Guess the 24 US metro areas with the highest Scandinavian immigrant population as a proportion of total population.
All answers are metropolitan areas as defined by OMB, not city boundaries.
Proportion immigrant population is the estimated proportion of all residents, regardless of legal immigration or citizenship status, who were born in Denmark, Norway, Sweden, Iceland, or Finland (I'm not sure whether Estonia is included or not).
Source: US Census Bureau American Factfinder place of birth tables, 2010-2015.