| Index | Buffalo | Illinois | National | 
| Income per capita | $30,388 | $31,502 | $29,829 | 
| Median household income | $52,750 | $59,196 | $55,322 | 
| Median income owner occupied | $56,250 | $75,354 | $70,586 | 
| Median income renter occupied | $31,071 | $34,488 | $35,192 | 
| Median earnings male | $48,750 | $40,474 | $36,919 | 
| Median earnings female | $25,625 | $27,197 | $26,250 | 
| Unemployment rate | 2.8% | 5.3% | 4.7% | 
| Poverty level | 11.0% | 14.0% | 15.1% | 

				
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				| Labour Type | Male | Female | 
| Construction industry | 17.2% | 17.2% | 
| Manufacturing sector | 2.0% | 2.0% | 
| Financial & insurance services | 0.0% | 0.0% | 
| Wholesale & retail services | 11.1% | 11.1% | 
| Public administration | 14.1% | 14.1% | 
| Transportation, warehousing & utilities | 8.1% | 8.1% | 
| Education, health & social services | 9.1% | 9.1% | 
| Other | 38.4% | 38.4% | 
| City | Population | Household Income | National Avg. | 
| Sherman, IL | 4,470 | $123,232 | 122.8% | 
| Leland Grove, IL | 1,237 | $111,458 | 101.5% | 
| Spaulding, IL | 956 | $106,250 | 92.1% | 
| Rochester, IL | 3,778 | $95,463 | 72.6% | 
| Williamsville, IL | 1,468 | $86,326 | 56.0% | 
| Buffalo, IL | 345 | $52,750 | 4.6% | 
| City | Population | Household Income | National Avg. | 
| Iliff, CO | 345 | $42,308 | 23.5% | 
| Odum, GA | 345 | $47,000 | 15.0% | 
| West Okoboji, IA | 345 | $70,625 | 27.7% | 
| Loda, IL | 345 | $50,714 | 8.3% | 
| Sedalia, KY | 345 | $45,551 | 17.7% | 
| Buffalo, IL | 345 | $52,750 | 4.6% |