Block Group

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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 ?
To conduct the study, researchers examined Ohio census block groups by number of wastewater and fracking wells, socio-demographic factors such as income and education and geographic characteristics.
The database has more than 80 million records, which can be tracked from the national level all the way down to individual census tracts and block groups, from 2000 to 2016.
We linked these location and volume data with geospatial data for Ohio's block groups, based on the 2010 U.S.
In the 3D Tetris displays, three-dimensional block groups constructed of small single cubic blocks arranged in different shapes keep falling into a 3D space from the top of the screen.
The level of analysis was the Census block group. The number of GPS-tracked commuters in Strava was associated with the number of ACS active commuters (Spearman's rho = 0.60), suggesting block groups were ranked similarly based on these distinct but related measurements.
The City intent is to select a firm that will provide the following: Subscription to a data and engagement program Firm supply a basic tier of spatial data, reported at all of the baseline geographies- state, governing boundaries, place, zip code, census block groups, census tracts, and neighborhood and city council districts where they exist Ability to: Visualize data in maps and charts Upload kml data to overlay client owned spatial data with the firms data platform Enrich client provided geo referenced data with firms insights data View multiple data sets simultaneously and to filter results Create and save an unlimited number of dashboards Export and share maps and findings Create unlimited firm engagement profiles on firms web based site
Although poor capacity increased 10 percent from 2002 to 2008 in the population of women aged 40+, the number of women living in poor capacity block groups increased about 5 percent in women aged 50+ and decreased about 7 percent in women aged 50-74 years.
Thus one has to create spatial target zones that make it possible to examine the statistical associations of interest, at a spatial resolution finer than that of typical census units (such as tracts or block groups).
Options considered for model development range from focused, high-resolution analysis of a relatively small number of samples (100 to 200) to a much broader analysis, considering the majority of block groups (approximately 200,000), but with estimates generated for each block group at lower resolution.
In the 1980s, cases were more likely in census block groups with poor housing conditions, but by the 2000s, cases were associated with affluent areas concentrated in the Santa Fe--Albuquerque region.
MUCH has been written recently in Your Say comparing the advantages and disadvantages of being represented by an independent councillor in comparison with a councillor from one of the main parties who vote in block groups at council meetings.
Much of the current neighborhood-based research uses variables aggregated on administrative boundaries such as zip codes, census tracts, and block groups. However, other methods using current technological advances in geographic sciences may broaden our ability to explore the spatial concentration of neighborhood factors affecting individuals and groups.