| Index | Gardner | Massachusetts | National |
| Income per capita | $42,169 | $57,616 | $44,883 |
| Median household income | $78,258 | $106,188 | $81,333 |
| Median income owner occupied | $113,347 | $143,346 | $106,172 |
| Median income renter occupied | $53,494 | $57,502 | $52,080 |
| Median earnings male | $59,018 | $67,299 | $54,343 |
| Median earnings female | $45,720 | $46,306 | $38,439 |
| Unemployment rate | 3.1% | 4.8% | 4.9% |
| Poverty level | 13.7% | 11.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.2% | 11.2% |
| Manufacturing sector | 22.3% | 22.3% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 17.5% | 17.5% |
| Public administration | 4.1% | 4.1% |
| Transportation, warehousing & utilities | 4.9% | 4.9% |
| Education, health & social services | 14.3% | 14.3% |
| Other | 23.0% | 23.0% |
| City | Population | Household Income | National Avg. |
| Lunenburg, MA | 1,634 | $169,468 | 108.4% |
| South Lancaster, MA | 1,628 | $166,152 | 104.3% |
| South Ashburnham, MA | 904 | $122,992 | 51.2% |
| Rutland, MA | 1,789 | $108,980 | 34.0% |
| Townsend, MA | 1,311 | $101,166 | 24.4% |
| Gardner, MA | 21,410 | $78,258 | 3.8% |
| City | Population | Household Income | National Avg. |
| Green Valley, AZ | 21,416 | $75,261 | 7.5% |
| Stephenville, TX | 21,421 | $73,533 | 9.6% |
| Hays, KS | 21,398 | $76,733 | 5.7% |
| Thorold, ON | 21,396 | n/a | |
| Saint-Lazare, QC | 21,394 | n/a | |
| Gardner, MA | 21,410 | $78,258 | 3.8% |