Noank, CT ZIP Codes
2 ZIP codes serve Noank, Connecticut: 06340 and 06355. Together they are home to 42,036 residents in 18,243 households. That is more than the 1,859 people counted inside Noank Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $81,792 in 06340 to $137,425 in 06355.
Noank Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,859 |
| Households | 795 |
| Median household income | $143,583 |
| Median home value | $531,900 |
| Median age | 51 |
| Median rent | $978 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 42,036 |
| Households (sum of ZIP codes) | 18,243 |
| Median household income, range across ZIP codes | $81,792 (06340) to $137,425 (06355) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $98,150 |
| Homeowners | 55.2% |
| Households with kids under 18 | 24.8% |
| Moved in the past year | 19.8% |
| Carrier routes in EDDM2GO's route library | 34 routes, 19,764 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Noank: 06355 ($137,425)
- Most residents: 06340 (29,863 people)
- Highest homeownership: 06355 (81.0% own their home)
- Most households with kids: 06340 (26.5% of households)
- Most new movers: 06340 (22.9% moved in last year)
- Youngest median age: 06340 (33.7 years)
- Highest median home value: 06355 ($453,400)
Every ZIP code in Noank
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 06340 | Groton | 29,863 | 12,879 | $81,792 | $294,700 | 44.5% | 26.5% | 22.9% | 21 | 13,893 | 6% of its land |
| 06355 | Mystic | 12,173 | 5,364 | $137,425 | $453,400 | 81.0% | 20.7% | 12.2% | 13 | 7,200 | 1% of its land |
A ZIP code is listed for Noank when at least 10% of its land lies inside the Noank Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Noank. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Noank.
Counties
- New London County — 33 ZIP codes
Nearby cities sharing these ZIP codes
- Groton — 1 ZIP code
- Conning Towers-Nautilus Park — 1 ZIP code
Price a mailing to Noank ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Noank, CT?
- 06340 and 06355. A ZIP code is listed for Noank when at least 10% of its land lies inside the Noank Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Noank.
- What is the population of Noank, CT?
- The Census Bureau counts 1,859 residents inside Noank Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Noank hold 42,036 residents in all.
- What is the median household income in Noank, CT?
- $143,583 inside Noank Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $81,792 to $137,425.
- Which Noank ZIP code has the highest median household income?
- 06355, at $137,425, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Noank, CT?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 34 carrier routes reaching 19,764 residential and 1,235 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.