| Index | Friendly | Maryland | National |
| Income per capita | $45,913 | $37,756 | $29,829 |
| Median household income | $128,083 | $76,067 | $55,322 |
| Median income owner occupied | $131,450 | $95,994 | $70,586 |
| Median income renter occupied | $0 | $47,333 | $35,192 |
| Median earnings male | $51,909 | $46,495 | $36,919 |
| Median earnings female | $48,271 | $35,612 | $26,250 |
| Unemployment rate | 4.3% | 4.5% | 4.7% |
| Poverty level | 6.3% | 9.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 19.7% | 19.7% |
| Manufacturing sector | 1.0% | 1.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 6.9% | 6.9% |
| Public administration | 17.7% | 17.7% |
| Transportation, warehousing & utilities | 9.8% | 9.8% |
| Education, health & social services | 14.2% | 14.2% |
| Other | 29.6% | 29.6% |
| City | Population | Household Income | National Avg. |
| Martin's Additions, MD | 1,089 | $250,001 | 351.9% |
| Chevy Chase Section Three, MD | 900 | $250,001 | 351.9% |
| Somerset, MD | 952 | $250,001 | 351.9% |
| Chevy Chase Village, MD | 1,871 | $250,001 | 351.9% |
| Brookmont, MD | 3,925 | $249,432 | 350.9% |
| Friendly, MD | 9,984 | $128,083 | 131.5% |
| City | Population | Household Income | National Avg. |
| Temiskaming Shores, ON | 9,984 | n/a | |
| Alpena, MI | 9,987 | $38,260 | 30.8% |
| Linganore, MD | 9,988 | $146,500 | 164.8% |
| Kinnelon, NJ | 9,988 | $149,375 | 170.0% |
| Madera Acres, CA | 9,990 | $88,074 | 59.2% |
| Friendly, MD | 9,984 | $128,083 | 131.5% |
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