Darien Downtown, CT ZIP Codes
One ZIP code serves Darien Downtown, Connecticut: 06820. Together they are home to 21,936 residents in 7,234 households. That is more than the 1,242 people counted inside Darien Downtown Census-designated place, because these ZIP codes reach past its boundary.
Darien Downtown Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,242 |
| Households | 620 |
| Median household income | $166,085 |
| Median home value | $915,400 |
| Median age | 47.2 |
| Median rent | $2,728 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,936 |
| Households (sum of ZIP codes) | 7,234 |
| Median household income, range across ZIP codes | $250,001 (06820) to $250,000+ (06820) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $250,001 |
| Homeowners | 82.4% |
| Households with kids under 18 | 44.6% |
| Moved in the past year | 11.3% |
| Carrier routes in EDDM2GO's route library | 19 routes, 7,593 homes (1 of 1 ZIP codes) |
Every ZIP code in Darien Downtown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 06820 | Darien | 21,936 | 7,234 | $250,000+ | $1,822,400 | 82.4% | 44.6% | 11.3% | 19 | 8,217 | 6% of its land |
A ZIP code is listed for Darien Downtown when at least 10% of its land lies inside the Darien Downtown Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Darien Downtown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Darien Downtown.
Counties
- Fairfield County — 46 ZIP codes
Nearby cities sharing these ZIP codes
- Noroton — 1 ZIP code
Price a mailing to Darien Downtown ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Darien Downtown, CT?
- 06820. A ZIP code is listed for Darien Downtown when at least 10% of its land lies inside the Darien Downtown Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Darien Downtown.
- What is the population of Darien Downtown, CT?
- The Census Bureau counts 1,242 residents inside Darien Downtown Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Darien Downtown hold 21,936 residents in all.
- What is the median household income in Darien Downtown, CT?
- $166,085 inside Darien Downtown Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $250,001 to $250,000+.
- How many carrier routes and mailboxes are in Darien Downtown, CT?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 19 carrier routes reaching 7,593 residential and 614 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.