Adjudicators live in this country and can guess that even though minimal requirement is $25500, living on that in New York City, San Francisco or LA will be drastically different to living somewhere in rural Louisiana.
They can check prices / rents by ZIP code you provide in your address. Not sure if anybody actually does it, but I wouldn't be surprised.
Unless you can convince your income is enough to sponsor somebody or have a qualifying joint sponsor, no GC will be issued, sadly.