Caliper Mapping and Transportation Glossary

DEFINITION

What is a Block Group?

A block group is a combination of census blocks and are also a subdivision of census tracts. Block groups generally contain between 600 and 3000 people and are made up of on average 40 census blocks. There are about 220,000 block groups nationwide.

What is a block group/block group definition: This Maptitude map shows Census median age data at the block group level

What is block group? This Maptitude map shows the median age by block group in Seattle, Washington. Census blocks provide even finer detail on Census demographics than tract boundaries that are also shown for reference.

GIS Software

Maptitude Mapping Software gives you all of the tools, maps, and data you need to analyze and understand how geography affects you and your business. A block group layer with Census demographics is available for Maptitude.

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