All observations are July 1 estimates of each year.
This series is calculated by FRB-St. Louis using data series from the Census Bureau. The FRB-Dallas District includes all of Texas, a majority of New Mexico, and parts of Louisiana.
Source: US. Bureau of the Census
US. Bureau of the Census, Resident Population in FRB-Dallas District [D11POP], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/D11POP/, August 29, 2015.