| Index | Frontenac | Minnesota | National |
| Income per capita | $69,724 | $49,588 | $44,883 |
| Median household income | $139,723 | $92,370 | $81,333 |
| Median income owner occupied | $146,574 | $117,544 | $106,172 |
| Median income renter occupied | $0 | $52,026 | $52,080 |
| Median earnings male | $70,990 | $60,747 | $54,343 |
| Median earnings female | $59,371 | $42,223 | $38,439 |
| Unemployment rate | 1.8% | 3.6% | 4.9% |
| Poverty level | 6.8% | 10.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.3% | 13.3% |
| Manufacturing sector | 44.6% | 44.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 4.8% | 4.8% |
| Public administration | 4.8% | 4.8% |
| Transportation, warehousing & utilities | 7.2% | 7.2% |
| Education, health & social services | 10.8% | 10.8% |
| Other | 14.5% | 14.5% |
| City | Population | Household Income | National Avg. |
| Diamond Bluff, WI | 238 | $112,980 | 38.9% |
| Goodhue, MN | 1,216 | $108,657 | 33.6% |
| Hager City, WI | 277 | $108,430 | 33.3% |
| Zumbro Falls, MN | 231 | $103,570 | 27.3% |
| Maiden Rock, WI | 86 | $93,641 | 15.1% |
| Frontenac, MN | 197 | $139,723 | 71.8% |
| City | Population | Household Income | National Avg. |
| Ruby, AK | 197 | $47,159 | 42.0% |
| Ardencroft, DE | 197 | $151,311 | 86.0% |
| Bonita, LA | 197 | $0 | 100.0% |
| Melvin, MI | 197 | $75,687 | 6.9% |
| Braxton, MS | 197 | $69,287 | 14.8% |
| Frontenac, MN | 197 | $139,723 | 71.8% |