There's actually a staggering amount of thought and detail in the logistics of Middle Earth, but you have to dig into a wide variety of sources to access it. These details informed his story but didn't make it into the plot of LOTR, for obvious reasons. "In Deep Geek" is one youtube channel I enjoy for learning about things like Aragorn's tax policy or the economics of the Shire, if you have a an interest but lack the time/obsession to piece it together yourself.