| Index | Middletown | Delaware | National |
| Income per capita | $62,262 | $46,894 | $44,883 |
| Median household income | $137,722 | $90,340 | $81,333 |
| Median income owner occupied | $140,260 | $109,575 | $106,172 |
| Median income renter occupied | $121,642 | $56,447 | $52,080 |
| Median earnings male | $86,914 | $57,948 | $54,343 |
| Median earnings female | $62,382 | $43,895 | $38,439 |
| Unemployment rate | 4.7% | 4.7% | 4.9% |
| Poverty level | 5.7% | 12.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.3% | 7.3% |
| Manufacturing sector | 10.8% | 10.8% |
| Financial & insurance services | 10.4% | 10.4% |
| Wholesale & retail services | 16.0% | 16.0% |
| Public administration | 5.8% | 5.8% |
| Transportation, warehousing & utilities | 9.1% | 9.1% |
| Education, health & social services | 16.2% | 16.2% |
| Other | 24.4% | 24.4% |
| City | Population | Household Income | National Avg. |
| Townsend, DE | 2,642 | $208,642 | 156.5% |
| St. Georges, DE | 1,084 | $161,824 | 99.0% |
| Charlestown, MD | 1,590 | $144,757 | 78.0% |
| Glasgow, DE | 15,967 | $140,381 | 72.6% |
| Clayton, DE | 3,485 | $131,090 | 61.2% |
| Middletown, DE | 23,057 | $137,722 | 69.3% |
| City | Population | Household Income | National Avg. |
| South Lake Tahoe, CA | 23,049 | $79,111 | 2.7% |
| Mount Pearl, NL | 23,066 | n/a | |
| Cockeysville, MD | 23,095 | $105,402 | 29.6% |
| Munster, IN | 23,103 | $130,714 | 60.7% |
| Waynesboro, VA | 23,002 | $65,291 | 19.7% |
| Middletown, DE | 23,057 | $137,722 | 69.3% |