Went on a date with a 25 year old. Best. When she met her…