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Class: Tract

A census tract is a small, relatively permanent geographic area within a county, used to collect and present demographic data from the census, usually containing between 2,500 and 8,000 residents and designed to be as homogeneous as possible in terms of population characteristics and living conditions.

URI: synthetic_population_schema:Tract

classDiagram class Tract click Tract href "../Tract" Tract : block_groups Tract --> "1..*" BlockGroup : block_groups click BlockGroup href "../BlockGroup" Tract : county_fips_code Tract : fips_code Tract : state_fips_code

Slots

Name Cardinality and Range Description Inheritance
fips_code 0..1
String		 Federal Information Processing Standard code, is a unique numeric identifier ... direct
state_fips_code 0..1
String		 State FIPS code direct
county_fips_code 0..1
String		 County FIPS code direct
block_groups 1..*
BlockGroup		 Block groups within the tract direct

Usages

used by used in type used
County tracts range Tract

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/sierra-moxon/synthetic-population-schema

Mappings

Mapping Type Mapped Value
self synthetic_population_schema:Tract
native synthetic_population_schema:Tract
exact wikidata:Q107738887, NCIT:C67490

LinkML Source

Direct

name: Tract
description: A census tract is a small, relatively permanent geographic area within
  a county, used to collect and present  demographic data from the census, usually
  containing between 2,500 and 8,000 residents and designed to be as  homogeneous
  as possible in terms of population characteristics and living conditions.
from_schema: https://w3id.org/sierra-moxon/synthetic-population-schema
exact_mappings:
- wikidata:Q107738887
- NCIT:C67490
slots:
- fips_code
- state_fips_code
- county_fips_code
- block_groups

Induced

name: Tract
description: A census tract is a small, relatively permanent geographic area within
  a county, used to collect and present  demographic data from the census, usually
  containing between 2,500 and 8,000 residents and designed to be as  homogeneous
  as possible in terms of population characteristics and living conditions.
from_schema: https://w3id.org/sierra-moxon/synthetic-population-schema
exact_mappings:
- wikidata:Q107738887
- NCIT:C67490
attributes:
  fips_code:
    name: fips_code
    description: Federal Information Processing Standard code, is a unique numeric
      identifier assigned to geographic areas like  states and counties within the
      United States, used primarily by the Census Bureau to identify locations when  analyzing
      population data.
    from_schema: https://w3id.org/sierra-moxon/synthetic-population-schema
    exact_mappings:
    - wikidata:Q917824
    rank: 1000
    alias: fips_code
    owner: Tract
    domain_of:
    - State
    - PUMA
    - County
    - Tract
    - BlockGroup
    - School
    range: string
  state_fips_code:
    name: state_fips_code
    description: State FIPS code.
    from_schema: https://w3id.org/sierra-moxon/synthetic-population-schema
    exact_mappings:
    - wikidata:Q5440257
    rank: 1000
    is_a: fips_code
    alias: state_fips_code
    owner: Tract
    domain_of:
    - PUMA
    - County
    - Tract
    - BlockGroup
    - School
    - Person
    range: string
  county_fips_code:
    name: county_fips_code
    description: County FIPS code.
    from_schema: https://w3id.org/sierra-moxon/synthetic-population-schema
    exact_mappings:
    - wikidata:P882
    rank: 1000
    is_a: fips_code
    alias: county_fips_code
    owner: Tract
    domain_of:
    - Tract
    - BlockGroup
    - School
    - Person
    range: string
  block_groups:
    name: block_groups
    description: Block groups within the tract.
    from_schema: https://w3id.org/sierra-moxon/synthetic-population-schema
    rank: 1000
    alias: block_groups
    owner: Tract
    domain_of:
    - Tract
    range: BlockGroup
    required: true
    multivalued: true