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The GeoHub is the City's new public platform for exploring, visualizing, and downloading location-based Open Data. You can also analyze and combine Open Data layers using maps, as well as develop new web and mobile applications. Let's make our great City even better, together!
This website represents Los Angeles County’s commitment to transparency. Here, you’ll find a wide array of information to help you explore the work of the county and its impact on residents. You can conduct research, build apps, create visualizations and much more. Keep coming back as we add to the data trove.
"A data-informed analysis of health issues and outcomes in Los Angeles. The data in the Health Atlas highlights the geographic concentration of health disparities throughout Los Angeles, website underscoring a key issue: the neighborhoods that Angelenos live in influence their health and wellbeing. The data will inform the goals and policies that should be prioritized in the Plan for a Healthy Los Angeles. The Plan for a Healthy Los Angeles website provides a user-friendly, approved interactive format for the public to view and interact with the health data." (from website)
"Harvested from federal, state, regional, and local data publishers, these open datasets and related data stories tell the public tale of Los Angeles County. They reveal what we know and even what we don't know. Use them to examine your government, explain how things work, and explore the potential for social change in and across Los Angeles County."
"The Neighborhood Data for Social Change (NDSC) platform is a project of the USC Price Center for Social Innovation. NDSC is a free, publicly available online resource for civic actors to learn about their neighborhoods. NDSC illuminates the trends, challenges, and opportunities facing local communities. The platform helps tell the stories of neighborhoods through maps, charts, data analysis, and storytelling; helping community stakeholders track measurable change, improve local policies and programs, and ultimately advocate for a better quality of life within their communities."
"The Library of Congress/Ira Gershwin Gallery presents historical maps of Los Angeles from the collections of the Library of Congress Geography and Map Division. These diverse works of craftsmanship, precision, and imagination provide a guide to some of the most remarkable stories of the city’s history: its discovery, its growth, and its industries, as seen by explorers, engineers, artists, residents, and boosters."
"The Works Progress Administration (WPA) conducted a land use survey from December 18, 1933 to May 8, 1939 for the city of Los Angeles, Department of City Planning. It covered approximately 460 square miles within the boundary of the City of Los Angeles and resulted in this series of 345 hand-colored land use survey maps. They are collected in 10 books (averaging 35 maps per book) each corresponding to a geographic region within the City's boundary. Each original map measures bout 2 ft. x 3.5 ft."
"The Assessor has developed the Property Assessment Information System (PAIS) to enhance Internet services to the public. Currently you may research assessment information for individual parcels, print Assessor maps, and search for sales within the past two years. This system is best viewed using Internet Explorer 4.0 or higher and a screen resolution of 1024 x 768."