Alsea, OR Public Records
Alsea is an unincorporated community (a census-designated place) in Benton County, Oregon, with an estimated population of 201 (U.S. Census Bureau, 2020–2024 American Community Survey) and 0.2 square miles of land.
🏢 Local Government for Alsea
Alsea is not an incorporated city or town, so it has no city hall, town clerk or local government of its own. Local government services and records for Alsea come from Benton County. Birth and death certificates, marriage records, deeds and court files come from the county and state offices below.
Population figure: U.S. Census Bureau, 2020–2024 American Community Survey 5-year estimate for the Alsea census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for Alsea
Alsea is in Benton County. In Oregon, deeds, mortgages and other land records are recorded by the County Clerk. Divorce cases in Oregon are heard by the Circuit Court in each county. Wills and estates in Oregon are handled by the Circuit Court in each county.
📍 Benton County at a Glance
| County | Benton County |
| County population (2024 est.) | 98,899 Source: www2.census.gov ↗ |
⚖️ Benton County Circuit Court (Benton County Courthouse)
| Address | 120 NW 4th St, Corvallis, OR 97330 |
| Directions | Get directions ↗ |
| Phone | (541) 243-7850 |
| Hours | Not stated |
| Records available | Oregon Circuit Court case records for the county (civil, criminal, family, probate, juvenile, small claims) |
| Official website | courts.oregon.gov |
| Sources | courts.oregon.gov/…/locations.aspx ↗ |
| Last verified | October 17, 2026 |
See the full Benton County records page →
↑ Back to record types📋 Where to Get Records for Alsea
Where to get the most-requested public records for people and property in Alsea, OR:
📋 Alsea Records Guide
| Birth & death certificates | Oregon Health Authority – Center for Health Statistics (Vital Records)Certified birth and death certificates for Oregon are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In Oregon, deeds, mortgages and other land records are recorded by the County Clerk. |
| Court cases & divorce | Benton County courthouse. Divorce cases in Oregon are heard by the Circuit Court in each county. |
| Wills & estates | Wills and estates in Oregon are handled by the Circuit Court in each county. |
| State court system | Oregon Judicial Department |
| Sex offender registry | Oregon Sex Offender Registry (Oregon State Police) |