VT Census Case Studies : National Change Database (NCDB)

Brief Overall Description of the Dataset:

The NCDB was developed in association with The Urban Institute and partially funded by The Rockefeller Foundation. The NCDB contains 1970, 1980, 1990, and 2000 Long Form data with and shown at that census year tract boundaries. Variable included are: population, household, and housing characteristics, income, poverty status, education level, employment, housing costs, immigration, and other variables. NCDB data is normalized, which allows one to evaluate population trends without having to control for changes in boundary definitions.

Screening

  • Is the data collected opinion-based?
  • Is the data collection recurring (must be collected at least annually)?
  • Is there data available for 2013?
  • For Housing: Is the data collected at the property or housing unit level? 
  • Can we access the data by August 15th?

Purpose

  • What is the purpose of the organization collecting the data?

GeoLytics purpose is providing demographic data, census demographics, market research data, and geocoding for social researchers and business marketing.

  • Why is it collected and how does the organization use it?

The purpose of the data is to provide easy access to data uses of a subset of census data.

  • Who else uses the data?

Policy makers, researchers, businesses

  • Who do they sell the data to?

Policy makers, researchers, businesses


Description

  • What is the general topic of the data (1-2 words)?

Demographics and housing data

  • What are the earliest and latest dates for which data is available?

1970-2000

  • Is data collected and available periodically?

Yes, follows the census

  • How soon after a reference period ends can a data source be prepared and provided? 

Not stated


Selectivity

  • What is the universe (e.g., population) that the data represents (?

The US population represented in the census


Accessibility

  • How is the data accessed? 

Buying of CD

  • Is it open data?

MP

  • Any legal, regulatory, or administrative restrictions on accessing the data source?

  • Cost? - One time or annual or project based payment?

$2,195 for national data; $1,195 for state

Does this dataset appear to meet our needs for the Census study? NO

Explanation:

This is costly data, which is a refurbishing of publicly available, free census data.