The following table lists update frequencies for Census Blocks, Census Boundaries, and Core Based Statistical Areas:
| Product | Update Frequency |
| Census Blocks | Annual in the Q1 release, with additional releases as required to support changes in Census rosters and/or currency |
| Census Boundaries | Annual in the Q1 release, with additional releases as required to support changes in Census rosters and/or currency |
| Core Based Statistical Areas | Annual in the Q1 release, with additional releases as required to support changes in Census rosters and/or currency |