| Index | Sanford | Maine | National |
| Income per capita | $44,771 | $41,801 | $44,883 |
| Median household income | $87,317 | $75,250 | $81,333 |
| Median income owner occupied | $116,489 | $92,426 | $106,172 |
| Median income renter occupied | $49,507 | $41,013 | $52,080 |
| Median earnings male | $67,390 | $49,176 | $54,343 |
| Median earnings female | $44,740 | $36,497 | $38,439 |
| Unemployment rate | 3.8% | 4.0% | 4.9% |
| Poverty level | 11.2% | 13.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 9.9% | 9.9% |
| Manufacturing sector | 24.1% | 24.1% |
| Financial & insurance services | 5.4% | 5.4% |
| Wholesale & retail services | 19.9% | 19.9% |
| Public administration | 5.6% | 5.6% |
| Transportation, warehousing & utilities | 4.9% | 4.9% |
| Education, health & social services | 7.9% | 7.9% |
| Other | 20.4% | 20.4% |
| City | Population | Household Income | National Avg. |
| Sanbornville, NH | 808 | $158,022 | 94.3% |
| Kennebunk, ME | 5,932 | $121,694 | 49.6% |
| West Kennebunk, ME | 1,190 | $107,910 | 32.7% |
| Somersworth, NH | 12,381 | $100,680 | 23.8% |
| Rochester, NH | 31,988 | $100,044 | 23.0% |
| Sanford, ME | 21,841 | $87,317 | 7.4% |
| City | Population | Household Income | National Avg. |
| Sapulpa, OK | 21,843 | $82,552 | 1.5% |
| Kings, Subd. A, NS | 21,831 | n/a | |
| Holiday, FL | 21,830 | $54,715 | 32.7% |
| Milwaukie, OR | 21,853 | $104,073 | 28.0% |
| Fort St. John, BC | 21,858 | n/a | |
| Sanford, ME | 21,841 | $87,317 | 7.4% |