Cass County

Facts

Population

200,945 (2024)

Change since 2020

8.9 %

Net migration

3,386 (2023)

Unemployment rate

2.5 % (2025)

State

North Dakota

Population base, April 2020

184,531 (2020)

Births

2,389 (2023)

Births per 1,000 residents, 2023

11.9

Deaths

1,310 (2023)

Deaths per 1,000 residents, 2023

6.5

Natural change, 2023

1,079

International migration

1,799 (2023)

Domestic migration

1,587 (2023)

Net migration per 1,000, 2023

16.9

Postal code

ND

FIPS code

38017

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS