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The population count of Buffalo, NY was 263,914 in 2011. The population count of Rochester, NY was 211,457 in 2011.

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 Buffalo, NY or Rochester, NY

  • API

    Monthly HELP (Highway Emergency Local Patrol) Assists: Beginning 2010

    data.ny.gov | Last Updated 2022-02-15T22:34:06.000Z

    The HELP (Highway Emergency Local Patrol) file provides the number of motorists assisted by month, by region, in vehicles traveling on over 1,450 miles of limited access interstate roadways, parkways, and expressways on Long Island, in New York City, the Lower Hudson Valley, Buffalo, Syracuse, Rochester, and the Albany Capital District.

  • API

    511 NY Events: Beginning 2010

    data.ny.gov | Last Updated 2023-04-12T19:46:51.000Z

    The 511NY dataset contain historical traffic and transit event information provided by the New York State Department of Transportation (NYSDOT), the New York City Department of Transportation, the New York State Thruway Authority and the Niagara International Transportation Technology Coalition (Buffalo-Niagara Region). The file includes all incidents/accidents, construction projects and special events in New York State that were available on the 511NY traffic and transit map for the time period noted.

  • API

    State University of New York (SUNY) Trends in Enrollment of Students by Race/Ethnicity and by SUNY Sector: Beginning Fall 2002

    data.ny.gov | Last Updated 2023-09-22T19:13:02.000Z

    Enrollment trends by SUNY Sector for home institution students by their racial/ethnic group beginning Fall 2002.

  • API

    New York State Population Data: Beginning 2003

    health.data.ny.gov | Last Updated 2024-03-07T16:13:08.000Z

    Population data file is provided as an additional reference file when interpreting vital statistics death rates. The population data is derived from the corresponding release of the NCHS annual estimates of "Bridged Race Vintage" which are consistent with the Bureau of the Census estimates from "Vintage" (released in the summer). For more information, check out: http://www.health.ny.gov/statistics/vital_statistics/. The "About" tab contains additional details concerning this dataset.

  • API

    Personal Income Tax Filers, Summary Dataset 2 - Major Items and Income & Deduction Components by Place of Residence and Broad Income Range: Beginning Tax Year 2015

    data.ny.gov | Last Updated 2023-08-14T14:18:08.000Z

    Beginning with tax year 2015, the Department of Taxation and Finance (hereafter “the Department”) began producing a new annual population data study file to provide more comprehensive statistical information on New York State personal income tax returns. The data are from full‐year resident, nonresident, and part‐year resident returns filed between January 1 and December 31 of the year after the start of the liability period (hereafter referred to as the “processing year”). The four datasets display major income tax components by tax year. This includes the distribution of New York adjusted gross income and tax liability by county or place of residence, as well as the value of deductions, exemptions, taxable income and tax before credits by size of income. In addition, three of the four datasets include all the components of income, the components of deductions, and the addition/subtraction modifications. Caution: The current datasets are based on population data. For tax years prior to 2015, data were based on sample data. Data customers are advised to use caution when drawing conclusions comparing data for tax years prior to 2015 and subsequent tax years. Further details are included in the Overview.

  • API

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

    data.ny.gov | Last Updated 2024-02-08T14:28:09.000Z

    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

    Local Area Unemployment Statistics: Beginning 1976

    data.ny.gov | Last Updated 2024-05-21T17:21:14.000Z

    The Local Area Unemployment Statistics program estimates labor force statistics (labor force, employed, unemployment, unemployment rate) for New York State civilian labor force aged 16 and up. Areas covered include, New York State, New York City, Balance of State, Metropolitan Statistical Areas, Counties, Labor Market Regions, Workforce Investment Board Areas, and cities and towns with populations of 25,000 or more. Data are not seasonally adjusted. Civilian labor force data do not include military, prison inmate, or other institutional populations.

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    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.

  • API

    New York State Statewide COVID-19 Vaccination Data by County (Archived)

    health.data.ny.gov | Last Updated 2023-11-10T18:22:27.000Z

    <b>Note:</b> As of November 10, 2023, this dataset has been archived. For the current version of this data, please visit: https://health.data.ny.gov/d/gikn-znjh This dataset reports daily on the number of people vaccinated by New York providers with at least one dose and with a complete COVID-19 vaccination series overall since December 14, 2020. New York providers include hospitals, mass vaccination sites operated by the State or local governments, pharmacies, and other providers registered with the State to serve as points of distribution. This dataset is created by the New York State Department of Health from data reported to the New York State Immunization Information System (NYSIIS) and the New York City Citywide Immunization Registry (NYC CIR). County-level vaccination data is based on data reported to NYSIIS and NYC CIR by the providers administering vaccines. Residency is self-reported by the individual being vaccinated. This data does not include vaccine administered through Federal entities or performed outside of New York State to New York residents. NYSIIS and CIR data is used for county-level statistics. New York State Department of Health requires all New York State vaccination providers to report all COVID-19 vaccination administration data to NYSIIS and NYC CIR within 24 hours of administration.