Highest Norwegian population share, US counties · 2020
US counties ranked by the share of all residents who are Norwegian ancestry (2023 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.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest norwegian share?
Griggs County, North Dakota ranks #1 with 50.1% (2020 American Community Survey).
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 ACS 5-year data.
How is norwegian share measured?
Share of all residents who are Norwegian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2020).