Cass County vs Williams County

A side-by-side comparison of Cass County and Williams County: population, income, housing, and more.

Cass County and Williams County are counties in North Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Cass County has the higher population (189,286 vs 39,368 in Williams County). Williams County has the higher median household income ($90,224 vs $75,023 in Cass County). Cass County has the higher median home value ($284,700 vs $267,800 in Williams County).

Population, income & housing

	Cass County	Williams County
Population	189,286	39,368
Median age	32.9 yrs	32.3 yrs
Median household income	$75,023	$90,224
Median home value	$284,700	$267,800
Median gross rent	$930	$1,108
Housing units	87,497	20,291
Homeownership rate	52.0%	57.2%
Bachelor's degree or higher	43.3%	23.7%
Unemployment rate	3.0%	2.5%

Trends (ACS 5-year, 2019–2023)

	Cass County	Williams County
Population	176,975 → 189,286 (+7.0%)	35,208 → 39,368 (+11.8%)
Median household income	$64,482 → $75,023 (+16.3%)	$87,161 → $90,224 (+3.5%)
Median home value	$223,800 → $284,700 (+27.2%)	$247,400 → $267,800 (+8.2%)
Median gross rent	$833 → $930 (+11.6%)	$968 → $1,108 (+14.5%)

Cass County

Population

176,975189,286

Median household income

$64,482$75,023

Median home value

$223,800$284,700

Median gross rent

$833$930

Williams County

Population

35,20839,368

Median household income

$87,161$90,224

Median home value

$247,400$267,800

Median gross rent

$968$1,108

Age & race/ethnicity

Age distribution (share)

	Cass County	Williams County
Under 5	6.4%	9.2%
5 to 17	15.9%	20.8%
18 to 24	14.6%	7.4%
25 to 34	16.7%	16.7%
35 to 44	13.9%	16.8%
45 to 54	9.9%	9.7%
55 to 64	9.8%	9.5%
65 to 74	7.7%	6.1%
75 and over	5.1%	3.7%

Race & ethnicity (share)

	Cass County	Williams County
White (non-Hispanic)	82.3%	76.7%
Black or African American	6.5%	5.2%
American Indian & Alaska Native	0.8%	2.0%
Asian	3.1%	1.2%
Native Hawaiian & Pacific Islander	0.0%	0.1%
Some other race	0.3%	0.4%
Two or more races	3.5%	4.7%
Hispanic or Latino	3.5%	9.7%

Educational attainment (age 25+)

Share of adults 25+

	Cass County	Williams County
No high school diploma	4.2%	9.4%
High school graduate	18.1%	33.7%
Some college or associate's	34.4%	33.2%
Bachelor's degree	29.2%	15.3%
Graduate or professional degree	14.1%	8.5%

Commute to work

How workers get to work (share)

	Cass County	Williams County
Drove alone	79.5%	83.3%
Carpooled	6.5%	9.0%
Public transit	0.7%	0.2%
Walked	2.7%	3.4%
Bicycle	0.2%	0.0%
Worked from home	8.7%	3.2%
Other means	1.7%	0.9%

Housing

Units in structure (share)

	Cass County	Williams County
1-unit, detached	42.6%	45.7%
1-unit, attached	9.4%	4.8%
2 to 4 units	5.4%	4.5%
5 to 19 units	10.7%	8.4%
20 or more units	29.7%	28.0%
Mobile home & other	2.2%	8.5%

Poverty & households

	Cass County	Williams County
Poverty rate	10.3%	8.8%
Average household size	2.24	2.53
Mean commute (minutes)	17	19
Median year structure built	1993	1993