| Index | Lake Petersburg | Illinois | National |
| Income per capita | $77,966 | $47,397 | $44,883 |
| Median household income | $145,146 | $88,967 | $81,333 |
| Median income owner occupied | $147,280 | $111,557 | $106,172 |
| Median income renter occupied | $0 | $52,117 | $52,080 |
| Median earnings male | $85,947 | $60,185 | $54,343 |
| Median earnings female | $0 | $40,368 | $38,439 |
| Unemployment rate | 2.5% | 6.6% | 4.9% |
| Poverty level | 1.3% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 36.8% | 36.8% |
| Manufacturing sector | 20.5% | 20.5% |
| Financial & insurance services | 8.5% | 8.5% |
| Wholesale & retail services | 8.5% | 8.5% |
| Public administration | 8.5% | 8.5% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 6.8% | 6.8% |
| Other | 0.0% | 0.0% |
| City | Population | Household Income | National Avg. |
| Sherman, IL | 4,619 | $185,165 | 127.7% |
| Leland Grove, IL | 1,274 | $165,047 | 102.9% |
| New Holland, IL | 267 | $115,608 | 42.1% |
| Athens, IL | 2,433 | $114,826 | 41.2% |
| Cantrall, IL | 107 | $108,256 | 33.1% |
| Lake Petersburg, IL | 561 | $145,146 | 78.5% |
| City | Population | Household Income | National Avg. |
| Avon, AL | 561 | $71,962 | 11.5% |
| Rockvale, CO | 561 | $80,156 | 1.4% |
| Zearing, IA | 561 | $82,465 | 1.4% |
| Ava, IL | 561 | $71,561 | 12.0% |
| St. Paul, KS | 561 | $60,306 | 25.9% |
| Lake Petersburg, IL | 561 | $145,146 | 78.5% |