| Index | Fairfield | Illinois | National |
| Income per capita | $35,853 | $47,397 | $44,883 |
| Median household income | $64,097 | $88,967 | $81,333 |
| Median income owner occupied | $85,713 | $111,557 | $106,172 |
| Median income renter occupied | $36,538 | $52,117 | $52,080 |
| Median earnings male | $57,000 | $60,185 | $54,343 |
| Median earnings female | $35,240 | $40,368 | $38,439 |
| Unemployment rate | 1.8% | 6.6% | 4.9% |
| Poverty level | 16.5% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 2.9% | 2.9% |
| Manufacturing sector | 17.5% | 17.5% |
| Financial & insurance services | 2.2% | 2.2% |
| Wholesale & retail services | 26.0% | 26.0% |
| Public administration | 3.4% | 3.4% |
| Transportation, warehousing & utilities | 12.8% | 12.8% |
| Education, health & social services | 11.0% | 11.0% |
| Other | 23.6% | 23.6% |
| City | Population | Household Income | National Avg. |
| Springerton, IL | 69 | $90,697 | 11.5% |
| Burnt Prairie, IL | 92 | $88,471 | 8.8% |
| Wayne City, IL | 967 | $76,033 | 6.5% |
| Mill Shoals, IL | 176 | $74,679 | 8.2% |
| Sims, IL | 170 | $69,670 | 14.3% |
| Fairfield, IL | 5,038 | $64,097 | 21.2% |
| City | Population | Household Income | National Avg. |
| Willits, CA | 5,038 | $50,032 | 38.5% |
| Coverdale, NB | 5,038 | n/a | |
| Coarsegold, CA | 5,037 | $107,664 | 32.4% |
| Battlement Mesa, CO | 5,041 | $96,987 | 19.2% |
| Meadows Place, TX | 5,042 | $114,546 | 40.8% |
| Fairfield, IL | 5,038 | $64,097 | 21.2% |