| Parishes (Counties) | 64 |
| Parish Subdivisions (Parish Governing Authority Districts) | 596 |
| Metropolitan Statistical Areas | 8 |
| Parishes in MSA's | 19 |
| Incorportated Places | 302 |
| Census Designated Places (CDP's) | 96 |
| Census Tracts | 1106 |
| Urbanized Areas | 10 |
| Unorganized Territory | 1 |
| Block Groups | 3509 |
| Census Tabulation Blocks | 139,867 |
| Zip codes are postal delivery areas, not census areas or geographic areas, and can overlap parish boundaries. |