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Coverage

56,681 of 56,681 columns decided — 100.0% · 12,642 bound (22.3%) · 0 still unread

Bound: 12,642; 22.3%; a concept was found and asserted for the column.
Refused: 32,953; 58.1%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 11,086; 19.6%; read, but the evidence did not settle it.
Unanalysed: 0; 0.0%; nobody has read this column yet.

56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 8:28 AM

Where the unread columns are

3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.

Housing Database by 2020 Census Tract

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← What we have understood · Dataset page

Fields catalogued

Understood

Checked, no match

Nobody has looked

Every field decided — Every field carries a verdict — which does not mean every field is understood.

Every field in this dataset

Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.

Field	Type	What we know	Meaning	How it was decided	Shared term
centract10 centract2020	Number	Understood	place.census_tract Census Tract	value_domain_read smallest=36005000100 largest=36085990100	—
cenunits20	Number	Checked, no match	—	dictionary_read Number of total housing units counted in Census on April 1, 2020	—
comp2016	Number	Checked, no match	—	dictionary_read Net number of	—
comp2018	Number	Checked, no match	—	dictionary_read Net number of	—
comp2011	Number	Checked, no match	—	dictionary_read Net number of	—
withdrawn	Number	Checked, no match	—	dictionary_read Net number of	—
comp2017	Number	Checked, no match	—	dictionary_read Net number of	—
comp2021	Number	Checked, no match	—	dictionary_read Net number of	—
comp2024	Number	Checked, no match	—	dictionary_read Net number of	—
approved	Number	Checked, no match	—	dictionary_read Net number of	—
filed	Number	Checked, no match	—	dictionary_read Net number of	—
comp2012	Number	Checked, no match	—	dictionary_read Net number of	—
shape_area Shape_Area	Number	Checked, no match	—	dictionary_read in internal units	—
comp2015	Number	Checked, no match	—	dictionary_read Net number of	—
inactive	Number	Checked, no match	—	dictionary_read Net number of	—
bct2010 bct2020	Number	Understood	place.census_tract Census Tract	value_domain_read smallest=1000100 largest=5990100	—
permitted	Number	Checked, no match	—	dictionary_read Net number of	—
comp2020	Number	Checked, no match	—	dictionary_read Net number of	—
comp2019	Number	Checked, no match	—	dictionary_read Net number of	—
comp2010	Number	Checked, no match	—	dictionary_read Net number of	—
shape_leng Shape_Length	Number	Checked, no match	—	dictionary_read in internal units	—
comp2023	Number	Checked, no match	—	dictionary_read Net number of	—
comp2010ap	Number	Checked, no match	—	dictionary_read Net number of	—
the_geom	MultiPolygon	Understood	geometry.area Areal geometry	dictionary_read Geometry of the Census Tract	—
comp2014	Number	Checked, no match	—	dictionary_read Net number of	—
comp2022	Number	Checked, no match	—	dictionary_read Net number of	—
comp2013	Number	Checked, no match	—	dictionary_read Net number of	—