| Index | Thayer | Illinois | National |
| Income per capita | $48,356 | $47,397 | $44,883 |
| Median household income | $77,126 | $88,967 | $81,333 |
| Median income owner occupied | $92,709 | $111,557 | $106,172 |
| Median income renter occupied | $29,357 | $52,117 | $52,080 |
| Median earnings male | $52,182 | $60,185 | $54,343 |
| Median earnings female | $42,423 | $40,368 | $38,439 |
| Unemployment rate | 1.2% | 6.6% | 4.9% |
| Poverty level | 5.9% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.8% | 7.8% |
| Manufacturing sector | 19.6% | 19.6% |
| Financial & insurance services | 6.9% | 6.9% |
| Wholesale & retail services | 12.3% | 12.3% |
| Public administration | 4.9% | 4.9% |
| Transportation, warehousing & utilities | 10.3% | 10.3% |
| Education, health & social services | 6.4% | 6.4% |
| Other | 28.4% | 28.4% |
| City | Population | Household Income | National Avg. |
| Chatham, IL | 13,697 | $146,139 | 79.7% |
| Rochester, IL | 3,914 | $139,866 | 72.0% |
| Standard City, IL | 227 | $112,098 | 37.8% |
| Auburn, IL | 4,846 | $107,168 | 31.8% |
| Pawnee, IL | 2,583 | $106,122 | 30.5% |
| Thayer, IL | 635 | $77,126 | 5.2% |
| City | Population | Household Income | National Avg. |
| Wheatley, AR | 635 | $59,477 | 26.9% |
| Pinehurst, GA | 635 | $71,101 | 12.6% |
| Melbourne, KY | 635 | $112,787 | 38.7% |
| Killona, LA | 635 | $32,607 | 59.9% |
| Sherman, MS | 635 | $47,386 | 41.7% |
| Thayer, IL | 635 | $77,126 | 5.2% |