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COUNTY

Williams County

North Dakota · 41,767 residents (2025 est.) · 2,077.6 sq mi
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Notable rankings
#83Youngest by median ageof 3,14431.8
The short version

Williams County has roughly average household income, with a median household income of $85,595. The county has more than doubled in size since 2000, adding 19,794 residents. Median home value has more than tripled since 2000, reaching $284,800. At a median age of 31.8, residents skew younger than the country as a whole. It ranks in the top 5% of US counties for household income.

At a glance
Average income
near the US median
US median: $82,259
Younger
median age 31.8
US median: 38.9
Less educated
24% hold a bachelor's degree
US average: 36%
Less affordable
home values up 192%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
39,555
+100%since 2000
from 19,761 in 2000
1990 – 2025
Population density
19 / sq mi
+101%since 2009
from 9 / sq mi in 2009
US average: 281
Median age
31.8
−20%since 2000
from 39.8 in 2000
US average: 38.9

PEP 2025 EST:41,767 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
18K24K30K37K43K1990201020202024Williams County
202440K
1990201020202024
Age distribution, 2024
Under 58.5%(3,344)
US avg: 5.6%
5 to 99.4%(3,720)
US avg: 6%
10 to 148.4%(3,323)
US avg: 6.4%
15 to 195.8%(2,302)
US avg: 6.6%
20 to 245.9%(2,325)
US avg: 6.5%
25 to 3416.8%(6,663)
US avg: 13.7%
35 to 4417.2%(6,808)
US avg: 13.2%
45 to 549.4%(3,703)
US avg: 12.2%
55 to 648.7%(3,433)
US avg: 12.7%
65 to 746.3%(2,473)
US avg: 10.2%
75 to 842.6%(1,041)
US avg: 5.1%
85 and over1.1%(420)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$85,595
+49%inflation adjusted, since 2000
from $31,491 in 2000
US average: $82,259
1990 – 2024
Per capita income
$44,320
+164%since 2000
from $16,763 in 2000
US average: $44,673
Households earning $100K+
55.8%
+26.3 ptssince 2009
from 29.5% in 2009
US average: 53.3%
Poverty rate
8.6%
−3.3 ptssince 2000
from 11.9% in 2000
US average: 12.5%
Income inequality (Gini)
0.460
+12%since 2010
from 0.410 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing18.4%
US avg: 1.6%
Manufacturing13.1%
US avg: 0.4%
Information12.2%
US avg: 10.8%
Finance & insurance7.2%
US avg: 5.9%
Wholesale trade5.7%
US avg: 6.9%
Construction5.3%
US avg: 1.2%
Professional, scientific, technical5.2%
US avg: 5.1%
Retail trade4.2%
US avg: 9.9%
Other services3.8%
US avg: 6.7%
Public administration3.6%
US avg: 4.8%
Transportation & warehousing2.9%
US avg: 2.2%
Education & health services2%
US avg: 0.9%
Arts, entertainment, food1.2%
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$284,800
+192%inflation adjusted, since 2000
from $53,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,123
+86%inflation adjusted, since 2000
from $331 in 2000
US average: $1,442
Owner-occupied
53.0%
−18.4 ptssince 2000
from 71.4% in 2000
47.0% rent
Vacancy rate
25.6%
+15.9 ptssince 2009
from 9.7% in 2009
US average: 10.0%
Owner cost-burdened
15.3%
+2.8 ptssince 2009
from 12.5% in 2009
US average: 22.9%
Renter cost-burdened
27.5%
+7.7 ptssince 2009
from 19.9% in 2009
US average: 47.4%
Afford Score
3.3
+99%since 2009
from 1.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
66
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
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%
2024
White, non-Hispanic75.7%(29,931)
Black4.7%(1,858)
Hispanic / Latino10.2%(4,028)
Asian1.2%(481)
Other8.2%(3,257)
Diversity Score
51
+139%since 2009
from 21 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
26
−7%since 2020
from 28 in 2020
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
Mexican7.7%(3,050)
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
Asian origin
Filipino1%(387)
Korean0.1%(51)
Chinese0.1%(25)
Pacific Islander origin
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)
French1.4%(564)
Dutch1.3%(505)
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)
RANKED:Largest German population · Largest Norwegian population · Largest Mexican population · Largest English population · Largest Irish population
Section 05

