Vassar, KS Public Records
Vassar is an unincorporated community (a census-designated place) in Osage County, Kansas, with an estimated population of 832 (U.S. Census Bureau, 2020–2024 American Community Survey) and 4.9 square miles of land.
🏢 Local Government for Vassar
Vassar 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 Vassar come from Osage County and from the township or town government whose territory includes it. 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 Vassar census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for Vassar
Vassar is in Osage County. In Kansas, deeds, mortgages and other land records are recorded by the county Register of Deeds. Divorce cases in Kansas are heard by the District Court in each county. Wills and estates in Kansas are handled by the District Court in each county.
📍 Osage County at a Glance
| County | Osage County |
| County population (2024 est.) | 15,737 Source: www2.census.gov ↗ |
⚖️ Osage County District Court – Clerk of the District Court (Osage County Courthouse)
| Address | 717 Topeka Ave., Lyndon, KS 66451 |
| Directions | Get directions ↗ |
| Phone | (785) 828-4713 |
| Hours | Not stated |
| Records available | Kansas District Court case records for the county (civil, criminal, domestic, probate, small claims, traffic); the Clerk of the District Court keeps the files |
| Official website | franklincoks.org |
| Sources | kscourts.gov/…/4th-Judicial-District ↗ |
| Last verified | October 17, 2026 |
See the full Osage County records page →
↑ Back to record types📋 Where to Get Records for Vassar
Where to get the most-requested public records for people and property in Vassar, KS:
📋 Vassar Records Guide
| Birth & death certificates | Kansas Department of Health and Environment – Office of Vital StatisticsCertified birth and death certificates for Kansas are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In Kansas, deeds, mortgages and other land records are recorded by the county Register of Deeds. |
| Court cases & divorce | Osage County courthouse. Divorce cases in Kansas are heard by the District Court in each county. |
| Wills & estates | Wills and estates in Kansas are handled by the District Court in each county. |
| State court system | Kansas Judicial Branch |
| Sex offender registry | National Sex Offender Public Website (U.S. Department of Justice), which searches the Kansas registry |