In 2020, Williams County, ND had a population of 36k people with a median age of 31.5 and a median household income of $79,508. Between 2019 and 2020 the population of Williams County, ND grew from 35,208 to 36,044, a 2.37% increase and its median household income declined from $87,161 to $79,508, a −8.78% decrease.
The 5 largest ethnic groups in Williams County, ND are White (Non-Hispanic) (78.1%), Black or African American (Non-Hispanic) (4.53%), Two+ (Non-Hispanic) (4.34%), Other (Hispanic) (4.18%), and White (Hispanic) (3.17%).
None of the households in Williams County, ND reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
95.2% of the residents in Williams County, ND are U.S. citizens.
The largest universities in Williams County, ND are Williston State College (390 degrees awarded in 2020).
In 2020, the median property value in Williams County, ND was $254,800, and the homeownership rate was 53%.
Most people in Williams County, ND drove alone to work, and the average commute time was 16.1 minutes. The average car ownership in Williams County, ND was 2 cars per household.