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The population density of Sacramento County, CA was 1,565 in 2018. The population density of San Mateo County, CA was 1,708 in 2018. The population density of Santa Clara County, CA was 1,490 in 2018.

Population Density

Population Density is computed by dividing the total population by Land Area Per Square Mile.

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 Population Datasets Involving Santa Clara County, CA or San Mateo County, CA or Sacramento 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

    COVID-19 cases by city of residence

    data.sccgov.org | Last Updated 2024-06-15T00:02:08.000Z

    The dataset summarizes counts and rates of cumulative COVID-19 cases by cities in Santa Clara County. Source: California Reportable Disease Information Exchange This dataset is updated every Thursday.

  • API

    COVID-19 cases by zip code of residence

    data.sccgov.org | Last Updated 2024-06-15T00:22:47.000Z

    The datset summarizes counts and rates of cumulative COVID-19 cases by zip codes in Santa Clara County. Source: California Reportable Disease Information Exchange. This dataset is updated every Thursday.

  • API

    San Mateo County And California Crime Rates 2000-2014

    performance.smcgov.org | Last Updated 2016-08-31T20:40:07.000Z

    Violent and property crime rates per 100,000 population for San Mateo County and the State of California. The total crimes used to calculate the rates for San Mateo County include data from: Sheriff's Department Unincorporated, Atherton, Belmont, Brisbane, Broadmoor, Burlingame, Colma, Daly City, East Palo Alto, Foster City, Half Moon Bay, Hillsborough, Menlo Park, Millbrae, Pacifica, Redwood City, San Bruno, San Carlos, San Mateo, South San Francisco, Bay Area DPR, BART, Union Pacific Railroad, and CA Highway Patrol.

  • 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

    County Naturalization Index

    data.sccgov.org | Last Updated 2023-12-15T23:23:02.000Z

    This Naturalization Index lists 8,000 individuals naturalized in Santa Clara County courts from 1850 to 1934. Each entry may include the name of the person naturalized, their nationality, the date of admission, the court in which they were naturalized, and a book and page reference. The Archives does not hold any naturalization records, which are in the custody of the Santa Clara County Superior Court at 191 N. First Street, San Jose. The County's Declarations of Intention from 1850 to 1930 have been microfilmed by the Genealogical Society of Utah, and the microfilm should be available through Family History Centers. A copy of the microfilm also may be viewed at the California State Archives in Sacramento.

  • API

    Housing Affordability Index- California and San Mateo County

    performance.smcgov.org | Last Updated 2021-05-18T20:13:34.000Z

    URL, CA Association of Realtors,

  • API

    COVID-19 cases among children by age

    data.sccgov.org | Last Updated 2024-06-21T00:10:16.000Z

    The dataset provides information about COVID-19 cases among children ages under 18 years by age among Santa Clara County residents. Source: California Reportable Disease Information Exchange

  • API

    San Mateo County and Other Bay Area Counties Annual Unemployment Rate (not seasonally adjusted)

    performance.smcgov.org | Last Updated 2021-05-20T16:46:23.000Z

    San Mateo County and Other Bay Area Counties Annual Unemployment Rate (not seasonally adjusted) for years 2000-2019 Compared to Marin County, San Francisco County, Santa Clara County, and the State of California. Data is non-preliminary.

  • API

    Health_5510B_Covered California Enrollment_HCU3

    datahub.smcgov.org | Last Updated 2021-07-30T17:28:38.000Z

    number of San Mateo County residents in Covered CA