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The land area of Los Angeles County, CA was 4,058 in 2018.

Land Area

Water Area

Land area is a measurement providing the size, in square miles, of the land portions of geographic entities for which the Census Bureau tabulates and disseminates data. Area is calculated from the specific boundary recorded for each entity in the Census Bureau's geographic database. Land area is based on current information in the TIGER® data base, calculated for use with Census 2010.

Water Area figures include inland, coastal, Great Lakes, and territorial sea water. Inland water consists of any lake, reservoir, pond, or similar body of water that is recorded in the Census Bureau's geographic database. It also includes any river, creek, canal, stream, or similar feature that is recorded in that database as a two- dimensional feature (rather than as a single line). The portions of the oceans and related large embayments (such as Chesapeake Bay and Puget Sound), the Gulf of Mexico, and the Caribbean Sea that belong to the United States and its territories are classified as coastal and territorial waters; the Great Lakes are treated as a separate water entity. Rivers and bays that empty into these bodies of water are treated as inland water from the point beyond which they are narrower than 1 nautical mile across. Identification of land and inland, coastal, territorial, and Great Lakes waters is for data presentation purposes only and does not necessarily reflect their legal definitions.

Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API - Notes:

1. ODN datasets and APIs are subject to change and may differ in format from the original source data in order to provide a user-friendly experience on this site.

2. To build your own apps using this data, see the ODN Dataset and API links.

3. If you use this derived data in an app, we ask that you provide a link somewhere in your applications to the Open Data Network with a citation that states: "Data for this application was provided by the Open Data Network" where "Open Data Network" links to http://opendatanetwork.com. Where an application has a region specific module, we ask that you add an additional line that states: "Data about REGIONX was provided by the Open Data Network." where REGIONX is an HREF with a name for a geographical region like "Seattle, WA" and the link points to this page URL, e.g. http://opendatanetwork.com/region/1600000US5363000/Seattle_WA

Geographic and Area Datasets Involving Los Angeles County, CA

  • API

    Personal Income Tax Statistics By Zip Code

    data.ftb.ca.gov | Last Updated 2024-04-24T15:30:48.000Z

    This dataset contains data from California resident tax returns filed with California adjusted gross income and self-assessed tax listed by zip code. This dataset contains data for taxable years 1992 to the most recent tax year available.

  • API

    Next Generation Simulation (NGSIM) Vehicle Trajectories and Supporting Data

    datahub.transportation.gov | Last Updated 2024-05-01T01:04:05.000Z

    Click “Export” on the right to download the vehicle trajectory data. The associated metadata and additional data can be downloaded below under "Attachments". Researchers for the Next Generation Simulation (NGSIM) program collected detailed vehicle trajectory data on southbound US 101 and Lankershim Boulevard in Los Angeles, CA, eastbound I-80 in Emeryville, CA and Peachtree Street in Atlanta, Georgia. Data was collected through a network of synchronized digital video cameras. NGVIDEO, a customized software application developed for the NGSIM program, transcribed the vehicle trajectory data from the video. This vehicle trajectory data provided the precise location of each vehicle within the study area every one-tenth of a second, resulting in detailed lane positions and locations relative to other vehicles. Click the "Show More" button below to find additional contextual data and metadata for this dataset. For site-specific NGSIM video file datasets, please see the following: - NGSIM I-80 Videos: https://data.transportation.gov/Automobiles/Next-Generation-Simulation-NGSIM-Program-I-80-Vide/2577-gpny - NGSIM US-101 Videos: https://data.transportation.gov/Automobiles/Next-Generation-Simulation-NGSIM-Program-US-101-Vi/4qzi-thur - NGSIM Lankershim Boulevard Videos: https://data.transportation.gov/Automobiles/Next-Generation-Simulation-NGSIM-Program-Lankershi/uv3e-y54k - NGSIM Peachtree Street Videos: https://data.transportation.gov/Automobiles/Next-Generation-Simulation-NGSIM-Program-Peachtree/mupt-aksf

  • API

    B-7, Adjusted Gross Income by County

    data.ftb.ca.gov | Last Updated 2024-04-23T21:59:49.000Z

    This dataset contains adjusted gross income class tax statistics for California personal income tax return data by county.

  • API

    LADWP Water Supply in Acre Feet

    data.lacity.org | Last Updated 2020-11-30T17:05:18.000Z

    Sources of LADWP Water Supply in Acre Feet. MWD - Metropolitan Water District, LA Aqueduct, Local Groundwater, and Recycled Water.

  • API

    Restaurant and Market Health Inspections

    data.lacity.org | Last Updated 2020-11-30T17:17:51.000Z

    This dataset contains Environmental Health Inspection Results for Restaurants and Markets in the City of Los Angeles. Los Angeles County Environmental Health is responsible for inspections and enforcement activities for all unincorporated areas and 85 of the 88 cities in the County. This dataset is filtered from County data to include only facilities in the City of Los Angeles. The full dataset is available at https://data.lacounty.gov/Health/LOS-ANGELES-COUNTY-RESTAURANT-AND-MARKET-INSPECTIO/6ni6-h5kp.

  • API

    Citizen Connect Variables (LA)

    usc.data.socrata.com | Last Updated 2021-07-29T07:07:00.000Z

    Neighborhood Data for Social Change Platform indicators across 10 Policy Areas

  • API

    Publicly-Owned Properties

    controllerdata.lacity.org | Last Updated 2019-06-18T23:30:17.000Z

    This dataset contains all properties in the City of Los Angeles owned by the following public entities: Federal GSD, State of California, Los Angeles County, City of Los Angeles, LAUSD, and Metro. This data on property ownership was derived from the data made available by the Los Angeles County Assessor's Office, here: https://data.lacounty.gov/Parcel-/Assessor-Publicly-Owned-Parcels-Listing/a9jw-tqfp/data

  • API

    Restaurant and Market Health Violations

    data.lacity.org | Last Updated 2020-11-30T17:17:50.000Z

    This dataset contains Environmental Health Inspection Results for Restaurants and Markets in the City of Los Angeles. Los Angeles County Environmental Health is responsible for inspections and enforcement activities for all unincorporated areas and 85 of the 88 cities in the County. This dataset combines some of the fields from the County's inspection and violation data, and is filtered to include only facilities in the City of Los Angeles. The full datasets can be found at the following urls: https://data.lacounty.gov/Health/LOS-ANGELES-COUNTY-RESTAURANT-AND-MARKET-INSPECTIO/6ni6-h5kp https://data.lacounty.gov/Health/LOS-ANGELES-COUNTY-RESTAURANT-AND-MARKET-VIOLATION/8jyd-4pv9

  • API

    Building and Safety Certificate of Occupancy

    data.lacity.org | Last Updated 2024-05-13T12:53:21.000Z

    The Department of Building and Safety is required by the Los Angeles Municipal Code to issue a Certificate of Occupancy for every building or structure in the City of Los Angeles. A Certificate of Occupancy is a document issued by the Department of Building and Safety certifying a building's compliance with applicable building codes and other laws, and indicating it to be in a condition suitable for occupancy.

  • API

    2019 Registered Foreclosure Properties

    data.lacity.org | Last Updated 2022-05-17T23:07:55.000Z

    2019 Foreclosure Properties registered with the LAHD from January 1, 2019 through December 31, 2019