Where the Singles Are: Cities With the Most Unmarried Adults

There's a map you can draw of where unmarried adults pile up in this country, and it isn't subtle. The cities with the most never-married adults are the big, dense urban cores - places where young professionals and renters cluster, where rent buys a one-bedroom instead of a yard. The married couples? A lot of them already left for the suburbs. So when you look at the share of grown adults who have never been married, the contrast between a downtown and the master-planned town 25 minutes away can be enormous.

I pulled the marital-status numbers from the Census Bureau's American Community Survey (2020-2024 estimates) for every large city, meaning population over 250,000. Here's what the data actually shows, plus one result for Washington, DC that breaks the rule.

The cities with the most never-married adults

Detroit leads. Among adult men there, 59.4% have never married, and among women it's 55.0%. Those are not small shares. In a city of that size, well over half the adults of each sex have never had a wedding. Detroit isn't an outlier so much as the clearest version of a pattern that repeats across the older industrial Midwest and Northeast.

Right behind it: Cleveland at 57.0% of men and 51.6% of women, and Atlanta at 57.0% of men and 52.7% of women. Then Milwaukee (56.8% / 53.8%), Boston (56.4% / 55.2%), and Pittsburgh (56.1% / 53.2%). Washington, DC lands at 54.9% of men and 56.0% of women, and Baltimore rounds out the group at 54.3% / 51.3%.

A few things tie these places together. They're real cities with dense cores, not sprawling Sun Belt grids. They have large student and young-worker populations. And they've spent decades watching families with kids decamp to the surrounding counties. The people left counting in the city limits skew younger and less likely to have married yet.

The Washington, DC twist

Here's the one that is surprising. In almost every large city, more men than women have never married. You can see it down the whole list above - the male share runs a few points higher, sometimes a lot higher, as in Detroit's 59.4 to 55.0 gap.

Washington, DC flips it. There, 56.0% of women have never married versus 54.9% of men. The female share is the higher one. DC is the standout in this dataset for putting women on the unmarried side of the ledger more often than men. I won't pretend to know every reason, but a city built around government, law, and professional careers, with a lot of educated women who moved there for work, is a plausible piece of it.

The most-married big cities are basically suburbs

Now flip the question. Which large cities have the fewest never-married adults? The answer doubles as proof of the suburb theory, because the "cities" at the top of the married list are master-planned, family-oriented places that happen to have crossed 250,000 people.

Among men, the lowest never-married shares are Henderson, Nevada and Plano, Texas, tied at 31.2%. Then Gilbert, Arizona at 31.9%, Chesapeake, Virginia at 32.9%, Colorado Springs at 34.6%, Virginia Beach at 35.0%, Mesa, Arizona at 36.9%, and Oklahoma City at 37.4%.

Henderson is greater Las Vegas. Plano and Gilbert and Mesa are sprawl built for households with kids. Chesapeake and Virginia Beach are family-heavy corners of the Hampton Roads area. These are the destinations, not the departure points. When a married couple in their thirties leaves an old urban core, this is the kind of place they're often leaving for. So the same migration that empties married couples out of Detroit fills them into Henderson, and the marital-status data captures both ends of the move.

One big caveat before you read too much into it

"Never married" is not the same as "single right now," and the gap matters. The ACS counts every adult age 15 and up. That floor pulls in a lot of teenagers and college students who simply haven't gotten around to marrying yet, which is very different from a 45-year-old who's deciding to stay unmarried. A city with a big university will look more "single" partly because it's full of 19-year-olds.

The category also doesn't include people who married and then divorced or were widowed. Someone divorced at 50 is unmarried in plain English but does not count as never-married here. So treat these shares as a measure of who hasn't walked down the aisle yet, not a tally of everyone currently on the dating market. Read that way, the numbers are honest. Read as a "singles scene" score, they'll mislead you.

If you want to see how your own city stacks up, or line two of them up side by side before you pack a moving truck, the compare tool is the fastest way to do it, and each city page (try Detroit or Henderson) breaks the marital-status splits down further. Go poke at the place you actually care about.

Sources

Figures are from the U.S. Census Bureau, American Community Survey (2020-2024 estimates), share of adults age 15 and up who have never married, by sex. City-level pages used include Detroit, MI, Washington, DC, and Henderson, NV.