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COUNTY · 2020 ACS

Williams County

North Dakota · 40,950 residents · 2,077.6 sq mi
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The short version

Williams County is wealthier than most US places, with a median household income of $79,508. The county has more than doubled in size since 2000, adding 21,189 residents. Median home value has more than tripled since 2000, reaching $254,800. At a median age of 31.6, residents skew younger than the country as a whole. Poverty is rare here, at 5.8% of residents.

At a glance
Wealthier
above the US median
US median: $66,278
Younger
median age 31.6
US median: 38.8
Less educated
26% hold a bachelor's degree
US average: 33%
Less affordable
home values up 217%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
40,950
+107%since 2000
from 19,761 in 2000
1990 – 2025
Median age
31.6
−21%since 2000
from 39.8 in 2000
US average: 38.8
Population, 1990 – 2024
18K24K30K37K43K1990201020202024Williams County
202440K
1990201020202024
Age distribution, 2020
Under 58.8%(3,611)
US avg: 5.6%
5 to 98%(3,279)
US avg: 6.1%
10 to 146.9%(2,841)
US avg: 6.5%
15 to 195.9%(2,433)
US avg: 6.6%
20 to 247%(2,868)
US avg: 6.7%
25 to 3419.5%(7,991)
US avg: 13.5%
35 to 4413.9%(5,683)
US avg: 12.7%
45 to 5410.5%(4,280)
US avg: 12.3%
55 to 6410.6%(4,359)
US avg: 13.1%
65 to 745.5%(2,245)
US avg: 10%
75 to 842.3%(933)
US avg: 4.9%
85 and over1%(427)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$79,508
+68%inflation adjusted, since 2000
from $31,491 in 2000
US average: $66,278
1990 – 2024
Per capita income
$43,364
+159%since 2000
from $16,763 in 2000
US average: $35,364
Households earning $100K+
54.1%
+24.6 ptssince 2009
from 29.5% in 2009
US average: 43.9%
Poverty rate
5.8%
−6.1 ptssince 2000
from 11.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Agriculture, forestry, fishing23.8%
US avg: 1.7%
Manufacturing20.2%
US avg: 0.5%
Information10.4%
US avg: 11.1%
Finance & insurance7.8%
US avg: 5.5%
Wholesale trade7.2%
US avg: 6.7%
Transportation & warehousing6.4%
US avg: 2.5%
Professional, scientific, technical6%
US avg: 4.7%
Other services4.4%
US avg: 6.6%
Construction3.6%
US avg: 1.2%
Public administration2.8%
US avg: 4.7%
Retail trade2.4%
US avg: 10%
Education & health services1.8%
US avg: 0.8%
Arts, entertainment, food0.4%
US avg: 2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$254,800
+217%inflation adjusted, since 2000
from $53,500 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,005
+102%inflation adjusted, since 2000
from $331 in 2000
US average: $1,124
Owner-occupied
47.6%
−23.8 ptssince 2000
from 71.4% in 2000
52.4% rent
Afford Score
3.2
+91%since 2009
from 1.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
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%
2020
White, non-Hispanic75.1%(30,761)
Black5%(2,041)
Hispanic / Latino9.5%(3,897)
Asian1.5%(612)
Other7.7%(3,149)
Segregation Score
28
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican4.9%(1,779)
Puerto Rican1.5%(527)
Colombian0.8%(293)
Spaniard0.4%(130)
Chilean0.3%(126)
Dominican0.2%(80)
Asian origin
Filipino0.7%(270)
Laotian0.3%(100)
Japanese0.1%(27)
Chinese0.1%(22)
Korean0%(17)
Pacific Islander origin
Marshallese0.3%(96)
Samoan0.2%(63)
Ancestry
Norwegian22.4%(8,072)
German21.7%(7,838)
Irish7.1%(2,561)
English3.3%(1,199)
Swedish2.5%(902)
American2.3%(846)
French2.2%(803)
Scottish2%(705)
Finnish1.7%(602)
Polish1.6%(585)
Italian1.4%(515)
+ 26 more ancestry groups with data
Dutch1.2%(449)
Russian1.1%(381)
Danish0.9%(319)
Scotch-Irish0.7%(241)
Greek0.5%(181)
Romanian0.5%(163)
Czech0.4%(156)
Palestinian0.4%(147)
British0.3%(114)
Lebanese0.3%(106)
Belgian0.3%(100)
Syrian0.2%(78)
Welsh0.2%(71)
Austrian0.2%(67)
Canadian0.1%(54)
Swiss0.1%(51)
Ukrainian0.1%(44)
Portuguese0.1%(35)
Slovak0%(14)
Somali0%(4)
Latvian0%(1)
RANKED:Largest Norwegian population · Largest German population · Largest Irish population · Largest Mexican population · Largest English population
Section 05

