What is a census tract code?

What is a census tract code?

Definition. • Census tracts are small, relatively. permanent statistical subdivisions of a county. – Uniquely numbered in each county with a. numeric code.

What is the 6 digit tract code?

A tract number is a 6 digit number, with 2 digits after an implied decimal. Tract 4 would technically read, ‘0004.00’. The first 4-digits identify the tract, with leading zeros for smaller values, while the trailing zeros are generally used to identify changes and often divisions within the tract.

What is an 11 digit FIPS code?

A census tract FIPS code is an 11-digit number that uniquely identifies each census tract in the United States. It is a concatentation of – reading from left to right – the 2-digit state code, the 3-digit county code, and the 6-digit tract code.

Are census tract numbers unique?

Census tract numbers range from 1 to 9999 and are unique within a county. In four States (Maryland, Missouri, Nevada, and Virginia), there are one or more cities that are independent of any county organization and thus constitute primary divisions of their States.

How many digits are in a census tract number?

four digits
Each census tract has a basic census tract number composed of no more than four digits, and may have an optional two-digit decimal suffix. (Leading zeroes appear in electronic media products, but do not appear on the Census Bureau’s maps or in the printed reports.)

How is a census tract determined?

The Census Bureau’s Numbering System For efficient data processing and publication, the Census Bureau identifies census tracts by numbers rather than names. Each census tract is assigned with a 4-digit basic number, sometimes with an additional 2-digit suffix, as its unique identifier.

How many blocks are in a census tract?

Each census tract/BNA could contain as many as nine BGs (Block Groups 1 to 9; there was no Block Group 0).