| Index | Martinsville | Illinois | National |
| Income per capita | $30,738 | $47,397 | $44,883 |
| Median household income | $71,108 | $88,967 | $81,333 |
| Median income owner occupied | $94,207 | $111,557 | $106,172 |
| Median income renter occupied | $24,914 | $52,117 | $52,080 |
| Median earnings male | $49,603 | $60,185 | $54,343 |
| Median earnings female | $25,134 | $40,368 | $38,439 |
| Unemployment rate | 7.2% | 6.6% | 4.9% |
| Poverty level | 27.5% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.2% | 12.2% |
| Manufacturing sector | 26.3% | 26.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 6.1% | 6.1% |
| Public administration | 4.5% | 4.5% |
| Transportation, warehousing & utilities | 10.9% | 10.9% |
| Education, health & social services | 5.8% | 5.8% |
| Other | 33.3% | 33.3% |
| City | Population | Household Income | National Avg. |
| Westfield, IL | 585 | $80,490 | 1.0% |
| Marshall, IL | 3,744 | $75,096 | 7.7% |
| West Union, IL | 247 | $73,923 | 9.1% |
| Ashmore, IL | 1,054 | $69,558 | 14.5% |
| Casey, IL | 2,752 | $66,937 | 17.7% |
| Martinsville, IL | 1,300 | $71,108 | 12.6% |
| City | Population | Household Income | National Avg. |
| Clay City, IN | 1,300 | $75,217 | 7.5% |
| Audubon Park, KY | 1,300 | $142,325 | 75.0% |
| Union Springs, NY | 1,300 | $120,262 | 47.9% |
| Fort Thompson, SD | 1,300 | $24,485 | 69.9% |
| Fortune, NL | 1,300 | n/a | |
| Martinsville, IL | 1,300 | $71,108 | 12.6% |