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 - 1995_09-2004_04
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | - | - | - | - | - | - | - | - | - | X | X | X | X |
| 1996 – 2003 | X | X | - | X | X | X | X | X | X | X | X | X | X |
| 2004 | X | X | - | X | X | - | - | - | - | - | - | - | - |