How many homeowners associations in us?

http://www.census.gov/hhes/www/housing/hvs/qtr208/q208tab4.html 75 million

try to estimate and know the square miles

Depends on the association's covenants (CC&Rs). A copy of the CC&Rs is available from your county recorder's office.

There a quite a few. Here are some. AQHA, quarter horse, APHA, paints, ApHA, appaloosa, The Tennisee Walker, Saddlebreds, Spotted Saddlebreds, Morgans, and the list goes on. These organizations...

everyone since we pay taxes