November 2025 monthly data are now available via IPUMS CPS. Note that October data were not collected during the U.S. federal government shutdown.
Description
County FIPS code - 2004_05 - 2009
Unicon Corporation made the following notes about this variable:
This code must be used in combination with a state code in order to uniquely identify a county. Also, most counties are not identified.
Universe
- All households.
Availability
| Years | Jan | Feb | ASEC | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | - | - | - | - | - | X | X | X | X | X | X | X | X |
| 2005 – 2009 | X | X | - | X | X | X | X | X | X | X | X | X | X |
