📍 View location on OpenStreetMap (41.356430, -72.044770)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 06340 |
| Primary City | Groton |
| State / Province | CT |
| County | Southeastern Connecticut |
| Total Population | 29,863 |
| Population Density | 511.5 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 06340 | Southeastern Connecticut County records | CT records |
|---|---|---|---|
| Population estimate | 29,863 | 281,371 (sum) | 3,624,508 (sum) |
| Population Density | 511.5 /sq mi | -- | -- |
| County population rank | #2 of 32 | -- | -- |
| State population rank | #31 of 285 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 06320 | New London | 3.0 mi | 27,703 |
| ZIP 06355 | Mystic | 3.8 mi | 12,173 |
| ZIP 06335 | Gales Ferry | 5.1 mi | 6,307 |
| ZIP 06375 | Quaker Hill | 5.4 mi | 3,670 |
| ZIP 06385 | Waterford | 5.8 mi | 15,966 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →