county  per capita income  median household income  median family income  population  number of households
0       nantucket              51456                    84979                 89236       10135                  3745
1         norfolk              43685                    83733                106309      666426                255944
2       middlesex              41453                    79691                100267     1491762                577349
3      barnstable              36000                    60525                 76708      216639                 96775
4   massachusetts              35051                    65981                 83371     6512227               2522409
5           essex              34858                    65785                 83047      739505                284940
6        plymouth              34285                    74698                 88110      492934                178996
7           dukes              33228                    69760                 82659       16353                  5568
8         suffolk              32034                    51638                 60342      713089                286437
9       worcester              31470                    65772                 81342      794981                299089
10      berkshire              29387                    48705                 64393      131221                 55793
11      hampshire              29113                    60331                 82999      157630                 58921
12        bristol              28682                    55813                 71416      547305                210536
13       franklin              28313                    52246                 65713       71495                 30362
14  united states              27915                    52762                 64293   306603772             114761359
15        hampden              25363                    48866                 61800      462752                177954

Table as JSON:
{"county":{"0":"nantucket","1":"norfolk","2":"middlesex","3":"barnstable","4":"massachusetts","5":"essex","6":"plymouth","7":"dukes","8":"suffolk","9":"worcester","10":"berkshire","11":"hampshire","12":"bristol","13":"franklin","14":"united states","15":"hampden"},"per capita income":{"0":51456,"1":43685,"2":41453,"3":36000,"4":35051,"5":34858,"6":34285,"7":33228,"8":32034,"9":31470,"10":29387,"11":29113,"12":28682,"13":28313,"14":27915,"15":25363},"median household income":{"0":84979,"1":83733,"2":79691,"3":60525,"4":65981,"5":65785,"6":74698,"7":69760,"8":51638,"9":65772,"10":48705,"11":60331,"12":55813,"13":52246,"14":52762,"15":48866},"median family income":{"0":89236,"1":106309,"2":100267,"3":76708,"4":83371,"5":83047,"6":88110,"7":82659,"8":60342,"9":81342,"10":64393,"11":82999,"12":71416,"13":65713,"14":64293,"15":61800},"population":{"0":10135,"1":666426,"2":1491762,"3":216639,"4":6512227,"5":739505,"6":492934,"7":16353,"8":713089,"9":794981,"10":131221,"11":157630,"12":547305,"13":71495,"14":306603772,"15":462752},"number of households":{"0":3745,"1":255944,"2":577349,"3":96775,"4":2522409,"5":284940,"6":178996,"7":5568,"8":286437,"9":299089,"10":55793,"11":58921,"12":210536,"13":30362,"14":114761359,"15":177954}}