| Index | Belvidere | Illinois | National |
| Income per capita | $36,166 | $47,397 | $44,883 |
| Median household income | $79,890 | $88,967 | $81,333 |
| Median income owner occupied | $91,722 | $111,557 | $106,172 |
| Median income renter occupied | $46,411 | $52,117 | $52,080 |
| Median earnings male | $47,251 | $60,185 | $54,343 |
| Median earnings female | $38,095 | $40,368 | $38,439 |
| Unemployment rate | 5.8% | 6.6% | 4.9% |
| Poverty level | 13.5% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.3% | 13.3% |
| Manufacturing sector | 34.1% | 34.1% |
| Financial & insurance services | 0.9% | 0.9% |
| Wholesale & retail services | 10.1% | 10.1% |
| Public administration | 1.4% | 1.4% |
| Transportation, warehousing & utilities | 6.5% | 6.5% |
| Education, health & social services | 7.3% | 7.3% |
| Other | 25.8% | 25.8% |
| City | Population | Household Income | National Avg. |
| Timberlane, IL | 1,195 | $256,814 | 215.8% |
| Roscoe, IL | 10,953 | $145,325 | 78.7% |
| Rockton, IL | 8,007 | $138,074 | 69.8% |
| Davis Junction, IL | 2,654 | $126,730 | 55.8% |
| Kingston, IL | 1,230 | $126,576 | 55.6% |
| Belvidere, IL | 25,831 | $79,890 | 1.8% |
| City | Population | Household Income | National Avg. |
| Edwardsville, IL | 25,839 | $112,461 | 38.3% |
| Cave Spring, VA | 25,814 | $100,194 | 23.2% |
| Bainbridge Island, WA | 25,850 | $183,894 | 126.1% |
| Ridgewood, NJ | 25,810 | $266,584 | 227.8% |
| Clinton, IA | 25,804 | $68,321 | 16.0% |
| Belvidere, IL | 25,831 | $79,890 | 1.8% |