| Index | Dennis | Massachusetts | National |
| Income per capita | $91,210 | $57,616 | $44,883 |
| Median household income | $137,373 | $106,188 | $81,333 |
| Median income owner occupied | $141,573 | $143,346 | $106,172 |
| Median income renter occupied | $140,783 | $57,502 | $52,080 |
| Median earnings male | $97,674 | $67,299 | $54,343 |
| Median earnings female | $42,630 | $46,306 | $38,439 |
| Unemployment rate | 3.5% | 4.8% | 4.9% |
| Poverty level | 1.5% | 11.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.6% | 6.6% |
| Manufacturing sector | 6.6% | 6.6% |
| Financial & insurance services | 11.8% | 11.8% |
| Wholesale & retail services | 20.2% | 20.2% |
| Public administration | 12.3% | 12.3% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 9.8% | 9.8% |
| Other | 32.7% | 32.7% |
| City | Population | Household Income | National Avg. |
| Popponesset, MA | 209 | $375,586 | 361.8% |
| Mashpee Neck, MA | 1,455 | $190,444 | 134.2% |
| New Seabury, MA | 607 | $164,884 | 102.7% |
| East Sandwich, MA | 3,760 | $149,613 | 84.0% |
| East Harwich, MA | 4,903 | $132,788 | 63.3% |
| Dennis, MA | 2,003 | $137,373 | 68.9% |
| City | Population | Household Income | National Avg. |
| Mowbray Mountain, TN | 2,003 | $85,083 | 4.6% |
| Wadley, GA | 2,004 | $42,880 | 47.3% |
| Pecatonica, IL | 2,002 | $93,030 | 14.4% |
| Edmonton, KY | 2,002 | $61,182 | 24.8% |
| Shaw, MS | 2,004 | $36,000 | 55.7% |
| Dennis, MA | 2,003 | $137,373 | 68.9% |