Boulder Colorado Genealogy Records

Boulder is the county seat of Boulder County. It sits at the foot of the Flatiron Mountains. The city was founded in 1859. Over 106,000 people live here. It is home to the University of Colorado. The city has a rich history. Many early settlers came for mining. Later residents came for education and research. Genealogy research here offers diverse records.

The city is known for its progressive values. It was the first Colorado city to hire a police woman. The university brings people from around the world. Your ancestors may have studied or taught here. Records span from the frontier era to modern times.

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Boulder Quick Facts

106,803 Population
Boulder County
1859 Year Founded
20th Judicial District

Boulder County Records

Boulder is the county seat of Boulder County. The Clerk and Recorder office is downtown. They maintain marriage and land records. These are essential for genealogy research. Staff can help you search their indexes. The office follows state rules under C.R.S. 24-80.

Boulder County was created in 1861. It is one of the original 17 counties. Marriage records go back to the 1860s. Land records go back to the county's founding. The Clerk and Recorder can search their database. Call before you visit to check hours.

Colorado county clerk and recorder offices for genealogy records
Office Boulder County Clerk and Recorder
1750 33rd Street
Boulder, CO 80301
Phone 303-413-7740
Records Available Marriage licenses, Land records, Military discharge records
Hours Monday through Friday, 8:00 AM to 4:30 PM

Records Available in Boulder

Boulder County maintains many record types. Marriage licenses start from the 1860s. Land records go back to 1861. These can help you find family connections. Birth and death records are at the state level. Older ones may be at the State Archives.

The Colorado State Archives holds historical records. These include documents from the 20th Judicial District. You can search their database online. C.R.S. 24-80 guides how these records are kept. Some records are on microfilm.

  • Marriage licenses from 1860s to present
  • Land deeds and property records
  • Military discharge records
  • Court records at the District Court
  • Probate records
  • Naturalization records

Newspapers are a great resource. The Daily Camera has been published since 1890. Old issues are on microfilm. The library has many papers from the area. Obituaries can be found there. They often list family members.

Local Genealogy Resources

The Boulder Public Library is excellent. They have a Carnegie Library branch. You can access Ancestry Library Edition there. They also have local history materials. The Carnegie branch has special collections.

The Colorado State Archives is in Denver. They hold older Boulder County records. You can search their database first. Then visit to view original documents. Bring a photo ID for entry.

Colorado State Archives building and resources

The Boulder Historical Society preserves local history. They have exhibits on the city's founding. The museum can help with research. They focus on the mining and early settlement era.

Colorado State Resources

The Colorado State Archives holds many Boulder County records. These include historical documents. Births before 1908 are often found there. Deaths before 1900 may also be available. The Archives Search database lets you check online.

The CDPHE Vital Records office has certificates from 1900 onward. They are at 4300 Cherry Creek Drive South, Denver. Call 303-692-2200. Under C.R.S. 25-2-117, some records are confidential.

Other helpful resources include:

Colorado genealogy resources main page

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Nearby Cities

Boulder is near several other cities. Your ancestors may have lived in these areas. Check nearby jurisdictions for complete research.