Block Group

(redirected from Census block group)
Also found in: Wikipedia.

Block Group

A location used by the U.S. Census Bureau where approximately 800 to 1,000 people live. As the name indicates, a block group is usually a collection of city blocks. It is a subdivision of a census tract and is the smallest geographical unit for which the Census reports data.
References in periodicals archive ?
It is tmeasured as the cumulative number of jobs that can be accessed from the origin census block group within a 30- mile radius, gravity weighted.
census block group population, housing and other socioeconomic characteristics for Cincinnati; 4) census block group boundaries for Cincinnati; and 5) streets in Cincinnati.
In this example, the GIS map in Figure 11 is used to show the ethnic makeup of the population in each census block group by way of pie charts.
developed parcels, census block, census block group
Census block group data on poverty have been shown to be a relatively sensitive measure of socioeconomic inequalities in health outcomes (Krieger et al.
We allocate census block group population data to blocks by the different interpolation methods and compare the block estimates to actual block values.
For example, knowing that a person lives in a Census Block Group (a small neighborhood of approximately 1,000 residents) where 90 percent of the residents are African American provides useful information for estimating that person's race.
Town boundary and population census block group maps for each town were also obtained from MAGIC and were included as themes (map layers) with the geocoded points of cases.
This option allows advertisers to more accurately target consumers than by traditional means of marketing by ZIP Code, census block group or carrier route.
We spatially joined the Tax Assessor's 2010 parcel registry using a geographic information system (GIS) to calculate the percentage of single -family houses in each census block group that did not have central AC or an evaporative cooler (these are not reported separately in the data source).
When plans serve significant number of enrollees in less dense or rural areas, we recommend performing geocoding at the Census block group or tract level rather than at the block level because the number of residents in many blocks may be too small to generate reliable estimates.