The 2010 U.S. Census has provided source data for many of our puzzles, and today's mentalfloss.com Brain Game Tuesday Test Time challenge is a prime example. Good luck:

The three most populous cities
in which U.S. state each begin
with the same letter of the alphabet?

Here is the ANSWER.

ANSWER:

OHIO. Its three most populous cities are Columbus, Cleveland, and Cincinnati.

Thanks for playing! Tomorrow, it's Wordplay Wednesday.