Which one of these would you say is correct?

Argument for "is": In English "data" is treated as an uncountable noun.

Argument for "are": In Latin, "data" is the plural of "datum".

Here are some data
14.9%
Here is some data
85.1%
Poll ended at .

@marginalia

I think of it like how the plural of "rice" is "rice".

I wouldn't give someone a bowl of rice and say "here are some rice".