| Index | Sidney | Illinois | National |
| Income per capita | $51,479 | $47,397 | $44,883 |
| Median household income | $115,835 | $88,967 | $81,333 |
| Median income owner occupied | $122,518 | $111,557 | $106,172 |
| Median income renter occupied | $82,159 | $52,117 | $52,080 |
| Median earnings male | $81,070 | $60,185 | $54,343 |
| Median earnings female | $59,594 | $40,368 | $38,439 |
| Unemployment rate | 2.7% | 6.6% | 4.9% |
| Poverty level | 3.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 26.3% | 26.3% |
| Manufacturing sector | 17.4% | 17.4% |
| Financial & insurance services | 0.8% | 0.8% |
| Wholesale & retail services | 12.2% | 12.2% |
| Public administration | 1.3% | 1.3% |
| Transportation, warehousing & utilities | 12.0% | 12.0% |
| Education, health & social services | 12.2% | 12.2% |
| Other | 16.4% | 16.4% |
| City | Population | Household Income | National Avg. |
| St. Joseph, IL | 4,205 | $138,312 | 70.1% |
| Philo, IL | 1,447 | $133,692 | 64.4% |
| Pesotum, IL | 460 | $115,171 | 41.6% |
| Royal, IL | 381 | $111,941 | 37.6% |
| Savoy, IL | 9,110 | $110,129 | 35.4% |
| Sidney, IL | 1,347 | $115,835 | 42.4% |
| City | Population | Household Income | National Avg. |
| Hastings, FL | 1,347 | $65,503 | 19.5% |
| Marcus, IA | 1,347 | $87,841 | 8.0% |
| Duncannon, PA | 1,347 | $73,695 | 9.4% |
| Faxon, PA | 1,347 | $107,040 | 31.6% |
| Paisley, FL | 1,346 | $89,409 | 9.9% |
| Sidney, IL | 1,347 | $115,835 | 42.4% |