here is a site where you can query zip codes and income

Here

73170 has an average adjusted gross income for 2004 of 59,761
73034 has an average adjusted gross income for 2004 of 70,344

But these are hardly the highest in the state,

Midtown Tulsa
74114 has an average adjusted gross income for 2004 of 108,299
And the grandaddy of them all that I could find, in South Tulsa
74137 has an average adjusted gross income for 2004 of 118,714