The files are updated biannually and include total housing units (including transitory units) and total group quarters counts as of July 2024, by current census tabulation block. These files are created for all 50 States, District of Columbia, Puerto Rico, and Island Areas and were released July 2024.
File Naming Convention
These pipe delimited text files are named using the following convention: <st>_<name>_AddressBlockCountList_<mm><yyyy>.txt, where:
- <st> = Two-digit state Federal Information Processing Series (FIPS) code
- <name> = Concatenated state (or equivalent) name
- <mm> = Two-digit month the file was created
- <yyyy> = Four-digit year the file was created
An example file name is:
44_RhodeIsland_AddressBlockCountList_072024.txt
Record Layout
Field Name | Field Description |
STATE | Two-digit state FIPS code |
COUNTY | Three-digit county FIPS code |
TRACT | The census tract number consists of six digits with an implied decimal between the fourth and fifth digits corresponding to the basic census tract number but with leading zeroes and trailing zeroes for census tracts without a suffix. |
BLOCK | Four-digit census block number. Census blocks are numbered uniquely from 0000 to 9999 within census tract, which nest within state and county. A census block that has been split since the 2020 Census includes a one-character alpha suffix (A-Z). The first digit of the census block number identifies the block group. |
BLOCK_GEOID | Concatenation of STATE, COUNTY, TRACT, and BLOCK fields, described above,for use in joining the census block-level feedback data to the census blocks in the partnership shapefiles. |
TOTAL HOUSING UNITS | Total number of addresses in the entity count list identified as housing units or transitory units by data in the Master Address File (MAF). |
TOTAL GROUP QUARTERS | Total number of addresses in the entity count list identified as group quarters by data in the MAF. |
Download Address Count Listing Files
Choose a state to view:
Address Count Listing Files Viewer
The Address Count Listing Files Viewer supplements the Address Count Listing files with an interactive map of the same information. The viewer also includes AREA LAND and AREA WATER (in square meters).
Housing Unit Change Viewer: 2020 to 2023
This map application includes three maps depicting the change in the number of housing units (including transitory units but not including group quarters) from the 2020 Census to November 2023: percent change, numeric change, and a combination of percent change and numeric change.
