COUNTY · 1990 CENSUS

Williams County

North Dakota · 21,129 residents · 2,077.6 sq mi

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The short version

Williams County has lower-than-average household income, with a median household income of $23,249. Population has held roughly steady since 2000. Median home value is $42,700.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 33.5

US median: 33.0

Less educated

14% hold a bachelor's degree

US average: 20%

Stable housing

home values roughly flat, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

21,129

+7%vs 2000

vs 19,761 in 2000

1990 – 2025

Median age

33.5

−16%vs 2000

vs 39.8 in 2000

US average: 33.0

Population, 1990 – 2024

202440K

Age distribution, 1990

Under 57.5%(1,587)

US avg: 7.3%

5 to 99.9%(2,085)

US avg: 7.3%

10 to 148.3%(1,752)

US avg: 6.9%

15 to 196.7%(1,414)

US avg: 7.1%

20 to 243.7%(777)

US avg: 7.5%

25 to 3416.9%(3,576)

US avg: 17.5%

35 to 4415.1%(3,186)

US avg: 15.1%

45 to 549.2%(1,934)

US avg: 10.2%

55 to 648.6%(1,809)

US avg: 8.5%

65 to 747.7%(1,632)

US avg: 7.3%

75 to 845.2%(1,094)

US avg: 4%

85 and over1.3%(283)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$23,249

−3%inflation adjusted, since 2000

vs $31,491 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,165

−33%vs 2000

vs $16,763 in 2000

US average: $14,340

Poverty rate

14.0%

+2.1 ptsvs 2000

vs 11.9% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$42,700

+5%inflation adjusted, since 2000

vs $53,500 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$266

+6%inflation adjusted, since 2000

vs $331 in 2000

US average: $450

Owner-occupied

70.7%

−0.6 ptsvs 2000

vs 71.4% in 2000

29.3% rent

RELATED:See current rent listings in Williams County on RentDataNow

Section 04

Race & ethnicity

2000

White, non-Hispanic92.3%(18,245)

Black0.1%(18)

Hispanic / Latino0.9%(185)

Asian0.2%(36)

Other0%

1990

White, non-Hispanic95.1%(20,100)

Black0%(0)

Hispanic / Latino0.5%(113)

Asian0.1%(12)

Other4.8%(1,017)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican7.7%(3,050)

South American0.9%(374)

Central American0.9%(362)

Peruvian0.6%(229)

Chilean0.3%(136)

Honduran0.2%(85)

Dominican0.2%(73)

Salvadoran0.2%(71)

Guatemalan0.1%(53)

Puerto Rican0.1%(34)

Panamanian0.1%(24)

Cuban0%(10)

+ 1 more hispanic origin group with data

Colombian0%(9)

Asian origin

Filipino1%(387)

Korean0.1%(51)

Chinese0.1%(25)

Vietnamese0%(9)

Asian Indian0%(9)

Pacific Islander origin

Native Hawaiian0.2%(74)

Chamorro0.1%(47)

Samoan0%(13)

Ancestry

German17.5%(6,916)

Norwegian16.1%(6,361)

English6.2%(2,447)

Irish5.9%(2,317)

American4.4%(1,759)

Swedish2.1%(850)

Polish1.6%(635)

Subsaharan African1.5%(596)

French1.4%(564)

Dutch1.3%(505)

French Canadian1.2%(460)

Scottish1%(377)

+ 24 more ancestry groups with data

Russian0.9%(359)

Italian0.7%(286)

Scotch-Irish0.7%(276)

Danish0.6%(238)

Finnish0.5%(198)

Welsh0.3%(122)

Greek0.3%(120)

West Indian0.3%(114)

Jamaican0.3%(114)

Nigerian0.3%(112)

Arab0.3%(108)

Lebanese0.3%(108)

Canadian0.2%(66)

British0.1%(59)

Turkish0.1%(57)

Ukrainian0.1%(56)

Portuguese0.1%(45)

Czech0.1%(37)

Romanian0.1%(37)

Belgian0.1%(27)

Swiss0.1%(25)

Hungarian0.1%(21)

Armenian0%(15)

Australian0%(10)

RANKED:Largest German population · Largest Norwegian population · Largest Mexican population · Largest English population · Largest Irish population

Section 05

Education

Bachelor's degree or higher

14.3%

−2.2 ptsvs 2000

vs 16.5% in 2000

US average: 20.3%

High school or higher

76.8%

−5.7 ptsvs 2000

vs 82.5% in 2000

US average: 75.2%

Graduate degree

2.4%

−1.7 ptsvs 2000

vs 4.1% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

17.5 min

+45%vs 2000

vs 12.0 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married32.7%(5,011)

Married52.2%(8,012)

Widowed2%(307)

Divorced13.1%(2,015)

Women 15+

Never married24.9%(3,441)

Married59.7%(8,250)

Widowed4.9%(679)

Divorced10.5%(1,453)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

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Places similar to Williams County

Head to head

Compare Williams County to nearby counties

WILLIAMS COUNTY VS

Divide County

Income$91,852+295%

Home value$167,600+293%

Population2,110−95%

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WILLIAMS COUNTY VS

McKenzie County

Income$93,404+302%

Home value$349,600+719%

Population15,192−64%

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WILLIAMS COUNTY VS

Sheridan County

Income$70,147+202%

Home value$124,000+190%

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WILLIAMS COUNTY VS

Mountrail County

Income$80,717+247%

Home value$232,700+445%

Population9,395−78%

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Frequently asked

How many people live in Williams County, North Dakota?

Williams County, North Dakota has about 21,129 residents according to the 1990 Census.

What is the median household income in Williams County, North Dakota?

The typical household in Williams County, North Dakota earns about $23,249 a year. Half of households make more than that, and half make less.

Is Williams County, North Dakota expensive?

In Williams County, North Dakota, the median home is worth about $42,700, and the typical rent is about $266 a month.

How educated are people in Williams County, North Dakota?

About 14.3% of adults age 25 and over in Williams County, North Dakota hold a bachelor's degree or higher.

What is the poverty rate in Williams County, North Dakota?

About 14.0% of people in Williams County, North Dakota live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →