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Ah, roommates. Every time the Brita is sitting empty in the fridge (seriously, who does that?), the last roll of toilet paper is gone without warning, or a passive-aggressive text pops up, I just remember that there’s a reason I don’t live alone—it starts and ends with my bank account.

But how much, exactly, are we saving in D.C. by choosing to co-habitate?

According to an analysis from financial tech company SmartAsset, splitting the rent for a two bedroom with a roomie rather than a one bedroom alone in D.C. will save you more than $7,000 annually. (Living in a group house, with multiple flatmates, or in a one-bedroom apartment with a significant other will net you even more savings.)

That means that the District is sixth on a list of cities where folks save the most by renting with a roommate—around $590 per month. In number one San Francisco, though, people save more than $1,100 monthly.

D.C. also placed sixth on last year’s list, though savings increased by $12 a month since then.

A lot of Washingtonians have already gotten the message. An analysis from Priceonomics last fall found that 18 to 39-year-olds in D.C. are the fourth most likely to be living with people who aren’t their family or spouses. It’s 21 percent, wheras the average of the top 50 cities is 12 percent.

Image via SmartAsset.