How to Find Someone in Cass County, North Dakota

Cass County is North Dakota's most populous county, containing Fargo — the state's largest city — along with West Fargo and Casselton. With roughly 190,000 residents, Cass County accounts for about 24% of North Dakota's total population and generates the state's highest court filing volume. Fargo and Moorhead, Minnesota sit directly across the Red River from each other, forming a single metro area that is genuinely cross-state in character.

North Dakota's court portal at ndcourts.gov provides statewide name search access covering all 53 counties, making Cass County records accessible without pre-selection. For the broader North Dakota context including the Bakken oil patch address volatility and the Grand Forks cross-state dynamic, see our North Dakota state guide.

Key takeaways

• Cass County (pop. est. 190,000 — U.S. Census Bureau, 2023 ACS) contains Fargo and generates North Dakota's highest court filing volume.
• ndcourts.gov covers all 53 North Dakota counties including Cass in one statewide search without pre-selection.
• The Fargo-Moorhead metro straddles the Red River state line — Clay County, Minnesota (Moorhead) records are routinely as relevant as Cass County records for metro-area residents.
• North Dakota State University and Minnesota State Moorhead together create significant student address churn in the Fargo-Moorhead area.

How record searches work in Cass County

Cass County searches begin with ndcourts.gov for a statewide name search covering all 53 county district courts. The portal covers district court criminal, civil, family, and traffic cases. Case-level information is free online; full documents require the Cass County District Court clerk in Fargo. Cass County has North Dakota's strongest online records infrastructure, including a well-developed county assessor and property search portal.

Minnesota courts' public access portal (mncourts.gov) covering Clay County (Moorhead, Dilworth, Glyndon) is an essential supplement for any comprehensive Fargo metro search. Many Fargo-area residents have prior Moorhead addresses or current Moorhead addresses while working in Fargo. Our guide on finding someone by name and city covers how to use Fargo as a city anchor.

Types of records available in Cass County

• District Court records — ndcourts.gov statewide portal
• Property records — Cass County Assessor online portal
• Arrest records — Fargo Police Department, Cass County Sheriff
• Vital records — North Dakota Department of Health for statewide index from 1925; county recorder for local records
• Cross-state Minnesota context — mncourts.gov for Clay County (Moorhead) for any Fargo metro subject
• Statewide criminal context — North Dakota BCI sex offender registry at sexoffender.nd.gov

Crime statistics and public-safety context

Cass County has North Dakota's highest crime volume by absolute count due to population concentration. Fargo's opioid crisis has elevated drug-related court filings above what violent crime statistics alone suggest. The city's status as the regional hub for a vast area of eastern North Dakota and northwestern Minnesota draws a transient population that contributes to property crime rates. Source: North Dakota Bureau of Criminal Investigation, Crime in North Dakota 2022.

Major cities in Cass County

Fargo

Fargo (est. 125,990 — U.S. Census Bureau, 2023 ACS) is the county seat and North Dakota's largest city. Fargo has grown as a financial services, technology, and healthcare hub. North Dakota State University creates address churn in university-adjacent neighborhoods. Fargo's diverse immigrant population — including significant Somali and Karen communities — requires broad name variant checking.

West Fargo

West Fargo (est. 42,000 — U.S. Census Bureau, 2023 ACS) is a rapidly growing Cass County suburb immediately west of Fargo. West Fargo is a separate municipality from Fargo with its own municipal infrastructure. West Fargo residents are under Cass County District Court jurisdiction alongside Fargo residents.

Moorhead (Clay County, MN)

Moorhead, Minnesota is directly across the Red River from Fargo in Clay County, Minnesota. While not part of Cass County, Moorhead is part of the same functional metro. Any comprehensive Fargo metro search should include Clay County, Minnesota records through mncourts.gov.

Common search scenarios

Searching by name and city

Fargo and West Fargo both route to Cass County District Court. After running ndcourts.gov, extend to mncourts.gov for Clay County (Moorhead) for any subject with known metro-area connections. For university-affiliated subjects, NDSU (in Fargo) and Minnesota State Moorhead (in Moorhead) both create address churn requiring careful handling of student-era addresses.

Checking court records

ndcourts.gov statewide search → Cass County District Court clerk for full documents → mncourts.gov for Clay County Minnesota → North Dakota BCI sex offender registry for statewide criminal context. See our court record search guide for how North Dakota's two-tier system compares nationally.

Searching after a move

Fargo's regional hub status means residents frequently move between North Dakota communities and cross-state to Moorhead. If a Cass County search is thin, Clay County Minnesota and then the larger Twin Cities metro are the logical next steps for a subject who may have relocated south toward Minneapolis-St. Paul.

Best sites to review first

Before navigating Cass County's court portal and the Minnesota cross-state search, these are the two services I recommend reviewing first.

Frequently asked questions

Other North Dakota county guides

Additional North Dakota county guides are planned. Browse all county guides: People Search by County.