About this Dataset

Census Tracts In 1940

Census Year 1940 Census Tracts. The dataset contains polygons representing CY 1940 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Census tracts were identified from maps provided by the U.S. Census Bureau and the D.C. Office of Planning. The tract polygons were created by selecting street arcs from the WGIS planimetric street centerlines. Where necessary, polygons were also heads-up digitized from 1995/1999 orthophotographs.
Organization: District of Columbia
Last updated: 2024-04-30T19:04:33.107127
Tags: census, census-tract, demographic, district-of-columbia, government-jurisdiction, open-data, tract, washington-dc

Tables

Table 1

@usgov.district_of_columbia_census_tracts_in_1940.table_1

120.82 kB
96 rows
115 columns

CREATE TABLE table_1 (
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  "nhgiscty" BIGINT,
  "gisjoin" VARCHAR,
  "gisjoin2" BIGINT,
  "sqmi" DOUBLE,
  "census_year" BIGINT,
  "state_name" VARCHAR,
  "tract_number" BIGINT,
  "tract_name" VARCHAR,
  "bub01" BIGINT,
  "buj01" BIGINT,
  "buj02" BIGINT,
  "buj03" BIGINT,
  "buj04" BIGINT,
  "buj05" BIGINT,
  "buj06" BIGINT,
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  "buj11" BIGINT,
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  "buj14" BIGINT,
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  "buj17" BIGINT,
  "buj18" DOUBLE,
  "buj19" BIGINT,
  "buj20" DOUBLE,
  "bvs001" BIGINT,
  "bvs001p" DOUBLE,
  "bvs002" BIGINT,
  "bvs002p" DOUBLE,
  "buq001" BIGINT,
  "buq001p" DOUBLE,
  "buq002" BIGINT,
  "buq002p" DOUBLE,
  "bup1" BIGINT,
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  "bup2p" DOUBLE,
  "bu1001" BIGINT,
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  "bu2001p" DOUBLE,
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  "buw0" BIGINT,
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  "buz01" BIGINT,
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  "bu1" BIGINT,
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);