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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 11, 2026, 5:52 AM
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.
Gaps in the data behind this page
Source last observed Oct 11, 2026, 5:00 AM.
710 of the 3,026 datasets in the catalog hold no queryable rows.
710 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_mart_declared
48 of the 2,408 mirrored datasets lag the source they copy.
48 / 2,408
Source: /api/scorecard
Check it yourself: /api/scorecard#/mirror_lag/datasets_behind
This note returns on its own when the measurement moves.
These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains.
Look up buildings, housing, and property records.
Showing 7 of 7 datasets
New York City Population By Community Districts The data was collected from Census Bureaus' Decennial data dissemination (SF1) for the years 1970, 1980, 1990, 2000 and 2010. Compiled by the Population…
The Building Elevation and Subgrade data contains New York City building centroids derived from the Department of Building's (DOB) February 26th, 2022 building footprint dataset. Each record contains…
GIS data: Boundaries of 2000 Census Tracts (water areas included). All previously released versions of this data are available at BYTES of the BIG APPLE- Archive
GIS data: Boundaries of 2000 Census Tracts. All previously released versions of this data are available at BYTES of the BIG APPLE- Archive
Unadjusted decennial census data from 1950-2000 and projected figures from 2010-2040: summary table of New York City population numbers and percentage share by Borough, including school-age (5 to 17),…
Projected New York City population numbers and percentage changes from 2010 through 2040 by Borough, including school-age, 65 and Over, and total population.
Projected total New York City population for five intervals from 2010 through 2040 by Borough, broken down by 18 age cohorts. (Age groups may not add up to the total due to rounding.)