March is Irish-American history month (see the President’s proclamation here), and with St. Patrick’s Day upon us, we looked to the American Community Survey to see how many people in the District are estimated to have Irish ancestry.
In 2013, the District was estimated to have 42,268, a figure which may include the most famous District resident with Irish ancestry, the President himself. The estimate has been fairly steady the last five years.
Among the states, however, the District has the third lowest percentage of the population estimated to have Irish ancestry in 2013 at 6.5 percent. Only Utah and Hawaii have fewer (percentage of) Irish.
What exactly is this data? We used the 1-year estimates of the U.S. Census Bureau, American Community Survey (ACS). Specifically, we looked at the variable “total ancestry reported”, which includes a tally of people with one or more ancestry categories reported. Although the ACS produces demographic estimates, it is the Census Bureau’s Population Estimates Program that produces and disseminates the official estimates of the population.