---
id: "us_census_geoid_fq"
kind: "pattern"
status: "draft"
is_pii: false
categories: ["geo", "government"]
country: ["US"]
langs: ["en"]
quality: 75
url: "https://registry.apicrafter.io/datatype/us_census_geoid_fq"
---

# US Census Bureau fully qualified GEOID (`us_census_geoid_fq`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

GEOID with nine leading characters, as used by data.census.gov and the Census Data API (ucgid) and in the GEOIDFQ field of TIGER/Line files - a 3-character summary level, a 2-character geographic variant, a 2-character geographic component, the letters US and then the GEOID. Older files call it GEO.ID or AFFGEOID. The variant and component can contain letters.

- Pattern of: `us_census_geoid`
- Personal data (PII): no
- Categories: Geographic identifiers (geo), Government related (government)
- Countries: United States (US)
- Languages: English (en)
- Classification: categorical

## Detection

Regular expression (Python `re`):

```
^[0-9A-Z]{7}US[0-9A-Z]+$
```

## Examples

- `1400000US13089020600` — Census Tract 206, DeKalb County, GA
- `0500000US48201` — Harris County, TX
- `860Z200US15007` — ZIP Code Tabulation Area 15007
- `1400000XX48201223100` (invalid example) — missing the US separator

## Sources

- doc: <https://www.census.gov/data/what-is-data-census-gov/guidance-for-data-users/frequently-asked-questions/how-can-i-match-the-GEOID.html>
- doc: <https://census.gov/data/developers/guidance/api-user-guide.Ucgid_Predicate.html>

## Quality

Score 75/100. Missing: mapping (Wikidata, Schema.org, ...), translation, detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/us_census_geoid_fq.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/US/geo/us_census_geoid_fq.yaml>