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The population count of Nassau County, NY was 1,356,564 in 2018. The population count of Suffolk County, NY was 1,487,901 in 2018. The population count of Westchester County, NY was 968,815 in 2018.

Population

Population Change

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

Demographics and Population Datasets Involving Suffolk County, NY or Westchester County, NY or Nassau County, NY

  • API

    Current Season Spring Trout Stocking

    data.ny.gov | Last Updated 2024-03-18T19:40:19.000Z

    DEC stocks close to 2 million catchable-size brook, brown, and rainbow trout in over 309 lakes and ponds and roughly 2,900 miles of streams across the state each spring. This dataset represents the planned stocking numbers, species and time of spring for those waters for the current fishing season. The current stocking data is updated annually in mid-March.

  • API

    Total Income And Tax Liability By Place Of Residence: Beginning Tax Year 1999

    data.ny.gov | Last Updated 2021-12-31T17:19:29.000Z

    The Department of Taxation and Finance annually produces a data (study) file and provides a report of statistical information on New York State personal income tax returns that were timely filed. Timely filing means that the tax return was delivered to the Department on or before the due date of the tax return. The data are from full-year resident, full-year nonresident, and part-year resident returns. This dataset defines individuals filing a resident tax return as full-year residents and individuals filing a nonresident tax return are defined as either a full- year nonresident or a part-year resident.Data presented in this dataset provide the major income tax structure components by size of income. The components include income, deductions, dependent exemptions, and tax liability. The data also provides this information by size of income and by the filer’s permanent place of residence (county, state or country). For a more detailed explanation on the determination of residency and components of income see the attachment: NYSTF_PlaceOfResidence_Introduction.Researchers agree to: Use the data for statistical reporting an analysis only. The author will include a disclaimer that states any analyses, interpretations or conclusions were reached by the author and not the New York State Department of Taxation and Finance.

  • API

    New York State ZIP Codes-County FIPS Cross-Reference

    data.ny.gov | Last Updated 2019-06-10T18:03:31.000Z

    A listing of NYS counties with accompanying Federal Information Processing System (FIPS) and US Postal Service ZIP codes sourced from the NYS GIS Clearinghouse.

  • API

    Unemployment Insurance Beneficiaries and Benefit Amounts Paid: Beginning 2001

    data.ny.gov | Last Updated 2024-05-16T13:01:22.000Z

    Dataset contains monthly counts, from 2001 to present, of individuals receiving regular unemployment insurance benefits, as well as the total amount of benefits received from New York State. Data are provided for the state, 10 labor market regions, and counties. State counts can include everyone who receives benefits through New York State (including out-of-state residents) or only state residents who do so (excluding out-of-state residents). Regular unemployment insurance includes: Unemployment Insurance (UI) Compensation, Compensation for Federal Employees (UCFE), Unemployment Compensation for Ex-Service Members (UCX), Shared Work (SW) and Self Employment Assistance Program (SEAP). It excludes federal extensions and 599.2 training.

  • API

    Agricultural Fairs in New York State

    data.ny.gov | Last Updated 2023-08-28T16:06:50.000Z

    Directory of New York State agricultural fairs for the current year, provided by the NYS Department of Agriculture and Markets. The dataset includes the address and county of the fair, the fair’s begin and end dates and the website address for each fair.

  • API

    Texting Zone Locations

    data.ny.gov | Last Updated 2022-02-15T22:44:21.000Z

    Special "Texting Zones" locations along the New York State Thruway and State Highways that give motorists a pull-off area to park and use their mobile devices. Existing Park-n-Ride facilities, rest stops, parking areas and travel plazas along the Thruway and State Highways will have a dual-function as a texting zone. A total of 90 Texting Zones are located along major highways across the state. New York State Department of Transportation (NYSDOT) in coordination with the Thruway Authority, have collaborated to provide Texting Zones location information and signage to inform drivers.

  • API

    Breeding Bird Atlases

    data.ny.gov | Last Updated 2019-06-10T18:02:38.000Z

    New York State’s first and second breeding bird atlases documented the distribution of the state’s avifauna during two distinct time periods: 1980-1985 and 2000-2005. Over 4,300 individuals submitted data during the first atlas yielding a final, cumulative dataset of over 361,583 records. Over 1,200 individuals submitted data for the second atlas project, resulting in a final database of 519,570 records.

  • API

    Earned Income Tax Credit (EITC) Claims by Credit Type and Place of Residence: Beginning Tax Year 1994

    data.ny.gov | Last Updated 2024-02-08T14:27:49.000Z

    The Department of Taxation and Finance (the Department) annually publishes statistical information on the New York State earned income tax credit (EITC). This includes data on the separate New York City EITC and the New York State noncustodial parent EITC. Summary data are presented for all taxpayers which includes full-year New York state residents, part-year residents and nonresidents (where applicable). Data are shown for the total number of claimants and credit claimed by county and/or region for all filing statuses.

  • API

    Short-term Industry Projections

    data.ny.gov | Last Updated 2024-03-06T19:36:11.000Z

    Short-term Industry Projections for a 2 year time horizon are provided for the state and 10 labor market regions to provide individuals and organizations with an industry outlook.

  • API

    Long-term Industry Projections

    data.ny.gov | Last Updated 2023-06-30T17:36:30.000Z

    Long-term Industry Projections for a 10 year time horizon are provided for the state and 10 labor market regions to provide individuals and organizations with an industry outlook.