County profile

Williams County

North Dakota · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
39,555
Median household income
$85,595
People below poverty
8.6%
Median home value
$284,800

Income

The median income of households in Williams County, North Dakota was $85,595. An estimated 3.2% of households had income below $10,000 a year and 14% had income of $200,000 or more.

Household Income in Williams County, North Dakota in 2020-2024

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Percent
Less than $10,000 3.2
$10,000 to $14,999 2.9
$15,000 to $24,999 3.2
$25,000 to $34,999 7.5
$35,000 to $49,999 10.9
$50,000 to $74,999 16.5
$75,000 to $99,999 14.6
$100,000 to $149,999 15.9
$150,000 to $199,999 11.3
$200,000 or more 14

Median Earnings for Full-Time Year-Round Workers by Sex in Williams County, North Dakota in 2020-2024

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Dollars
Male 82094
Female 49247

An estimated 85.9% of households received earnings. An estimated 20.6% of households received Social Security and an estimated 14.5 % of households received retirement income other than Social Security. The average income from Social Security was $21,926. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in Williams County, North Dakota in 2020-2024

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Percent
Earnings 85.9
Social Security 20.6
Retirement income 14.5
Supplemental Security Income (SSI) 2.7
Cash public assistance income 3.5

Poverty and Participation in Government Programs

In 2020-2024, 8.6 % of people were in poverty. An estimated 10.2% of children under 18 were below the poverty level, compared with 9.5% of people 65 years old and over. An estimated 7.7% of people 18 to 64 years were below the poverty level.

Poverty Rates in Williams County, North Dakota in 2020-2024

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Percent
People in poverty 8.6
Children under 18 years below poverty 10.2
People 65 years old and over below poverty 9.5
People 18 to 64 years below poverty 7.7

In 2020-2024, 6 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 39.4% of households that received SNAP had children under 18, and 33.4% of households that received SNAP had one or more people 60 years and over. An estimated 9.3% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Williams County, North Dakota in 2020-2024, 88.5% had health insurance coverage and 11.5% did not have health insurance coverage. Private coverage was 78.9% and public coverage was 21%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 13.7%.


In 2020-2024, Williams County, North Dakota had a total population of 39,555 - 18,647 (47.1%) females and 20,908 (52.9%) males. The median age was 31.8 years. An estimated 30.2% of the population was under 18 years, 39.9% was 19 to 44 years, 18.1% was 45 to 64 years, and 9.9 % was 65 years and older.

Population by Age and Sex for Williams County, North Dakota in 2020-2024

Male Female
Under 5 1779 1565
5 to 9 2263 1457
10 to 14 1521 1802
15 to 19 1210 1092
20 to 24 1301 1024
25 to 29 1723 1347
30 to 34 1818 1775
35 to 39 1883 2098
40 to 44 1581 1246
45 to 49 1059 794
50 to 54 1092 758
55 to 59 709 859
60 to 64 1112 753
65 to 69 835 920
70 to 74 421 297
75 to 79 224 300
80 to 84 247 270
85 and over 130 290

Hispanic Origin and Race

For people reporting one race alone, 79.9% were White; 4.7% were Black or African American; 4.5% were American Indian and Alaska Native; 1.2% were Asian; 2.9% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 7.8% reported Two or More Races. An estimated 10.2% of the people in Williams County, North Dakota were Hispanic or Latino. An estimated 75.7% of the people in Williams County, North Dakota were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 15,154 households in Williams County, North Dakota. The average household size was 2.57 people.

Married-couple households made up 48% of the households in Williams County, North Dakota while cohabiting couple households made up 5.7% of households. Female householders with no spouse or partner present were 18.4% of all households, while 27.9% of households had male householders with no spouse or partner present. Some households had one person, as 18.4% of households were male householders living alone, and 12% were female householders living alone, for a total of 30.4% of all households.

In Williams County, North Dakota, 32.4% of all households had one or more people under the age of 18; 19% of all households had one or more people 65 years and over.

Types of Households in Williams County, North Dakota in 2020-2024

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Percent
Married-couple households 48
Cohabiting Couples 5.7
Male Householder
No spouse/partner present
27.9
Female Householder
No spouse/partner present
18.4

Marital Status

Among persons 15 and older, 50.8% of males and 58.5% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 32.7 24.9
Now married, except separated 50.8 58.5
Separated 1.4 1.2
Widowed 2 4.9
Divorced 13.1 10.5

Grandparents and Grandchildren

In Williams County, North Dakota, 213 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 36.2% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 91.5% of the people living in Williams County, North Dakota were U.S. natives. 42.9% of the Williams County, North Dakota population were living in the state where they were born.

Approximately 8.5% of Williams County, North Dakota residents in 2020-2024 were foreign-born. 40.6% of foreign-born were naturalized U.S. citizens and an estimated 32.3 % entered the country before the year 2010.

Foreign-born residents of Williams County, North Dakota come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for Williams County, North Dakota.

