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Census Tracts in 2000
The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census Bureau's... -
Census Tracts in 1990
Census Year 1990 Tract Polygons. This dataset contains polygon features, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief... -
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.... -
Census Tracts in 1960
Census Year 1960 Census Tracts. The dataset contains polygons representing CY 1960 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C.... -
Heritage Trails
DC's Heritage Trails are the official walking trails of Washington, DC. The dataset contains locations and attributes of Heritage Trails, created as part of the DC Geographic... -
ReOpen DC Effective Reproduction Number
The effective reproduction number (Rt) estimates the average number of secondary cases generated by an individual with SARS-CoV-2. If Rt is above 1, the number of daily new... -
ReOpen DC Contact Tracing Close Contacts
Contact tracing close contacts includes an interview with the initial case to collect basic information, identify contacts, and provide resources and instructions for isolation.... -
ReOpen DC Sustained Decrease (Retired)
This layer was retired on November 1, 2020. Data include only community infections, not infections that happen in congregate settings. Congregate settings include jails,... -
ReOpen DC Contact Tracing
Contact tracing includes an interview with the initial case to collect basic information, identify contacts, and provide resources and instructions for isolation. Contact... -
ReOpen DC New Cases
As the outbreak is brought under control and there is a high level of contact tracing capacity, most new positive cases should stem from individuals who we have already... -
ReOpen DC Positivity
In areas with high levels of testing, a decreasing positivity rate indicates that the levels of virus circulating in the District are falling. The positivity rate is calculated... -
District Government Land Line Dimensions
District Government Land Line Dimensions. A layer showing District of Columbia government related properties (owned, operated, and or managed) to be used by many DC Government...
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