| Index | Sparta | Illinois | National |
| Income per capita | $49,760 | $47,397 | $44,883 |
| Median household income | $77,538 | $88,967 | $81,333 |
| Median income owner occupied | $110,179 | $111,557 | $106,172 |
| Median income renter occupied | $36,521 | $52,117 | $52,080 |
| Median earnings male | $64,399 | $60,185 | $54,343 |
| Median earnings female | $34,430 | $40,368 | $38,439 |
| Unemployment rate | 3.2% | 6.6% | 4.9% |
| Poverty level | 8.4% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 1.4% | 1.4% |
| Manufacturing sector | 19.3% | 19.3% |
| Financial & insurance services | 3.8% | 3.8% |
| Wholesale & retail services | 17.0% | 17.0% |
| Public administration | 6.3% | 6.3% |
| Transportation, warehousing & utilities | 14.6% | 14.6% |
| Education, health & social services | 4.4% | 4.4% |
| Other | 33.2% | 33.2% |
| City | Population | Household Income | National Avg. |
| Oakdale, IL | 303 | $121,368 | 49.2% |
| Ruma, IL | 456 | $117,656 | 44.7% |
| Hecker, IL | 585 | $103,704 | 27.5% |
| New Athens, IL | 1,961 | $101,889 | 25.3% |
| Campbell Hill, IL | 300 | $85,390 | 5.0% |
| Sparta, IL | 4,447 | $77,538 | 4.7% |
| City | Population | Household Income | National Avg. |
| Argo, AL | 4,447 | $111,815 | 37.5% |
| East Troy, WI | 4,447 | $98,357 | 20.9% |
| King City, OR | 4,445 | $87,305 | 7.3% |
| Caldwell, TX | 4,445 | $73,180 | 10.0% |
| Sheffield, OH | 4,444 | $122,564 | 50.7% |
| Sparta, IL | 4,447 | $77,538 | 4.7% |