Cass County, North Dakota Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Cass County, ND Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
    Among the top 3 healthiest counties in North Dakota
  • B
    Income Around average
  • B
    Education Around average
    Best educated county in North Dakota

Source: Map AI Methodology

Cass County
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Population density, people per sq mi

Population: density and quick facts

Metric Cass County North Dakota Avg U.S. Average
Population 193,305 784,730 337,468,954
Population density (per sq mi) 109.4 11.1 86.4
Population growth (%/yr) 1.86% 0.80% 0.59%
Median age 30.7 36.3 37.3
Households 83,906 331,016 130,235,071

Population in Cass County grew by 40.4% from 2009 to 2024, reaching 193,305 in 2024.

Population Growth 2009–2024

Year Cass County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Cass County is Gen Z, aged 13–28, at 28.1% of residents. That is 4.5 points above North Dakota as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below North Dakota, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 49.2% of the people living in Cass County and men 50.8%.

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193,305

100% of everyone living in Cass County

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Economy

Cass County has a the economy index of B, which means it is quite prosperous.

Metric Cass County North Dakota Avg U.S. Average
Median household income $75,698 $76,862 $80,455
Income growth (%/yr) 3.96% 3.32% 4.80%
Unemployment rate 3.0% 2.7% 5.2%

The median household income in Cass County is about 2% lower than in North Dakota.

Detailed wealth and income breakdown →

Housing

Metric Cass County North Dakota Avg U.S. Average
Median home price $281,320 $125,877 $248,835
Median rent $957 $953 $1,407
Homeownership rate 52.0% 62.9% 65.2%

The median home price in Cass County is about 24.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $957 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Cass County spend about 31 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 130 hours, about 5.4 full days, spent commuting.

Metric Cass County North Dakota Avg U.S. Average
One-way commute (min) 15.6 13.8 22.4
Round-trip commute (min) 31.2 27.6 44.8
Yearly time spent (hours) 130 115 187
Estimated yearly cost $4,024 $3,567 $5,790
Work from home 10.0% 8.1% 15.0%
Highway traffic (vehicles/day) 5,305 2,106 8,813
Local road traffic (vehicles/day) 905 360 1,355

Fastest commutes among counties in North Dakota: McIntosh County (6.9 min), Foster County (7.7 min), Pierce County (7.7 min).
Slowest: McHenry County (28.9 min), Renville County (23.5 min), Oliver County (22.8 min).

The average commute time in Cass County is 16 minutes, longer than the 14 minutes in North Dakota.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Cass County has a education index of B, which means it is quite educated.

Metric Cass County North Dakota Avg U.S. Average
Bachelor's degree or higher 38.4% 29.0% 31.6%
Average household size 2.23 2.29 2.53

Highest education index among counties in North Dakota: Cass County (0.3), Burleigh County (0.3), Grand Forks County (0.3).
Lowest: Sioux County (0.2), Sheridan County (0.2), Hettinger County (0.2).

Health

Cass County has a health index of B, which means it is quite healthy.

Metric Cass County North Dakota Avg U.S. Average
Life expectancy (years) 79.5 79.4 78.3
Self-rated poor health 11.1% 14.3% 16.3%
Smokers 16.9% 18.7% 19.0%

Highest health index among counties in North Dakota: Burleigh County (0.8), Steele County (0.8), Cass County (0.8).
Lowest: Sioux County (0.7), Rolette County (0.7), Benson County (0.8).

Full health data →

Cass County, ND Compared With Nearby Counties

How Cass County, ND compares with the 1 counties closest to it.

Area Population Median household income Median home price Commute
Cass County, ND 193,305 $75,698 #2/2 $281,320 #1/2 15.6 min #1/2
Clay County, MN 66,074 $81,412 $269,567 17.2 min

Frequently Asked Questions

Common questions about Cass County, North Dakota.

What is the population of Cass County, North Dakota?

About 193,305 people live in Cass County, North Dakota, in 83,906 households of 2.2 people on average. The median age is 30.7, so residents are younger than the U.S. median of 37.3 by about 7 years.

Is Cass County, North Dakota urban or rural?

Averaged over its land area, Cass County, North Dakota has 109 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is close to the U.S. average of 86.

Can a typical household afford a home in Cass County, North Dakota?

The median home costs 3.7 times the median household income ($281,320 against $75,698), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $957 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Is it hard to find a job in Cass County, North Dakota?

Unemployment in Cass County, North Dakota is only 3.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.

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