Demographic Estimates and Projections

Assessing "where you are," change, and how change will impact you.

The first requirement assess change, and how change will impact you, is to know as much as possible about the current situation. To "know about" the current situation we use current and historical measures including Census 2000, intercensal official demographic estimates, American Community Survey, other Federal statistical program data, and school/school district and local sourced data.

Using trend and current situation data, we develop estimates and projections under a certain set of assumptions. By definition, projections are about the unknown future. Annually, or more frequently, revised current estimates and projections need to be updated. Underlying assumptions and changing conditions will impact the accuracy of the projections.

Proximity estimates and projections may be categorized in three ways:

•	National scope demographic/economic estimates and projections updated annually

•	Modeler-based estimates and projections that you can prepare using Proximity tools

•	Custom estimates and projections

National scope

National scope demographic/economic estimates and projections updated annually

Modeler

Modeler-based estimates and projections that you can prepare using Proximity tools

Modeler is further described in the Modeling and Analytical Software section

Custom

Custom estimates and projections

Developing school and school district demographic estimates and projections requires specialized methods to develop these smaller geographic area data.

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