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Mercer County, New Jersey
Genealogy, History & Facts

Mercer County, New Jersey Facts

When was Mercer County, NJ Created?
Mercer County was established on February 22, 1838 from Burlington CountyHunterdon CountyMiddlesex County, and Somerset County.

What is the County Seat of Mercer County, NJ?
The County Seat is located in Trenton plus the county government website is nj.gov/counties/mercer/

What counties are adjacent to Mercer County, NJ?
Bordering Counties are Somerset CountyMiddlesex CountyMonmouth CountyBurlington CountyBucks County, Pennsylvania, Hunterdon County.

Mercer County, NJ Vital Records

Where can find Mercer County Birth, marriage, Divorce and Death Records?
Mercer County vital records can be found at the New Jersey Department of Health has copies of Birth, Marriage and Death records from 1878 to the present. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in New Jerseyi for current fees and application process.

You can also order Order Electronically Online or You can download an application for New Jersey Birth Certificate, Marriage Certificate, Divorce Certificate, Death Certificate  Application to mail.

Mercer County, NJ Census Records


What Mercer County, NJ census records are available?
There are many types of census records for Mercer County guide you in researching your family tree. Federal Population Schedules are available for 18401850186018701880 (free index)1890 (fragment)19001910192019301940.

Mercer Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Mercer Co. Industry and Agriculture is available for 1850, 1860, 1870 and 1880. Mercer Co. Union Veterans Schedules is available for 1890. You can get free down-loadable not to mention printable census forms that can help with your research. See Also New Jersey Census Records Research Guide

Mercer County, NJ Courthouse and Government Records

Mercer County Courthouse

What genealogical records can I find in the Mercer County Courthouse?
Researchers frequently overlook the great importance of Mercer County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in New Jersey courthouses and archives everywhere are the ambitions and frustrations of countless New Jersey residents.

The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Mercer County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also New Jersey Courthouse Records Research Guide.

Mercer County, NJ Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Mercer County, NJ?
A list of Mercer County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide New Jersey Archives, Historical & Genealogical Societies.

Where can I connect with other Mercer County, NJ Researchers through message boards and forums?

What other genealogical resources are available in Mercer County, NJ?
The following are web links to Genealogy, Records and Resources pertaining to Mercer County. A majority of these genealogy links fall into 3 categories: Business Sites, Private Sites or Organization Sites. Some have free access some have to have a payment. This is just a directory which has been gathered or submitted. I do not endorse or promote one genealogy site above another.

Mercer Co. NJ Books, Newspapers & Publications

Mercer Co. NJ Cemeteries & Church Records

Mercer Co. NJ Family Websites, Pictures & Histories

Mercer Co. NJ General and History Websites

Mercer Co. NJ Immigration & Naturalization

Mercer Co. NJ Maps, Atlases & Gazetteers

Mercer Co. NJ Military Records

Mercer Co. NJ Schools & Directories