National Neighborhood Data Archive
News
New from NaNDA: Broadband Availability by Census Tract and ZCTA, United States, 2025
National Neighborhood Data Archive Access to high-speed internet has become a fundamental driver of health and well-being — shaping access to telehealth, employment, education, and social connection. Yet broadband availability remains deeply unequal across U.S....
Where did Connecticut go?
National Neighborhood Data Archive Where Did Connecticut Go? A Tale of Belated Geographic Boundary ChangesCensus tract boundaries only change with the decennial census. That's how it works, and why NaNDA provides datasets using multiple geographic boundaries. Except...
Give Credit Where It’s Due: Citing Data
National Neighborhood Data Archive While citation styles don't always offer clear guidance for datasets, citing data is just as important as citing articles—it gives credit to producers and helps readers locate the source. While there is some debate over dataset...
Call for Proposals: Shape the Future of Neighborhood Data with NaNDA Pilot Grants
National Neighborhood Data ArchiveNaNDA is thrilled to announce our 2025 Pilot Grant award! We’re looking to fund 2-3 exciting pilot projects aimed at developing innovative neighborhood measures that span the United States. Successful projects will have their results...
🌟 Hot Off the Dataset Press: New & Updated NaNDA Releases!
National Neighborhood Data Archive The National Neighborhood Data Archive (NaNDA) is thrilled to share our latest batch of neighborhood-level data products! These newly published and updated datasets expand our collection to support even more research on the social...
Understanding Missing Data in NaNDA: A Closer Look at Area Density and Other Variables
National Neighborhood Data ArchiveMissing data is a common challenge when working with large datasets, and understanding why data might be missing is crucial to avoid misinterpretation and potential bias in research. A question that users sometimes ask is why certain...
Understanding Geographies in NaNDA: Tract10, Tract20, ZCTA10, and ZCTA20
National Neighborhood Data Archive When working with neighborhood-level data in the National Neighborhood Data Archive (NaNDA), selecting the appropriate geographic unit is crucial for meaningful analysis. The two most common geographies found in NaNDA datasets are...
NaNDA Updates Voter Registration, Turnout, and Partisanship Dataset Through 2022
National Neighborhood Data ArchiveThe National Neighborhood Data Archive (NaNDA) is excited to announce the latest update to our Voter Registration, Turnout, and Partisanship by County dataset, now including data from 2004 through 2022. This comprehensive dataset...
Social Services 1990-2021 Published
National Neighborhood Data Archive The National Neighborhood Data Archive (NaNDA) is proud to announce we have updated our Social Services dataset for 1990-2021. In the past, NaNDA published versions of this dataset for years 2003-2017 at the 2010 Census Tract and ZIP...
NaNDA: National Establishment Time Series (NETS) Datasets Update
National Neighborhood Data Archive Religious, Civic, and Social Organizations Published The moment many of you have been waiting for… the National Neighborhood Data Archive (NaNDA) is happy to announce that we are finally beginning to publish updated and expanded...
