| Index | Ayer | Massachusetts | National |
| Income per capita | $44,108 | $38,069 | $29,829 |
| Median household income | $69,688 | $70,954 | $55,322 |
| Median income owner occupied | $125,231 | $95,052 | $70,586 |
| Median income renter occupied | $61,035 | $39,116 | $35,192 |
| Median earnings male | $61,125 | $45,946 | $36,919 |
| Median earnings female | $39,767 | $32,028 | $26,250 |
| Unemployment rate | 2.5% | 4.6% | 4.7% |
| Poverty level | 9.4% | 11.4% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 14.4% | 14.4% |
| Manufacturing sector | 12.8% | 12.8% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 24.4% | 24.4% |
| Public administration | 2.9% | 2.9% |
| Transportation, warehousing & utilities | 1.8% | 1.8% |
| Education, health & social services | 7.4% | 7.4% |
| Other | 31.5% | 31.5% |
| City | Population | Household Income | National Avg. |
| West Concord, MA | 7,294 | $132,619 | 139.7% |
| Lunenburg, MA | 1,593 | $112,273 | 102.9% |
| South Lancaster, MA | 1,575 | $110,088 | 99.0% |
| Maynard, MA | 10,900 | $107,891 | 95.0% |
| Littleton Common, MA | 3,370 | $102,667 | 85.6% |
| Ayer, MA | 2,551 | $69,688 | 26.0% |
| City | Population | Household Income | National Avg. |
| Sussex, NB | 2,551 | n/a | |
| Alturas, CA | 2,550 | $40,921 | 26.0% |
| Bayfield, CO | 2,550 | $65,357 | 18.1% |
| Sabetha, KS | 2,550 | $46,964 | 15.1% |
| Nicoma Park, OK | 2,550 | $56,250 | 1.7% |
| Ayer, MA | 2,551 | $69,688 | 26.0% |
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