Category Archives: data-tools-4
Chattanooga RPA Rolls Out 5-Year ACS Extraction Tool for ArcGIS Pro
5-year American Community Survey data straight to ArcGIS Pro maps and geodatabases. A new tool from Randy Pullen at the Chattanooga-Hamilton County Regional Planning Agency gets tract-level American Community Survey data directly into ArcGIS Pro.
Producing Maps of Detailed Population Change between 2010 and 2020
Maps showing more detailed subcounty population change between decades aren’t very common because revisions Census Bureau’s “tracts” prevent direct comparison. Learn how we produced a nationwide made showing tract-level change last decade.
Tennessee’s 2020 PUMA Delineations Finalized
Tennessee’s proposed 2020 Public Use Microdata Area (PUMAs) boundaries were finalized and submitted to the U.S. Census Bureau in late January 2022. Feedback from Tennessee data users drove delineation of the state’s new statistical boundaries.
New Application Highlights Shifting Center of Tennessee, U.S. Populations
A new TNSDC web application shows that Tennessee’s 2020 center of population remains located near Murfreesboro in the middle part of the state following the release of updated calculations from the U.S. Census Bureau. Locations for all US states and counties from 2000 to 2020 are featured in the just released site.
More Details on Canceled 1-Year American Community Survey Release
Additional details on the experimental data product that will replace the 2020 American Community Survey 1-Year data are now available. A limited number of tables for the U.S. and states will be made available by November 30, 2021.
Population Projections for Incorporated Areas in Tennessee
Population projections for Tennessee’s 345 cities and towns aren’t readily available. So we leveraged the Boyd Center’s county-level population projections and Census Bureau estimates to create a simple approach that can be replicated by communities across the state.
TNSDC Submits Comments on OMB Metropolitan Statistical Area Proposal
A proposal to increase the urban area population for Metropolitan Statistical Areas from 50,000 people to 100,000 people was published in January. TNSDC was among hundreds of organizations submitting a response to the Federal Register notice.
1990-2010 Housing Unit and Vacancy Rate Changes in Davidson County
We used historic census data from the IPUMS National Historic GIS to look at some basic housing unit trends in Nashville/Davidson County including housing unit growth between 1990 and 2020 and changes to housing vacancy rates over the same period.
TDOH COVID-19 Compatible Population Estimates by Age Available
Population data is used to calculate infection rates and in cooperation with the Census Bureau, we’ve compiled new age data for all 95 Tennessee counties to help improve the accuracy of age-based COVID-19 rates.
Microdata Geography Update Planned for 2021
Public Use Microdata Areas, or PUMAs, are statistical with no fewer than 100,000 people for which anonymized, individual Census responses are released. In late 2021, the State Data Center will lead an update to Tennessee’s PUMA boundaries.