| Index | Groton | Connecticut | National |
| Median home price | $223,300 | $269,300 | $184,700 |
| Median rent asked | $971 | $1,094 | $949 |
| Avg. people per household | 2.0 | 2.5 | 2.6 |
| Owner occupied households | 38.1% | 66.5% | 63.6% |
| Renter occupied households | 61.9% | 33.5% | 36.4% |
| Population | Home Price | National Avg. | |
| Fishers Island, NY | 61 | $0 | 100% |
| Poquonock Bridge, CT | 1,640 | $160,200 | 13% |
| Oxoboxo River, CT | 2,772 | $163,600 | 11% |
| New London, CT | 27,001 | $186,900 | 1% |
| Waterford, CT | 2,922 | $201,700 | 9% |
| Groton, CT | 8,999 | $223,300 | 21% |
| Population | Home Price | National Avg. | |
| Fairview, TX | 8,998 | $408,200 | 121% |
| Sheffield Lake, OH | 9,001 | $105,700 | 43% |
| Lock Haven, PA | 8,997 | $120,200 | 35% |
| Potsdam, NY | 9,003 | $117,300 | 36% |
| Roxborough Park, CO | 9,004 | $442,000 | 139% |
| Groton, CT | 8,999 | $223,300 | 21% |
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