Splitting the US population evenly, with arbitrary shapes

<img width=“750” height=“520” src=“https://flowingdata.com/wp-content/uploads/2022/08/Splitting-the-US-Population-750x520.png" class=“attachment-medium size-medium wp-post-image” alt=“” srcset=“https://flowingdata.com/wp-content/uploads/2022/08/Splitting-the-US-Population-750x520.png 750w, https://flowingdata.com/wp-content/uploads/2022/08/Splitting-the-US-Population-1090x756.png 1090w, https://flowingdata.com/wp-content/uploads/2022/08/Splitting-the-US-Population-210x146.png 210w, …