Goth dating is very popular, though it's a niche compared with mainstream dating.
The goth subculture has existed for decades, and many people specifically seek partners who share interests in goth music, fashion, art, literature, and alternative lifestyles. As a result, there are:
That said, many goth people don't exclusively date other goths. Some prefer partners who share the culture, while others are open to dating anyone with compatible values and interests.
If you're wondering whether there's a large dating pool, it depends on your location. Major cities tend to have more active goth communities, while smaller towns may have fewer people involved in the scene.