Highest Norwegian population share, US counties · 2020
US counties ranked by the share of all residents who are Norwegian ancestry (2020 American Community Survey). A concentration measure: Norwegian residents as a percentage of total population. Griggs County, North Dakota leads at 50.1%. 2,967 counties qualify in total. North Dakota carries 14 of the top 25 entries.
Norwegian Americans: full group profile →UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest norwegian share?
Griggs County, North Dakota ranks #1 with 50.1% (2020 Decennial Census).
What are the top 5 counties by norwegian share?
Griggs County, North Dakota, Marshall County, Minnesota, Steele County, North Dakota, Traill County, North Dakota, Nelson County, North Dakota.
How many counties are in this ranking?
2,967 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is norwegian share measured?
Share of all residents who are Norwegian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.