Singles are typically a net economic gain, because they pay a higher tax rate (including indirectly paying for property taxes via their rent), spend more money on consumables like alcohol and music shows, and do not draw upon services like public schools.
However they are less likely to purchase homes, which makes them less personally invested in the success of the city and their own neighborhoods compared to families.
A thriving nightlife (music shows, art galleries, microbreweries and bars) often indicates a city with plenty of opportunity to meet others singles.
(Yes, they are Hollywood A-listers who may never even know your name, let alone that you exist. ) The only problem with being a member of such a large unmarried group, informally known as “America’s Singles Club,” is that your prospects need to live within a drivable or walkable distance — unless you and your future beau can tolerate a completely or partially virtual relationship. Regardless of your preference, know that Wallet Hub is cheering for you.
Often people don't consider homeownership until after marriage, but as young adults these days wait considerably longer to settle down with a permanent partner compared to decades past, they may spend several years renting when instead they could be building equity in a home that they can later sell or rent out after marriage.
Finally, singles often eat out at restaurants or order takeout more than families because they feel it's not worth the effort to cook for themselves, and in general participate more in city nightlife.
Singles can get the same benefits by living with roommates or in house shares with others.
Older singles should consider buying a condo or a house where they rent out rooms to roommates.