2020 census tract block group code
Twelve-digit 2020 Census block group code (state+county+tract+block group) covering the individual's address. Known or imputed for 118.6 million addresses — 100.0% of the addresses Faraday knows.
At a glance
- Coverage today
- 100.0%
- Typical coverage
- 99.5%
- Addresses with a value
- 118.6M
- Median
- 314,067,364,700,529
- Most values come
- from the address
- Latest collection
- May 1, 2026
Distribution
n = 118,591,284Share of addresses with a known value in each band. The middle 50% falls between 157,790,254,179,956 and 456,485,534,332,776, shaded darkest.
P10 means 10% of addresses have a value at or below this one, and P90 means 90% do. P25 and P75 bound the middle half. The median is the middle: half are below it, half above.
Median over time
330,110,018,002,007340,155,016,043,002 → 330,110,018,002,007 across 12 collections, shaded between P25 and P75. Estimated from a 1% sample of addresses.
Coverage
Latest collection: 119,982,292 addressesCoverage by state
Percentage of addresses in each state with a value.
Coverage over time
100.0% todayShare of addresses holding a value at each monthly snapshot. A value carries forward for one year.
How we arrive at a value
Whether a value was observed on the person themselves, carried from their address, or estimated from the people around them.
- On the person — 0%
- Not used for this attribute — no value is inherited this way.
- From address — 100%
- Carried from what we know about the household at their address.
- From geography — 0%
- Not used for this attribute — no value is inherited this way.
Coverage, in context
Where 100.0% sits on the catalog’s own coverage range.
Higher coverage than 93% of address-level attributes in the catalog
Freshness
How recently this was collected, and how often a new collection arrives. Each bar is the number of addresses in that collection. Gaps are real — collection is periodic, not continuous.
Change between collections
The share of addresses whose value is different from the previous collection.
of addresses changed value between the two most recent collections — 8.1× steadier than the catalog median of 13.5%.
Contribution ledger
12 ingestions
1 authority contributed since Mar 2024.
| Observed | Ingested | Count | ID |
|---|---|---|---|
| 2026-05-01 | 2026-09-10 | 266,506,942 | c5492806… |
| 2026-03-01 | 2026-07-01 | 264,096,977 | 1181277b… |
| 2026-02-01 | 2026-07-02 | 264,777,400 | af53c569… |
| 2025-12-01 | 2026-08-11 | 268,508,091 | 84d6a1c5… |
| 2025-11-01 | 2026-08-11 | 268,299,874 | a071c538… |
Technical details
- API name
- census_tract_block_group_2020_code
- Category
- fig/geography
- Type · unit
- Integer
- Statistical type
- nominal
- Allowed values
- null
- Derivations
- Observed
- — the attribute is directly observed.
- Directionality
- null
- Deprecation
- false
In a payload
{
"attributes": {
"census_tract_block_group_2020_code": 314067364700529
}
}