> Actually they are a lot less of the North Dakota population[1] being 4.7% of the population.

Your reference [1] says that 30.8% of the state's population reports Norwegian ancestry, and 4.7% reports Swedish ancestry. Overall that's pretty close to the 1/3 I ballparked for Scandinavian-American.

Opps, I forgot the Norwegian[1]. Well, 30.8% of 8% of 10.7% is a pretty low number and assumes that the 8% is an even distribution over the White poverty rate.

1) I might still hold a grudge over the damn lefse and not being told its was potato before eating it. I was not in good shape 30 minutes later.

I think you are misreading your source. You seem to be interpreting it as saying that 8% of people in poverty are white, but what it actually says is that 8% of white people are in poverty.

Assuming that the poverty rate is evenly distributed over the white population, then the poverty rate for Scandinavians would also be 8%.

I'm not misreading the source, else 100% of the people in North Dakota would be in poverty. The Native Americans are listed as 35% and that is not their percentage of the population.

Then why are you taking 8% of 10.7%? The correct way to interpret the statistics is not "10.7% of people are in poverty and 8% of those are white", it's "8% of white people are in poverty and that 8% overlaps with the 10.7% of all people who are in poverty".