The 2015 U.S. Transgender Survey is a new report from the National Center for Transgender Equality. You can read the report and watch at watch a video recording of the release event at http://www.ustranssurvey.org/.
"With almost 28,000 respondents, the U.S. Transgender Survey (USTS) is the largest survey ever devoted to the lives and experiences of trans people. The staff of the National Center for Transgender Equality (NCTE) and the rest of the USTS team are thrilled to share the results of the USTS with you." (NCTE)
The main report page includes the complete report, executive summary, and reports for individual states which are currently being added as they are processed. The report for Arkansas has been released.