# 2020 census tract block group code

Twelve-digit 2020 Census block group code (state+county+tract+block group) covering the individual's address.

- API name: `census_tract_block_group_2020_code`
- Category: Geography
- Type · unit: Integer
- Addresses with a value: 119.3M (99.6%)
- Latest collection: Jun 1, 2026, refreshed every two months
- How values combine: Read from a single source field.
- Derivations:
  - Observed — the attribute is directly observed.

## Links

- [Catalog page](/catalog/v2/census_tract_block_group_2020_code)
- [Published statistics (JSON)](https://static.faraday.ai/figv2/census_tract_block_group_2020_code.json)
- [API reference](/docs/reference/getattribute)