Data Science and VisualizationLast updated on Jul 14, 2022Andrew J. Van LeuvenAssistant Professor of Community and Rural DevelopmentPostsShare of the County Population Aged 65 and OlderAndrew J. Van LeuvenLast updated on May 28, 2023 1 min readPopulation Change in Oklahoma's Counties & MunicipalitiesAndrew J. Van LeuvenLast updated on May 19, 2023 2 min readThe U.S. Census Changed How it Defines Urban AreasLast updated on Dec 31, 2022 5 min readGenerating Shapefiles for Principal Cities in U.S. Core-Based Statistical AreasLast updated on Dec 30, 2022 3 min readHistorical U.S. County Population Data: 1900 to 2010Last updated on Dec 30, 2022 1 min readPublicationsA Method for Defining Downtown Business District Boundaries in Pre-Automobile Towns and CitiesAndrew J. Van LeuvenPDF Project Publication
