FAQ

The NJ Data Book includes data from 2014 edition of the New Jersey Legislative District Data Book, which was the last printed edition, with some data dating back to 1980s editions. 

The New Jersey Data Book enables users to search for, compare and download data easily. We do not have the resources to respond to individual requests for specific data. We will, however, evaluate feedback and suggestions for enhancing the New Jersey Data Book so that it responds to the needs of users.

A committee at the Rutgers Center for Government Services annually evaluates available, reliable data and decides which data sets should be included. It is important to note that data sources are sometimes discontinued and new ones added. We are always open to suggestions from users on what to include. Please contact us to suggest new data sets.  

The Center for Government Services applies a rigorous protocol to the collection, validation and usage of statistics and information in the New Jersey Data Book to assure their accuracy and reliability. New Jersey statistics and information are checked multiple times before publication, and often vetted with their original sources.  

Users and ​researchers citing material from the New Jersey Data Book should provide proper attribution as:

New Jersey Data Book.  Rutgers Center for Government Services, New Brunswick, NJ.  njdatabook.rutgers.edu 

The data may be used by any user for their purposes; however, we cannot guarantee their validity for specific purposes. Tables downloaded from this site will contain a watermark identifying their source as Rutgers University – New Jersey Data Book; however, we also request the use of citations when reproducing tables or data from this online or hard-copy publication.  

Data sets are updated on a rolling basis, depending on when they become available from the source. 

2020 Census data will be added Summer 2021.

Registration information, including email addresses, will not be shared for any purpose. Registrations will enable us to determine which data sets are used most frequently and what types of organizations are making use of them so that we can continue to improve the site’s usefulness. Please read our privacy policy.

The New Jersey Data Book uses official statistics from a variety of federal, state and county government sources including the U.S. Census Bureau; departments within New Jersey state government, including: Labor and Workforce Development; Human Services; Community Affairs; the N.J. Divisions of State Police, Taxation; and County Boards of Election, among others. Data sources are identified in our Explore Data section of this website.