Of course it was 2010. The census is only done every ten years, so the next one is going to be in 2020.

You say things have changed, but you link to my source, which supports my numbers.

What official source do you have to support that "Things have changed?"

In fact, your link shows that the percentage of "White alone" population in Hillsborough County (surrounding Tampa) has risen from 71.3% in 2010 to 74.8% in July 2016. (Remember that they count Hispanics as White.)