population heat map - SERP Analysis

https://luminocity3d.org/WorldPopDen/

https://maps.geo.census.gov/ddmv/map.html

https://www.arcgis.com/home/item.html?id=a1926cb43e844c3f82275917d6eab47a

https://www.cec.org/north-american-environmental-atlas/population-density-2020/

https://en.wikipedia.org/wiki/Population_density

https://dataforgood.facebook.com/dfg/tools/high-resolution-population-density-maps

https://ourworldindata.org/grapher/population-density

https://www.worldpop.org/focus_areas/population_mapping/

https://neo.gsfc.nasa.gov/view.php?datasetId=SEDAC_POP

https://www.grasshoppergeography.com/collections/population-maps?srsltid=AfmBOoojkJ3H-ClX5mP0ce2zSLKmG4a4MGxTQo1L2efjy365PztnmeTj