Here is a table outlining the minimum net worth of the nine current justices of the Supreme Court, maximum net worth and mean net worth.
Justice Min. Net Worth Average Net Worth Max. Net Worth
Ruth Bader Ginsburg $10,700,013 $28,090,007 $45,480,000
Stephen G. Breyer $4,590,061 $10,410,031 $16,230,000
John G. Roberts $2,145,037 $3,680,019 $5,215,000
Antonin Scalia $1,250,020 $2,130,010 $3,010,000
Elena Kagan $1,080,020 $1,835,010 $2,590,000
Samuel A. Alito $295,007 $580,004 $865,000
Anthony M. Kennedy $165,003 $290,002 $415,000
Clarence Thomas $150,002 $280,001 $410,000
Sonia Sotomayor -$94,999 -$22,500 $49,999