Region of Birth for the Foreign-Born Population in Williams County, North Dakota in 2020-2024

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Percent
Latin America 44.6
Asia 15.6
Europe 1.7
Africa 28.6
Northern America 9.2
Oceania 0.3

Language

Among people at least five years old living in Williams County, North Dakota in 2020-2024, 11.5 % spoke a language other than English at home. Spanish was spoken by 7.1% of people at least five years old; 3.8% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in Williams County, North Dakota in 2020-2024

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Percent
Spanish 7.1
Other Indo-European languages 2
Asian and Pacific Islander languages 1.1
Other languages 1.4

Geographic Mobility

In 2020-2024, 80.8 % of the people at least one year old living in Williams County, North Dakota were living in the same house one year earlier.

Geographic Mobility of Residents of Williams County, North Dakota in 2020-2024

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Percent
Same house 80.8
Different house, same county 10.3
Different county, same state 3.7
Different state 4.7
Abroad 0.4

Education

In 2020-2024, 93.1 % of people 25 years and over had at least graduated from high school and 24.4% had a bachelor's degree or higher. An estimated 6.9% did not complete high school.

The total school enrollment in Williams County, North Dakota was 10,504 in 2020-2024. Nursery school enrollment was 670 and kindergarten through 12th grade enrollment was 8,025. College or graduate school enrollment was 1,809.

Educational Attainment of People in Williams County, North Dakota in 2020-2024

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Percent
Less than high school diploma 6.9
High school diploma or equivalency 34.9
Some college, no degree 18.4
Associate's degree 15.4
Bachelor's degree 17.3
Graduate or professional degree 7.1

Disability

In Williams County, North Dakota, among the civilian noninstitutionalized population in 2020-2024, 11.1 % reported a disability. The likelihood of having a disability varied by age - from 3% of people under 18 years old, to 11.2% of people 18 to 64 years old, and to 35.9% of those 65 and over.


Employment Status and Type of Employer

In Williams County, North Dakota, 70 % of the population 16 and over were employed; 26.6% were not currently in the labor force.

An estimated 76.7% of the people employed were private wage and salary workers; 14.8% were federal, state, or local government workers; and 8.3 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 15,300 76.7
Federal, state, or local government workers 2,959 14.8
Self-employed workers in own not incorporated business 1,648 8.3

Industries

In 2020-2024, the civilian employed population 16 years and older in Williams County, North Dakota worked in the following industries:

Percent by Industry in Williams County, North Dakota in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 18.4
Construction 5.7
Manufacturing 4.2
Wholesale trade 2.9
Retail trade 12.2
Transportation and warehousing, and utilities 7.2
Information 1.2
Finance and insurance, and real estate and rental and leasing 3.8
Professional, scientific, and management, and administrative and waste management services 5.9
Educational services, and health care and social assistance 23.2
Arts, entertainment, and recreation, and accommodation, and food services 9.6
Other Services, except public administration 3.9
Public administration 1.8

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Williams County, North Dakota in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 7,069 35.4
Service occupations 3,102 15.5
Sales and office occupations 4,147 20.8
Natural resources, construction, and maintenance occupations 2,576 12.9
Production, transportation, and material moving occupations 3,066 15.4

Commuting to Work

An estimated 81.7% of Williams County, North Dakota workers drove to work alone in 2020-2024, and 9.9% carpooled. Among those who commuted to work, it took them on average 18.7 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Williams County, North Dakota in 2020-2024

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Percent
Car, truck, van -- drove alone 81.7
Car, truck, van -- carpooled 9.9
Public transportation (excluding taxicab) 0.3
Walked 3.7
Other means 0.5
Worked from home 4

In 2020-2024, Williams County, North Dakota had a total of 20,376 housing units. Of these housing units, 48.6% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 42.5% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 8.6% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Williams County, North Dakota in 2020-2024

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Percent
Single-family houses 48.6
Apartments in multi-unit structures 42.5
Mobile homes 8.6
Boat, RV, van, etc 0.3

40.7% of the housing inventory was comprised of houses built since 2010, while 8.3% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Williams County, North Dakota was 5 rooms, and of these housing units 52.7% had three or more bedrooms.


In 2020-2024, Williams County, North Dakota had 15,154 housing units that were occupied or had people living in them, while the remaining 5,222 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 53% while renters occupied 47%. The average household size of owner-occupied houses was 2.76 and in renter-occupied houses it was 2.34.

7.8% of householders of these occupied houses had moved into their house since 2021, while 10.1% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 6.6% and another 26.1% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Williams County, North Dakota:

House Heating Fuel Used in Williams County, North Dakota in 2020-2024

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Percent
Gas 52.9
Electricity 42.7
Fuel oil, kerosene, etc 1.4
All other fuels 1.8
No fuel used 1.2

In 2020-2024, the median property value for owner-occupied houses in Williams County, North Dakota was $284,800.

Of the owner-occupied households, 50.2 % had a mortgage. 49.8% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $2,008 and for owners without a mortgage it was $550.

For renter-occupied houses, the median gross rent for Williams County, North Dakota was $1,123. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.