County,rows,Total market value (USD) Harris,454,1536731052 Collin,426,793457818 Maricopa,368,1751911900 Bexar,281,971015942 Tarrant,218,716880251 Duval,136,824213239 Hillsborough,111,517436746 Gwinnett,108,874777500 Dallas,87,342627390 Orange,49,417287690 Travis,29,159713700 Mecklenburg,28,177924300 Clark,28,56102737 TOTAL,2323,9140080265