| Index | Fairmount | Illinois | National |
| Income per capita | $39,645 | $47,397 | $44,883 |
| Median household income | $77,360 | $88,967 | $81,333 |
| Median income owner occupied | $96,314 | $111,557 | $106,172 |
| Median income renter occupied | $37,654 | $52,117 | $52,080 |
| Median earnings male | $54,975 | $60,185 | $54,343 |
| Median earnings female | $33,484 | $40,368 | $38,439 |
| Unemployment rate | 4.0% | 6.6% | 4.9% |
| Poverty level | 9.8% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.9% | 13.9% |
| Manufacturing sector | 9.5% | 9.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 11.7% | 11.7% |
| Public administration | 13.9% | 13.9% |
| Transportation, warehousing & utilities | 6.6% | 6.6% |
| Education, health & social services | 9.5% | 9.5% |
| Other | 35.0% | 35.0% |
| City | Population | Household Income | National Avg. |
| St. Joseph, IL | 4,205 | $138,312 | 70.1% |
| Sidney, IL | 1,347 | $115,835 | 42.4% |
| Royal, IL | 381 | $111,941 | 37.6% |
| Muncie, IL | 118 | $100,462 | 23.5% |
| Indianola, IL | 211 | $99,280 | 22.1% |
| Fairmount, IL | 552 | $77,360 | 4.9% |
| City | Population | Household Income | National Avg. |
| Central City, CO | 552 | $79,039 | 2.8% |
| Lynnville, IA | 552 | $62,347 | 23.3% |
| Woodland, MN | 552 | $282,232 | 247.0% |
| Hot Springs, NC | 552 | $50,649 | 37.7% |
| Stantonsburg, NC | 552 | $75,984 | 6.6% |
| Fairmount, IL | 552 | $77,360 | 4.9% |