| Index | Mountainside | New Jersey | National |
| Median home price | $1,139,986 | $555,483 | $326,622 |
| Median rent asked | $5,111 | $1,825 | $1,444 |
| Avg. people per household | 2.5 | 2.7 | 2.6 |
| Owner occupied households | 86.3% | 64.1% | 63.6% |
| Renter occupied households | 13.7% | 35.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Zarephath, NJ | 98 | $0 | 100% |
| Victory Gardens, NJ | 1,654 | $303,205 | 7% |
| East Orange, NJ | 66,655 | $402,475 | 23% |
| Roselle, NJ | 22,321 | $421,559 | 29% |
| Silver Lake CDP (Warren County), NJ | 326 | $461,789 | 41% |
| Mountainside, NJ | 7,074 | $1,139,986 | 249% |
| Population | Home Price | National Avg. | |
| Live Oak, FL | 7,073 | $177,539 | 46% |
| Idabel, OK | 7,077 | $130,549 | 60% |
| Pea Ridge, WV | 7,080 | $272,199 | 17% |
| Franklin, LA | 7,085 | $140,636 | 57% |
| East Foothills, CA | 7,085 | $1,754,104 | 437% |
| Mountainside, NJ | 7,074 | $1,139,986 | 249% |