| Index | Leland Grove | Illinois | National |
| Income per capita | $77,309 | $31,502 | $29,829 |
| Median household income | $111,458 | $59,196 | $55,322 |
| Median income owner occupied | $116,667 | $75,354 | $70,586 |
| Median income renter occupied | $0 | $34,488 | $35,192 |
| Median earnings male | $71,429 | $40,474 | $36,919 |
| Median earnings female | $39,821 | $27,197 | $26,250 |
| Unemployment rate | 2.0% | 5.3% | 4.7% |
| Poverty level | 4.9% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 12.8% | 12.8% |
| Manufacturing sector | 5.2% | 5.2% |
| Financial & insurance services | 3.8% | 3.8% |
| Wholesale & retail services | 9.3% | 9.3% |
| Public administration | 16.2% | 16.2% |
| Transportation, warehousing & utilities | 5.5% | 5.5% |
| Education, health & social services | 17.9% | 17.9% |
| Other | 28.3% | 28.3% |
| City | Population | Household Income | National Avg. |
| Sherman, IL | 4,470 | $123,232 | 122.8% |
| Spaulding, IL | 956 | $106,250 | 92.1% |
| Lake Petersburg, IL | 547 | $96,750 | 74.9% |
| Chatham, IL | 13,231 | $96,655 | 74.7% |
| Rochester, IL | 3,778 | $95,463 | 72.6% |
| Leland Grove, IL | 1,237 | $111,458 | 101.5% |
| City | Population | Household Income | National Avg. |
| Oak Grove Heights, AR | 1,237 | $70,625 | 27.7% |
| Grandview, OK | 1,237 | $60,304 | 9.0% |
| St.-Charles, ON | 1,237 | n/a | |
| March ARB, CA | 1,236 | $76,065 | 37.5% |
| Boyce, LA | 1,236 | $24,853 | 55.1% |
| Leland Grove, IL | 1,237 | $111,458 | 101.5% |