A proportional symbols map depicting the cost of living index across US States.

Data derived from: https://inkplant.com/code/state-latitudes-longitudes

References:

https://stackoverflow.com/questions/74707350/d3-js-proportional-symbol-map-setting-radius-of-a-circle-based-on-data-value https://observablehq.com/@haileyq0110/proportional-symbol-mapping