ZIP code 06820
Where is ZIP code 06820?
Darien, Connecticut
Fairfield County · Standard ZIP code
ZIP code 06820 belongs to Darien, Connecticut in Fairfield County. 06820 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 203 and 475. About 21,936 people live in the 06820 area, where the median household income is $250,001. The closest ZIP codes are 06906 (Stamford, 2.1 mi west), 06907 (Stamford, 2.2 mi northwest) and 06853 (Norwalk, 2.4 mi east).
| ZIP code | 06820 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Darien |
| State | Connecticut (CT) |
| County | Fairfield County |
| Time zone | Eastern Time · now |
| Area codes | 203, 475 |
| Coordinates | 41.0768, -73.4853 map |
| 3-digit prefix | 068 |
Population and income in 06820
| Population | 21,936 · higher than 79% of Connecticut ZIP codes |
|---|---|
| People per square mile | 1,734 · higher than 72% of Connecticut ZIP codes |
| Median age | 40 years · lower than 71% of Connecticut ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $250,001 · higher than 98% of Connecticut ZIP codes |
| Income per person | $152,454 |
| Below the poverty line | 5.8% |
| Bachelor’s degree or higher | 86% of adults 25+ |
| Median home value | $1,822,400 · higher than 99% of Connecticut ZIP codes |
| Median rent | $3,501 a month |
| Housing units | 7,675 |
| Households | 7,234 (3.02 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 12.65 sq mi (plus 2.18 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 06820. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 06820
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 06906 | Stamford, CT | 2.1 mi W | Standard |
| 06907 | Stamford, CT | 2.2 mi NW | Standard |
| 06853 | Norwalk, CT | 2.4 mi E | Standard |
| 06905 | Stamford, CT | 3.1 mi W | Standard |
| 06904 | Stamford, CT | 3.2 mi SW | PO Box only |
| 06911 | Stamford, CT | 3.2 mi SW | PO Box only |
| 06912 | Stamford, CT | 3.2 mi SW | PO Box only |
| 06913 | Stamford, CT | 3.2 mi SW | Unique |
| 06914 | Stamford, CT | 3.2 mi SW | Unique |
| 06927 | Stamford, CT | 3.2 mi SW | Unique |
| 06854 | Norwalk, CT | 3.2 mi NE | Standard |
| 06901 | Stamford, CT | 3.2 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 06820 or measure the distance to another ZIP code.
How to address mail to 06820
123 MAIN ST
DARIEN CT 06820
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Noroton, Noroton Heights and Tokeneke: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (06820-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 06820?
- 06820 is a Darien, Connecticut ZIP code.
- What county is 06820 in?
- ZIP code 06820 is in Fairfield County, Connecticut.
- What time zone is ZIP code 06820 in?
- 06820 is in the Eastern Time zone (America/New_York).
- What area code is 06820?
- Phone numbers in ZIP code 06820 use area codes 203 and 475.
- What is the population of ZIP code 06820?
- About 21,936 people live in ZIP code 06820, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 06820?
- The median household income in 06820 is $250,001 a year, higher than 98% of Connecticut ZIP codes.
- What ZIP codes are near 06820?
- The nearest ZIP codes to 06820 are 06906 (Stamford, 2.1 miles), 06907 (Stamford, 2.2 miles), 06853 (Norwalk, 2.4 miles) and 06905 (Stamford, 3.1 miles).