Highest White (non-Hispanic) population share, US counties · 1990
US counties ranked by the share of all residents who are White, not Hispanic or Latino (1990 American Community Survey). A concentration measure: White (non-Hispanic) residents as a percentage of total population. Slope County, North Dakota leads at 100.0%. 3,122 counties qualify in total. North Dakota carries 5 of the top 25 entries. The median across all 3,122 is 92.7%.
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest white, non-hispanic?
Slope County, North Dakota ranks #1 with 100.0% (1990 Decennial Census).
What are the top 5 counties by white, non-hispanic?
Slope County, North Dakota, Worth County, Missouri, Pierce County, North Dakota, Sequatchie County, Tennessee, Rock County, Nebraska.
How many counties are in this ranking?
3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.
How is white, non-hispanic measured?
Share identifying as White alone, not Hispanic or Latino. Source: US Census Bureau, 1990 Decennial Census.