Illustrated Glossary
Datum
Release date: November 15, 2017
Definition
A datum is a geodetic reference system which includes an ellipsoid (a mathematical reference model of the earth) and an origin against which the latitude and longitude of all other points on the earth's surface are referenced. A datum may often be associated with a particular ellipsoid.
For more information on datum, consult the Dictionary, Census of Population, 2016.
- Date modified: