Comparison to Surrounding Areas
The median household income ($81,792) for 06340 is less than the median household income for 06335 ($118,116), 06339 ($106,403), 06355 ($137,425), 06375 ($111,833), Southeastern Connecticut Planning Region ($86,586), Groton town ($88,284), and Ledyard town ($107,975). But it's more than 06320 ($59,170).
| 06340 | $81,792 |
| Groton town | $88,284 |
| Ledyard town | $107,975 |
| Southeastern Connecticut Planning Region | $86,586 |
Get Median Household Income for all Zip Codes in Connecticut.
The average household income ($104,708) for 06340 is less than the average household income for 06335 ($127,666), 06339 ($121,665), 06355 ($164,866), 06375 ($142,300), Southeastern Connecticut Planning Region ($111,769), Groton town ($115,809), and Ledyard town ($124,122). But it's more than 06320 ($76,152).
| 06340 | $104,708 |
| Groton town | $115,809 |
| Ledyard town | $124,122 |
| Southeastern Connecticut Planning Region | $111,769 |
Get Average Household Income for all Zip Codes in Connecticut.
The per-capita income for 06340 is $47,211. The per capita income ($47,211) for 06340 is less than the per capita income for 06355 ($73,122), 06375 ($53,782), and Groton town ($51,281). But it's more than 06320 ($33,704), 06335 ($45,578), 06339 ($46,556), Southeastern Connecticut Planning Region ($47,133), and Ledyard town ($46,160).
| 06340 | $47,211 |
| Groton town | $51,281 |
| Ledyard town | $46,160 |
| Southeastern Connecticut Planning Region | $47,133 |
Get Per-Capita Income for all Zip Codes in Connecticut.
11.6% of households make over $200,000 a year. The percent high income households (11.6%) for 06340 is less than the percent high income households for 06335 (18.7%), 06339 (16.8%), 06355 (24.3%), 06375 (11.9%), Southeastern Connecticut Planning Region (12.8%), Groton town (13.8%), and Ledyard town (17.6%). But it's more than 06320 (5.0%).
| 06340 | 11.6% |
| Groton town | 13.8% |
| Ledyard town | 17.6% |
| Southeastern Connecticut Planning Region | 12.8% |
Get High Income Households for all Zip Codes in Connecticut.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 06340 | $62,316 | $92,327 | $86,977 | $69,301 |
| Groton town | $65,948 | $98,519 | $96,342 | $73,733 |
| Ledyard town | $142,684 | $110,093 | $129,012 | $77,315 |
| Southeastern Connecticut Planning Region | $52,436 | $94,152 | $104,029 | $69,955 |
Get Median Household Income by Age of Householder for all Zip Codes in Connecticut.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 06340 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 06340 | +/-$3,662 | +/-$7,635 | +/-$3,120 | +/-2.7% | +/-$19,974 | +/-$10,939 | +/-$10,589 | +/-$11,463 |
| Groton town | +/-$5,289 | +/-$6,985 | +/-$2,940 | +/-2.4% | +/-$18,801 | +/-$9,282 | +/-$11,911 | +/-$6,789 |
| Ledyard town | +/-$9,893 | +/-$11,857 | +/-$4,100 | +/-4.5% | +/-$107,290 | +/-$8,569 | +/-$14,224 | +/-$17,637 |
| Southeastern Connecticut Planning Region | +/-$1,937 | +/-$2,049 | +/-$810 | +/-0.8% | +/-$12,835 | +/-$4,303 | +/-$4,018 | +/-$2,701 |