ice-reference-database / DICTIONARY.md
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ICE facility, office and jurisdiction references — dictionary

All original source fields retain their source meanings. The table unit and time semantics below are required context; names alone do not define a universal measure. Exact NULL counts are distinct from empty strings, empty geometry and source-coded missingness. See README for known anomalies and the immutable source lock.

facilities

One detention-facility directory record; not a detention event or historical facility panel. Time semantics: reference snapshot, not historical panel.

Candidate key: No asserted natural key; preserve _source_row.

Field SQL type NULL rows Meaning
_source_row BIGINT 0 Ordinal in the pinned source member; not a cross-release entity key.
detention_facility_code VARCHAR 1 ICE facility code; one source NULL is retained.
name VARCHAR 0 Facility name reported by the source; names are not stable facility identifiers.
address VARCHAR 73 Institutional street address as recorded by the source.
city VARCHAR 73 City label associated with the reported address.
county VARCHAR 76 County containing the geocoded facility, where identified.
county_fips_code VARCHAR 76 County geographic identifier retained as text; missing geography is preserved.
core_based_statistical_area VARCHAR 166 Core-based statistical area name assigned to the facility location.
core_based_statistical_area_code VARCHAR 166 Text identifier of the assigned core-based statistical area.
core_based_statistical_area_type VARCHAR 166 Source designation of metropolitan or micropolitan area type.
combined_statistical_area VARCHAR 356 Combined statistical area name assigned to the facility location.
combined_statistical_area_code VARCHAR 356 Text identifier of the assigned combined statistical area.
state VARCHAR 0 State or territory label associated with the source location.
state_fips_code VARCHAR 76 State FIPS identifier retained as text; do not coerce leading zeros away.
zip VARCHAR 73 Postal ZIP code retained as text, preserving leading zeros.
address_full VARCHAR 73 Source-combined institutional address string.
latitude DOUBLE 75 Source point latitude in decimal degrees; missing coordinates are not imputed.
longitude DOUBLE 75 Source point longitude in decimal degrees; missing coordinates are not imputed.
field_office VARCHAR 73 ERO office responsible for the facility location; not a verified name key to the office table.
federal_court_district_of_confinement VARCHAR 72 Federal judicial district assigned to the facility location; not by itself a legal-venue determination.
federal_court_circuit_of_confinement VARCHAR 72 Federal circuit assigned to the facility location; not by itself a legal-venue determination.

offices

One office directory record across ERO, HSI and other listed agencies; not an ERO-only jurisdiction. Time semantics: reference snapshot, not historical panel.

Candidate key: No asserted natural key; preserve _source_row.

Field SQL type NULL rows Meaning
_source_row BIGINT 0 Ordinal in the pinned source member; not a cross-release entity key.
office_name VARCHAR 0 Source office label; not unique across the office directory and not a universal join key.
office_name_short VARCHAR 121 Short source office label, when provided.
agency VARCHAR 0 Source agency represented in this directory, including ERO, HSI and other offices; only AOR maps are ERO-specific.
field_office_name VARCHAR 154 Parent field-office label for the source office; NULL may indicate no parent provided.
office_type VARCHAR 0 Original string, including Field office and Sub-office.
address VARCHAR 5 Institutional street address as recorded by the source.
city VARCHAR 0 City label associated with the reported address.
state VARCHAR 0 State or territory label associated with the source location.
zip VARCHAR 1 Postal ZIP code retained as text, preserving leading zeros.
zip_4 VARCHAR 1 Original full postal ZIP or ZIP+4 value, retained as text; 265 five-character ZIPs, nine complete ten-character ZIP+4 strings and one NULL in this snapshot.
address_full VARCHAR 5 Source-combined institutional address string.
area VARCHAR 50 Original description of office responsibility; wording and inconsistencies are retained.
latitude DOUBLE 5 Source point latitude in decimal degrees; missing coordinates are not imputed.
longitude DOUBLE 5 Source point longitude in decimal degrees; missing coordinates are not imputed.

aor

One ERO area-of-responsibility record; 25 geographic areas plus one nongeographic HQ placeholder. Time semantics: reference snapshot, not historical panel.

Candidate key: No asserted natural key; preserve _source_row.

Field SQL type NULL rows Meaning
_source_row BIGINT 0 Ordinal in the pinned source member; not a cross-release entity key.
office_name VARCHAR 1 Source office label; not unique across the office directory and not a universal join key.
area_of_responsibility_name VARCHAR 0 Source AOR identifier/label, including the nongeographic HQ placeholder.
geometry_wkb BLOB 0 Original WKB; NAD83 EPSG:4269 for AOR tables. Empty HQ geometry retained.

county_aor

One county-to-ERO-area assignment record; 3,230 county records plus one nongeographic HQ placeholder. Time semantics: reference snapshot, not historical panel.

Candidate key: No asserted natural key; preserve _source_row.

Field SQL type NULL rows Meaning
_source_row BIGINT 0 Ordinal in the pinned source member; not a cross-release entity key.
STATEFP VARCHAR 1 Two-character Census state FIPS code; NULL for the HQ placeholder.
COUNTYFP VARCHAR 1 Three-character Census county FIPS code within state; NULL for HQ.
COUNTYNS VARCHAR 1 Census county National Standard/ANSI identifier retained as text.
GEOIDFQ VARCHAR 1 Fully qualified Census geographic identifier retained verbatim.
GEOID VARCHAR 1 Five-character state-plus-county FIPS identifier; NULL for HQ.
NAME VARCHAR 1 Census county name without the legal/statistical area description.
NAMELSAD VARCHAR 1 Census county name including the legal/statistical area description.
STUSPS VARCHAR 1 Census state or territory postal abbreviation.
STATE_NAME VARCHAR 1 Census state or territory name.
LSAD VARCHAR 1 Census legal/statistical area description code, retained as text.
ALAND DOUBLE 1 Census land area in square meters; not an enforcement measure.
AWATER DOUBLE 1 Census water area in square meters; not an enforcement measure.
office_name VARCHAR 1 Source office label; not unique across the office directory and not a universal join key.
notes VARCHAR 3,134 Source caveats about the county-to-office assignment.
area_of_responsibility_name VARCHAR 0 Source AOR identifier/label, including the nongeographic HQ placeholder.
geometry_wkb BLOB 0 Original WKB; NAD83 EPSG:4269 for AOR tables. Empty HQ geometry retained.