Education

Bachelor's degree or higher
24.4%
+7.9 ptssince 2000
from 16.5% in 2000
US average: 35.6%
High school or higher
93.1%
+10.5 ptssince 2000
from 82.5% in 2000
US average: 89.6%
Graduate degree
7.1%
+3.0 ptssince 2000
from 4.1% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
18.7 min
+56%since 2000
from 12.0 min in 2000
US average: 26.5
Drive alone to work
81.7%
+4.5 ptssince 2009
from 77.2% in 2009
US average: 68.9%
Carpooled to work
9.9%
−1.9 ptssince 2009
from 11.8% in 2009
US average: 8.5%
Public transit
0.3%
+0.1 ptssince 2009
from 0.1% in 2009
US average: 3.2%
Worked from home
4.0%
−1.6 ptssince 2009
from 5.5% in 2009
US average: 15.0%
Walked to work
3.7%
+0.4 ptssince 2009
from 3.3% in 2009
US average: 2.4%
Biked to work
0.0%
−0.3 ptssince 2009
from 0.4% in 2009
US average: 0.4%
No vehicle available
6.6%
+1.8 ptssince 2009
from 4.7% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.4%
+3.0 ptssince 2011
from 1.4% in 2011
US average: 5.2%
Labor force participation
73.4%
+1.9 ptssince 2011
from 71.5% in 2011
US average: 63.5%
Self-employed
14.4%
+1.1 ptssince 2009
from 13.3% in 2009
US average: 13.1%
Management & professional
35.4%
−24.0 ptssince 2009
from 59.4% in 2009
US average: 42.5%
Section 08

People & community

Male
52.9%
+4.1 ptssince 2009
from 48.7% in 2009
Female
47.1%
−4.1 ptssince 2009
from 51.3% in 2009
Foreign born
8.5%
+7.6 ptssince 2009
from 0.9% in 2009
US average: 14.1%
Veterans
8.0%
−40.1 ptssince 2009
from 48.1% in 2009
US average: 6.2%
With a disability
11.1%
Unchangedsince 2012
from 11.1% in 2012
US average: 13.3%
Uninsured
11.5%
−78.5 ptssince 2013
from 90.0% in 2013
US average: 8.4%
Broadband at home
92.3%
+16.6 ptssince 2017
from 75.7% in 2017
US average: 91.0%
English only at home
88.5%
−6.2 ptssince 2016
from 94.7% in 2016
US average: 77.7%
Spanish at home
7.1%
+3.3 ptssince 2016
from 3.8% in 2016
US average: 13.6%
Marital status
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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Head to head

Compare Williams County to nearby counties

WILLIAMS COUNTY VS
Divide County
Income$91,852+7%
Home value$167,600−41%
Population2,110−95%
SEE FULL COMPARISON →
WILLIAMS COUNTY VS
McKenzie County
Income$93,404+9%
Home value$349,600+23%
Population15,192−64%
SEE FULL COMPARISON →
WILLIAMS COUNTY VS
Sheridan County
Income$70,147−18%
Home value$124,000−56%
Population3,436−92%
SEE FULL COMPARISON →
WILLIAMS COUNTY VS
Mountrail County
Income$80,717−6%
Home value$232,700−18%
Population9,395−78%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williams County, North Dakota?

Williams County, North Dakota has about 39,555 residents according to the 2024 American Community Survey.

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

The typical household in Williams County, North Dakota earns about $85,595 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 $284,800, and the typical rent is about $1,123 a month.

How educated are people in Williams County, North Dakota?

About 24.4% 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 8.6% 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 18,426 residents, a change of about 87 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 →