What is my census block group?
A BG consists of all census blocks whose numbers begin with the same digit in a given census tract or BNA; for example, BG 3 includes all census blocks num- bered in the 300s. The BG is the smallest geographic entity for which the decennial census tabulates and publishes sample data.
How many census blocks were there in 2010?
710,145
Census Block Tallies by State or State Equivalent
| FIPS State Code | Name | Number of 2010 Census Blocks |
|---|---|---|
| 05 | Arkansas | 186,211 |
| 06 | California | 710,145 |
| 08 | Colorado | 201,062 |
| 09 | Connecticut | 67,578 |
Do census block groups change?
Census blocks are often the same as ordinary city blocks. Census blocks change every decade.
What is census block ID?
Census blocks are numbered uniquely with a four-digit census block number from 0000 to 9999 within census tract which nest within state and county. The first digit of the census block number identifies the block group. Block numbers beginning with a zero (in Block Group 0) are only associated with water-only areas.
What is census block code?
What is my census tract number?
Census tracts within a county are identified by a 4-digit basic code between 0001 and 9999, and may have a 2-digit suffix ranging from . 01 to . 98; for example, 6059.02. The decimal point separating the 4-digit basic tract code from the 2-digit suffix is shown in U.S. Census Bureau printed reports and maps.
How many census blocks are in a block group?
A block group is a subdivision of a census tract and contains a cluster of blocks. Block groups usually have between 250 and 550 housing units.
Where can I download shapefiles?
Thousands of shapefile maps can be downloaded for free from the following website https://extract.bbbike.org , including water, natural, palace, landuse, roads, and other shapefiles maps. The shapefile (or ESRI shapefile) format is a geospatial vector format, and is one of the most commonly used map formats.