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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

  • 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

    Unemployment Insurance Beneficiaries and Benefit Amounts Paid: Beginning 2001

    data.ny.gov | Last Updated 2024-04-16T12:07:38.000Z

    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

    Hospital Inpatient Prevention Quality Indicators (PQI) for Adult Discharges by County (SPARCS): Beginning 2009

    health.data.ny.gov | Last Updated 2023-01-26T19:47:59.000Z

    This is one of two datasets that contain observed and expected rates for Agency for Healthcare Research and Quality Prevention Quality Indicators – Adult (AHRQ PQI) beginning in 2009. This dataset is at the county level. The Agency for Healthcare Research and Quality (AHRQ) Prevention Quality Indicators (PQIs) are a set of population based measures that can be used with hospital inpatient discharge data to identify ambulatory care sensitive conditions. These are conditions where 1) the need for hospitalization is potentially preventable with appropriate outpatient care, or 2) conditions that could be less severe if treated early and appropriately. All PQIs apply only to adult populations (over the age of 18 years). The rates were calculated using Statewide Planning and Research Cooperative System (SPARCS) inpatient data and Claritas population information. The observed rates and expected rates for each AHRQ PQI is presented by either resident county (including a statewide total) or resident zip code (including a statewide total).

  • 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.

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    Taxable Sales And Purchases Quarterly Data: Beginning Sales Tax Year 2013-2014

    data.ny.gov | Last Updated 2024-04-23T15:03:45.000Z

    These statistics come from more than three million data items reported on about 250,000 sales tax returns filed quarterly and on about 300,000 returns filed annually. The dataset categorizes quarterly sales and purchases data by industry group using the North American Industry Classification System. The status of data will change as preliminary data becomes final.

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    Medicaid Inpatient Prevention Quality Indicators (PQI) for Adult Discharges by Patient County: Beginning 2011

    health.data.ny.gov | Last Updated 2016-12-05T21:58:39.000Z

    The datasets contain number of Medicaid PQI hospitalizations (numerator), county Medicaid population (denominator), observed rate, expected number of hospitalizations and rate, and risk-adjusted rate for Agency for Healthcare Research and Quality Prevention Quality Indicators – Adult (AHRQ PQI) for Medicaid enrollees beginning in 2011.

  • 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

    Hospital Inpatient Prevention Quality Indicators (PQI) for Adult Discharges by Zip Code (SPARCS): Beginning 2009

    health.data.ny.gov | Last Updated 2023-01-27T17:26:56.000Z

    This dataset is one of two datasets that contain observed and expected rates for Agency for Healthcare Research and Quality Prevention Quality Indicators – Adult (AHRQ PQI) beginning in 2009. The observed rates and expected rates for each AHRQ PQI is presented by either resident county (including a statewide total) or resident zip code (including a statewide total).

  • API

    State of New York Mortgage Agency (SONYMA) Loans Purchased: Beginning 2004

    data.ny.gov | Last Updated 2019-06-10T18:01:23.000Z

    Financial and Geographic Information on SONYMA Loans purchased since 2004.