Williams County, ND Demographics

The total population of Williams County is estimated to be 39,076 with 21,134 males (54.08%) and 17,942 females (45.92%). There are 3,192 less females than males in Williams County.
The median household income in Williams County was $86,626 in 2021, which marked an a decrease of 3,468(3.85%) from $90,094 in 2020. This income is 116.11% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Williams County sees its highest median household income among householders in the age group of 45 to 64 years old, at $123,188. Overall, the median household income for the county of Williams County stands at $86,626.
In Williams County, the median income for all workers aged 15 years and older, regardless of work hours, was $63,242 for males and $32,768 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $80,423 for males and $45,610 for females.
In Williams County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $135,085, while Black or African American households represent the opposite end with the lowest median household income of $53,281.
In 2022, the population of Williams County was 38,109, a 0.98% decrease year-by-year from 2021. Previously, in 2021, Williams County's population was 38,487, a decline of 6.55% compared to a population of 41,184 in 2020.
The median age in Williams County, ND is 31.6, as per 2021 ACS 5-Year Estimates. Of the total population, 25.94% were under the age of 15, 20.30% aged 15 to 29, 44.57% aged 30 to 64, 7.52% aged 65 to 84, and 1.67% were 85 years of age and older.
Racial distribution of Williams County population: 79.90% are White, 4.81% are Black or African American, 2.49% are American Indian and Alaska Native, 1.18% are Asian, 0.23% are Native Hawaiian and other Pacific Islander, 5.80% are some other race and 5.59% are multiracial.