| Index | Princeton | Illinois | National |
| Income per capita | $47,190 | $47,397 | $44,883 |
| Median household income | $76,405 | $88,967 | $81,333 |
| Median income owner occupied | $98,774 | $111,557 | $106,172 |
| Median income renter occupied | $48,398 | $52,117 | $52,080 |
| Median earnings male | $57,527 | $60,185 | $54,343 |
| Median earnings female | $31,784 | $40,368 | $38,439 |
| Unemployment rate | 2.4% | 6.6% | 4.9% |
| Poverty level | 13.7% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 10.0% | 10.0% |
| Manufacturing sector | 27.5% | 27.5% |
| Financial & insurance services | 2.6% | 2.6% |
| Wholesale & retail services | 18.7% | 18.7% |
| Public administration | 1.7% | 1.7% |
| Transportation, warehousing & utilities | 7.1% | 7.1% |
| Education, health & social services | 9.7% | 9.7% |
| Other | 21.7% | 21.7% |
| City | Population | Household Income | National Avg. |
| Arlington, IL | 216 | $108,388 | 33.3% |
| Mark, IL | 553 | $106,544 | 31.0% |
| McNabb, IL | 246 | $100,326 | 23.4% |
| Bureau Junction, IL | 229 | $99,126 | 21.9% |
| Hennepin, IL | 856 | $94,881 | 16.7% |
| Princeton, IL | 7,860 | $76,405 | 6.1% |
| City | Population | Household Income | National Avg. |
| Three Rivers, MI | 7,859 | $62,721 | 22.9% |
| Montrose, VA | 7,859 | $57,813 | 28.9% |
| Rockwood, MB | 7,863 | n/a | |
| Monahans, TX | 7,865 | $105,142 | 29.3% |
| Plumas Lake, CA | 7,854 | $154,391 | 89.8% |
| Princeton, IL | 7,860 | $76,405 | 6.1% |