I haven’t been breaking out the Hispanic and Asian data because the oldest consistent data is from the 1980s and most of the data directly comparable to white and black households is from the 1990s on. It’s also harder to break out because Hispanic and Asian are just broad government terms for a huge array of ethnic groups and a lot of what people mean when they say “Hispanic” or “Asian” only refers to a handful of ethnic groups.
But for the purposes of looking at current married households, I will probably go ahead and add in the Asian and Hispanic data in the next few months when we’re settled down somewhere shiny and chrome, as Asians are almost entirely “college moms” in the most recent 10 years or so of birth data (~85% rate). Asians are also the group that are most likely to engage in the “one prized, intensively parented child fairly late in life” mothering approach. They are more likely to do this than the usual bogeyman of college educated white women.
Hispanics, conversely are in a very real sense the direct replacement for the non-college white working class births. They really have filled in the slot formerly occupied by Catholic white ethnic groups in terms of cohesive family structure without a lot of education.