| Index | Sparta | Michigan | National |
| Income per capita | $36,871 | $40,534 | $44,883 |
| Median household income | $72,098 | $74,200 | $81,333 |
| Median income owner occupied | $93,717 | $92,757 | $106,172 |
| Median income renter occupied | $31,656 | $42,775 | $52,080 |
| Median earnings male | $51,400 | $52,653 | $54,343 |
| Median earnings female | $40,385 | $34,413 | $38,439 |
| Unemployment rate | 3.8% | 5.5% | 4.9% |
| Poverty level | 10.6% | 16.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 9.2% | 9.2% |
| Manufacturing sector | 39.6% | 39.6% |
| Financial & insurance services | 1.9% | 1.9% |
| Wholesale & retail services | 8.1% | 8.1% |
| Public administration | 3.3% | 3.3% |
| Transportation, warehousing & utilities | 2.2% | 2.2% |
| Education, health & social services | 9.0% | 9.0% |
| Other | 23.6% | 23.6% |
| City | Population | Household Income | National Avg. |
| East Grand Rapids, MI | 12,215 | $207,052 | 154.6% |
| Forest Hills, MI | 29,534 | $195,405 | 140.3% |
| Rockford, MI | 6,464 | $130,483 | 60.4% |
| Walker, MI | 25,711 | $96,059 | 18.1% |
| Northview, MI | 15,528 | $93,106 | 14.5% |
| Sparta, MI | 4,521 | $72,098 | 11.4% |
| City | Population | Household Income | National Avg. |
| Euharlee, GA | 4,521 | $115,695 | 42.2% |
| St. James, MN | 4,520 | $58,512 | 28.1% |
| Beaufort, NC | 4,520 | $53,875 | 33.8% |
| Boalsburg, PA | 4,520 | $162,154 | 99.4% |
| Indian Mountain Lake, PA | 4,520 | $117,967 | 45.0% |
| Sparta, MI | 4,521 | $72,098 | 11.4% |