Education

Bachelor's degree or higher
25.6%
+9.1 ptssince 2000
from 16.5% in 2000
US average: 32.9%
High school or higher
90.6%
+8.1 ptssince 2000
from 82.5% in 2000
US average: 88.5%
Graduate degree
5.4%
+1.3 ptssince 2000
from 4.1% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
16.1 min
+34%since 2000
from 12.0 min in 2000
US average: 26.9
Drive alone to work
85.1%
+8.0 ptssince 2009
from 77.2% in 2009
US average: 75.1%
No vehicle available
4.4%
−0.3 ptssince 2009
from 4.7% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.4%
+2.0 ptssince 2011
from 1.4% in 2011
US average: 5.4%
Labor force participation
74.4%
+2.8 ptssince 2011
from 71.5% in 2011
US average: 63.4%
Management & professional
27.9%
−31.5 ptssince 2009
from 59.4% in 2009
US average: 39.3%
Section 08

People & community

Male
54.1%
+5.4 ptssince 2009
from 48.7% in 2009
Female
45.9%
−5.4 ptssince 2009
from 51.3% in 2009
Foreign born
7.4%
+6.4 ptssince 2009
from 0.9% in 2009
US average: 13.5%
Uninsured
13.2%
−76.8 ptssince 2013
from 90.0% in 2013
US average: 8.8%
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
Drill deeper

Places similar to Williams County

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Pop 41,876
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Pop 37,128
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Pop 38,089
Jefferson County
Pop 35,297
Places similar to Williams County
Head to head

Compare Williams County to nearby counties

WILLIAMS COUNTY VS
Divide County
Income$91,852+16%
Home value$167,600−34%
Population2,110−95%
SEE FULL COMPARISON →
WILLIAMS COUNTY VS
McKenzie County
Income$93,404+17%
Home value$349,600+37%
Population15,192−64%
SEE FULL COMPARISON →
WILLIAMS COUNTY VS
Sheridan County
Income$70,147−12%
Home value$124,000−51%
Population3,436−92%
SEE FULL COMPARISON →
WILLIAMS COUNTY VS
Mountrail County
Income$80,717+2%
Home value$232,700−9%
Population9,395−78%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williams County, North Dakota?

Williams County, North Dakota has about 40,950 residents according to the 2020 American Community Survey.

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

The typical household in Williams County, North Dakota earns about $79,508 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 $254,800, and the typical rent is about $1,005 a month.

How educated are people in Williams County, North Dakota?

About 25.6% 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 5.8% of people in Williams County, North Dakota live below the federal poverty line.

Has Williams County, North Dakota grown since 1990?

Yes, Williams County, North Dakota has grown since 1990. The population has added about 19,821 residents, a change of about 94 percent over that period.

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Explore from here

8 census tracts
Census Tract 9537.01Census Tract 9537.02Census Tract 9541Census Tract 9539Census Tract 9535Census Tract 9536Census Tract 9534Census Tract 9538
9 ZIP codes
ZIP 58801ZIP 58852ZIP 58849ZIP 58843ZIP 58845ZIP 58853ZIP 58856ZIP 58755ZIP 58830
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →