Which is kind of a silly age range to use for this purpose in Seattle, since Washington (unlike a number of other states) does not permit child (under 18) marriages and declares any marriage contracted by anyone under 18 void.
> > Median age of first marriage is ~30 for US men.
> Based on genealogy I've done, this stat also applies to the late 19th, early 20th centuries.
It was ~26 in 1890 reached a low of around 22 in the 1950s, and has been trending up since; its been consistently lower for women, though that gap has fluctuated over time and compressed recently to less than 2 years.
My observations vary by region. ex: I found later first marriages in NYC, earlier in Scranton PA - the latter being marked by a lot of labor-related deaths.