JETRO just released the findings of research done about Houston and Dallas to the Japanese community. In the newest report, they reveal everything from demographics of the two cities, to statistics on housing, religion, health, leisure, education, even weddings! Take a look at their new report here: https://www.jetro.go.jp/ext_images/_Reports/02/2016/4a7eb1b76a8e0e00/4_live.pdf.
Pay special attention to page 3 (49)