Sioux County, Iowa Genealogy Guide

Sioux County, Iowa (Map It) was created on January 15, 1851 (Organized in January 20, 1860) from Unorganized Territory Sioux County was named in honor of Sioux Native American tribe, which was once prosperous in the Iowa and Minnesota area. The tribe was also known as the Dakota tribe. Sioux means “Snakes” or “Little Snakes.” Learn More About State of Iowa History

Sioux County is bordered by Lyon County (north), O'Brien County (east), Plymouth County (south), Union County, South Dakota (southwest), Lincoln County, South Dakota (northwest).

Sioux County Cities and Towns include Alton, Boyden, Chatsworth, Granville, Hawarden, Hospers, Hull, Ireton, Matlock, Maurice, Orange City, Rock Valley, Sheldon, Sioux Center.

A Sioux County, Iowa County and City Maps contains detailed information about roads and boundaries, these maps may include rural communities, churches, and cemeteries.

Sioux County, Iowa Courthouse Records

Sioux County, Iowa Courthouse
Sioux County, IA Courthouse
Courthouse History

The Sioux County Courthouse is located in Orange City, Iowa. Sioux County was attached to Woodbury County for a breif time prior to organization January 1, 1860. Some early records may be found there. Learn More About State of Iowa Court, Tax, Land and Probate Records.

Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes.  The Clerk's Office DOES NOT DO RESEARCH.  The documents are available to interested parties, barring confidential issues.  Most staff will assist people in finding the materials, but it is up to the individual to do the research.

The following dates indicates what vital, land, probate, and court records are in Sioux county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.

  • Sioux County Recorder's Office has Birth / Death Records from 1880, has Marriage Records from 1871 and has Land Records from 1856. he County Recorder's Office maintains official records of documents affecting title to real estate. Every real estate transaction that takes place begins in the Recorder's Office. One of the major duties of the office is the management of public records. As a result, accuracy and preservation of records are a must in the Recorder's Office. In addition to real estate transactions, the Recorder's Office issues titles and liens; records veterans discharge papers; processes passport applications; accepts marriage applications and issues the subsequent license; issues certified copies of birth, death and marriage records as well as other numerous duties.
  • Sioux County Clerk of Court has Probate Records from 1870and has Court Records from 1871. The County Clerk of Court manages and maintains all trial court records, including pleadings, evidence and orders. The clerks of court have hundreds of administrative duties. They accept and process fines, fees and court costs owed to the state, child support checks, and civil judgments owed to litigants. They maintain a record of liens on all real estate in the county. Clerks help with involuntary hospitalization cases. They have the authority to dispose of scheduled violations which are not contested and do not require a court hearing. Clerks are also responsible for informing state and local government agencies of court orders.
  • Sioux County Tax Assessor is responsible for assess and appraise all real estate and personal property, to have access to all public records of the county for the purpose of securing information pertaining to accurate listings of taxable property.

Sioux County, Iowa Census Records

Sioux County, Iowa Vital Records

Sioux County, Iowa Resources

Sioux County, Iowa External Links