Census tract id

census_tract_idGeographyText

Eleven-digit Census Bureau tract code (state+county+tract) covering the individual's address. Known or imputed for 117.0 million addresses — 98.6% of the addresses Faraday knows.

At a glance

Coverage today
98.6%
Typical coverage
98.0%
Addresses with a value
117.0M
Share in largest category
0.0%
Most values come
from the address
Latest collection
Jan 1, 2020

How the categories split

n = 116,977,501

Share of addresses in each category. 99+ categories, of which the 20 largest are shown, with 0.0% in the largest.

48157672900
0.0%
12119911200
0.0%
38017040500
0.0%
12109020902
0.0%
48157673101
0.0%
48439114103
0.0%
12115002712
0.0%
12095017103
0.0%
48201542900
0.0%
48157673200
0.0%
48039660602
0.0%
48201543001
0.0%
48141010341
0.0%
12021011202
0.0%
12081002007
0.0%
48085030305
0.0%
48085030203
0.0%
12111382109
0.0%
12031014412
0.0%
19153010203
0.0%
All other values
99.7%
Distinct categories
99+
Share in largest category
0.0%
Share in top 3 categories
0.1%

Every category

99+ categories

The chart above draws the 20 largest. Search here for one it does not. This list holds the 100 most common; rarer values are not named.

  • 481576729000.02%23,700 addresses
  • 121199112000.02%22,270 addresses
  • 380170405000.02%21,012 addresses
  • 121090209020.02%20,940 addresses
  • 481576731010.02%20,682 addresses
  • 484391141030.02%19,579 addresses
  • 121150027120.02%19,111 addresses
  • 120950171030.02%18,639 addresses
  • 482015429000.02%18,295 addresses
  • 481576732000.02%18,097 addresses
  • 480396606020.01%16,599 addresses
  • 482015430010.01%15,919 addresses
  • 481410103410.01%15,896 addresses
  • 120210112020.01%15,829 addresses
  • 120810020070.01%15,816 addresses
  • 480850303050.01%15,599 addresses
  • 480850302030.01%15,395 addresses
  • 121113821090.01%14,813 addresses
  • 120310144120.01%14,409 addresses
  • 191530102030.01%14,165 addresses
  • 481576734000.01%14,060 addresses
  • 480291720020.01%13,761 addresses
  • 121090206020.01%13,666 addresses
  • 120950167040.01%13,632 addresses
  • 060610213220.01%13,583 addresses
  • 483396920010.01%13,266 addresses
  • 160010103130.01%13,260 addresses
  • 482015430020.01%13,209 addresses
  • 481576745020.01%12,774 addresses
  • 481210201050.01%12,101 addresses
  • 482012504020.01%12,088 addresses
  • 481576755000.01%12,079 addresses
  • 450190046080.01%12,043 addresses
  • 481210203090.01%11,950 addresses
  • 121090209010.01%11,817 addresses
  • 481210201080.01%11,660 addresses
  • 120950171050.01%11,602 addresses
  • 120690313110.01%11,593 addresses
  • 160010103350.01%11,441 addresses
  • 121199114000.01%11,424 addresses

Coverage

Latest collection: 119,389,496 addresses

Coverage by state

Percentage of addresses in each state with a value.

Coverage over time

98.6% today

Share of addresses holding a value at each monthly snapshot. A value carries forward for one year.

Jan 20Mar 24Dec 24Mar 25Jun 25Oct 25May 26

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 98.6% sits on the catalog’s own coverage range.

catalog min 0%max 100%

Higher coverage than 83% 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.

Jan 1, 2020
latest collection
81 months 2 days
since the latest collection
Jan 20

Contribution ledger

1 ingestion

1 authority contributed since Jan 2020.

ObservedIngestedCountID
2020-01-012026-04-20119,048,853e84435bf…

Technical details

API name
census_tract_id
Category
fig/geography
Type · unit
Text
Statistical type
categorical
Allowed values
null
Derivations
Unspecified
Directionality
null
Deprecation
false

In a payload

{
  "attributes": {
    "census_tract_id": "48157672900"
  }
}