The 2020 Census citizenship question will affect your health care

Monday’s announcement that the 2020 census will include a question about citizenship was quickly met with uproar. Census data, is in a very big way, the bedrock of our democracy, as it’s used to decide congressional seats and electors in each state and how voting districts are drawn.

But it’s also incredibly important how federal funds are divvied out to state and localities. And that includes health care.

Asking about citizenship on the census dissuades man...