| Index | Longtown | Missouri | National |
| Income per capita | $55,364 | $39,715 | $44,883 |
| Median household income | $84,422 | $72,613 | $81,333 |
| Median income owner occupied | $109,102 | $90,986 | $106,172 |
| Median income renter occupied | $0 | $45,210 | $52,080 |
| Median earnings male | $47,537 | $52,324 | $54,343 |
| Median earnings female | $23,916 | $36,971 | $38,439 |
| Unemployment rate | 4.0% | 4.4% | 4.9% |
| Poverty level | 3.1% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.5% | 12.5% |
| Manufacturing sector | 20.0% | 20.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 12.5% | 12.5% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 2.5% | 2.5% |
| Education, health & social services | 5.0% | 5.0% |
| Other | 47.5% | 47.5% |
| City | Population | Household Income | National Avg. |
| Sedgewickville, MO | 159 | $116,301 | 43.0% |
| Old Appleton, MO | 73 | $88,957 | 9.4% |
| St. Mary, MO | 266 | $85,568 | 5.2% |
| Altenburg, MO | 357 | $84,991 | 4.5% |
| Perryville, MO | 8,741 | $78,169 | 3.9% |
| Longtown, MO | 130 | $84,422 | 3.8% |
| City | Population | Household Income | National Avg. |
| Venetie, AK | 130 | $76,780 | 5.6% |
| Myers Flat, CA | 130 | $0 | 100.0% |
| Portland, CO | 130 | $114,901 | 41.3% |
| Bendena, KS | 130 | $76,306 | 6.2% |
| Benedict, KS | 130 | $57,165 | 29.7% |
| Longtown, MO | 130 | $84,422 | 3.8% |