Population
201,794
2025
+9.1% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Cass County, ND: population growth, jobs and income
Cass County gained 2,523 residents between 2024 and 2025 (+1.3%).
Cass County had an estimated 201,794 residents in 2025, up 9.1% (16,897 more people) since 2020. That is faster than North Dakota as a whole (+2.5%), and the 1st fastest growth of 51 counties in North Dakota.
Data as of 2025 · updated
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In the Cass County report
One-time $99 PDF: everything on this page for Cass County, ranked against North Dakota and the U.S., plus these figures that are not on the free page:
- Median gross rent$958/mo2020–24
- Vacant homes, incl. seasonal and second homes5.7%2020–24
- New homes permitted, last 12 months1,3372025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
+345
2025
1.7 per 1,000 residents
+6,297 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
2.5%
2025
+0.7 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
1,154
2025
−36.1% since 2021
5.7 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$75,555
2020–24
+14.5% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
113,306
2023
+5.7% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration added 345 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 113,306 paid employees in mid-March 2023, +5.7% since 2018 (County Business Patterns).
Unemployment averaged 2.5% in 2025, 0.7 points higher than in 2019 (before the pandemic).
Builders were authorized to start 1,154 new homes in 2025, or 5.7 per 1,000 residents.
Median household income was $75,555 in the 2020–24 American Community Survey, +14.5% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 246th.
Part of the Fargo, ND-MN metro area.
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Email me when Cass County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Cass County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 201,794 | +2,523 |
| 2024 | 199,271 | +1,946 |
| 2023 | 197,325 | +4,036 |
| 2022 | 193,289 | +3,961 |
| 2021 | 189,328 | +4,431 |
| 2020 | 184,897 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Cass County
Cass County grew by 16,897 people since 2020; the largest part came from domestic migration (+6,297).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +1,065 | +5,337 | |
| International migrationfrom and to other countries | +1,099 | +5,322 | |
| Domestic migrationfrom and to other U.S. counties | +345 | +6,297 | |
| Census adjustmentbalancing residual | +14 | −59 | |
| Total change | +2,523 | +16,897 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In North Dakota | Among U.S. counties |
|---|---|---|
| Population growth | 1st of 51 | 246th of 3,107 |
| Net domestic migration per 1,000 residents | 18th of 52 | 1,612th of 3,108 |
| Private-sector job growth | 9th of 52 | 1,130th of 3,092 |
| Median household income | 23rd of 52 | 803rd of 3,107 |
| Lowest unemployment rate | 16th of 52 | 137th of 3,108 |
| New homes permitted per 1,000 residents | 2nd of 52 | 502nd of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Cass County, ND as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Neighbouring counties
Cass County grew faster than all 7 of its neighbouring counties (+9.1%, 2020–25).
4 of its 7 neighbouring counties had a higher median household income than Cass County's $75,555 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Cass County, ND This county | 201,794 | +9.1% | 1.7 | 5.7 | $75,555 |
| Traill County, ND | 7,920 | −0.8% | −4.3 | 0.9 | $87,004 |
| Ransom County, ND | 5,617 | −1.5% | −3.7 | 0.4 | $75,736 |
| Richland County, ND | 16,731 | +1.2% | 0.7 | 2.6 | $75,432 |
| Steele County, ND | 1,797 | −0.1% | 2.8 | 1.1 | $77,500 |
| Clay County, MN | 67,734 | +3.6% | 2.3 | 5.1 | $81,172 |
| Barnes County, ND | 10,573 | −2.7% | −4.8 | 0.4 | $68,038 |
| Norman County, MN | 6,336 | −1.6% | 7.6 | 1.6 | $72,260 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Cass County growing?
Yes. Its population grew 9.1% between 2020 and 2025, about 16,897 more people (Census Bureau population estimates). North Dakota as a whole changed +2.5% over the same years. That ranks 1st of 51 counties in North Dakota for population growth.
How many people moved to Cass County?
On net, about 345 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
What is the unemployment rate in Cass County?
It averaged 2.5% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Cass County?
About 201,794 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Cass County?
Private employers there had 113,306 paid employees in mid-March 2023, +5.7% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in North Dakota
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other North Dakota county pages carry the public federal growth figures.
Cass County data alerts
Email me when Cass County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.