| Index | Princeton | Iowa | National |
| Income per capita | $52,938 | $42,672 | $44,883 |
| Median household income | $117,033 | $81,387 | $81,333 |
| Median income owner occupied | $117,877 | $98,724 | $106,172 |
| Median income renter occupied | $0 | $45,890 | $52,080 |
| Median earnings male | $64,823 | $54,047 | $54,343 |
| Median earnings female | $60,382 | $36,462 | $38,439 |
| Unemployment rate | 5.8% | 3.2% | 4.9% |
| Poverty level | 6.7% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 18.8% | 18.8% |
| Manufacturing sector | 26.8% | 26.8% |
| Financial & insurance services | 2.6% | 2.6% |
| Wholesale & retail services | 14.0% | 14.0% |
| Public administration | 3.7% | 3.7% |
| Transportation, warehousing & utilities | 6.6% | 6.6% |
| Education, health & social services | 5.1% | 5.1% |
| Other | 22.4% | 22.4% |
| City | Population | Household Income | National Avg. |
| Long Grove, IA | 928 | $161,155 | 98.1% |
| Erie, IL | 1,927 | $130,267 | 60.2% |
| Bettendorf, IA | 37,477 | $129,809 | 59.6% |
| Rapids City, IL | 1,031 | $123,536 | 51.9% |
| Park View, IA | 3,526 | $123,177 | 51.4% |
| Princeton, IA | 976 | $117,033 | 43.9% |
| City | Population | Household Income | National Avg. |
| Kittredge, CO | 976 | $187,551 | 130.6% |
| Kingston, OH | 976 | $53,429 | 34.3% |
| Alcester, SD | 976 | $75,253 | 7.5% |
| Dawson, TX | 976 | $66,741 | 17.9% |
| Deltaville, VA | 976 | $85,323 | 4.9% |
| Princeton, IA | 976 | $117,033 | 43.9% |