NYC Census Tract

    tract               race             med_income    
 Length:2242        Length:2242        Min.   : 11406  
 Class :character   Class :character   1st Qu.: 57340  
 Mode  :character   Mode  :character   Median : 78750  
                                       Mean   : 85196  
                                       3rd Qu.:103673  
                                       Max.   :250001  
                                       NA's   :41