Wages:

  Houston wages [1].
  SF wages [2].

Rents:

  Houston rents [3].
  SF rents [4].
  San Jose rents [5].

Land Area:

  Houston wiki [6].
  Bay Area wiki [7].

> What is "Land area" defined as

The total geographic area as defined by the city or region's CSA.

> what does it include relating to uninhabitable/unusable space?

Examines land area without regard for zoning or habitability.

> Is average a mean or median wage?

Average means average. Mean.

> What are the rates of poverty in both regions?

Irrelevant.

> What the hell is an "elite of the world" defined as?

Don't know that's why I requested more information from the OP.

  1. https://www.bls.gov/regions/southwest/news-release/occupationalemploymentandwages_houston.htm
  2. https://www.bls.gov/regions/west/news-release/occupationalemploymentandwages_sanfrancisco.htm
  3. https://www.rentcafe.com/average-rent-market-trends/us/tx/houston/
  4. https://www.rentcafe.com/average-rent-market-trends/us/ca/san-francisco/
  5. https://www.rentcafe.com/average-rent-market-trends/us/ca/santa-clara-county/san-jose/
  6. https://en.wikipedia.org/wiki/Greater_Houston#Metropolitan_Statistical_Area
  7. https://en.wikipedia.org/wiki/San_Francisco_Bay_Area