| ZIP Code | 06820 |
| ZIP Code Name | Darien |
| Primary County | Fairfield County |
| ZIP Code Type | Standard |
| Population (2021) | 21,485 |
| Area Code(s) | 203 / 475 |
| Current Time | EDT |
06820 is a United States ZIP Code located in Darien Connecticut. Portions of 06820 are also in Tokeneke and Norwalk and Noroton and Stamford and Noroton Heights and Norwalk (town) and Stamford (town). 06820 is entirely within Fairfield County. 06820 is within Metro New York City.
06820 can be classified socioeconically as a Upper Class class zipcode in comparison to other zipcodes in Connecticut based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 06820 have at least a Bachelor Degree. The majority race/ethnicity residing in 06820 is White. The majority race/ethnicity attending public schools in 06820 is White. The current unemployment level in 06820 is 3.4%.
| Population | 21,485 |
| Population Growth Rate | -1.18% |
| Population Density | 1,661 People per Square Mile |
| Total Households | 6,627 |
| Percentage High Income Households | 50.1% |
| Median Houshold Income (2021) | $250,001 |
| Average Adjusted Gross Income (2019) | $557,990 |
| Current Unemployment Rate (May 2023) | 3.4% |
| Majority Race/Ethnicty | White - 88.05% |
| Public School Majority Race/Ethnicty | White - 83.69% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 18,785 | 88.05% |
| Black | 178 | 0.83% |
| Hispanic | 1,051 | 4.93% |
| Asian | 1,313 | 6.15% |
| Native American | 8 | 0.04% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 3,894 | 86.65% |
| Black | 48 | 1.07% |
| Hispanic | 293 | 6.52% |
| Asian | 256 | 5.7% |
| Native American | 3 | 0.07% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 140 | 1.13% |
| Bachelor Degree | 5,171 | 41.9% |
| High School Diploma | 988 | 8.01% |
| No High School Diploma | 76 | 0.62% |
| GED or Alternate | 56 | 0.45% |
| 1 or More Years of College | 703 | 5.7% |
| Associates Degree | 480 | 3.89% |
| Masters Degree | 3,494 | 28.31% |
| Professional Degree | 981 | 7.95% |
| Doctorate Degree | 245 | 1.99% |
| Coordinates | 41.08018875,-73.48240662 |
| Adjacent ZIP Codes | |
| Cities/Towns in 06820 | |
| Region | Metro New York City |
| Metropolitan/Micropolitan Stat Area | Bridgeport-Stamford-Norwalk, CT |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 13 Square Miles |
| US Congressional Districts in 06820 | |
| Connecticut State Senate Districts in 06820 | |
| Connecticut State House of Representatives Districts in 06820 |
| Plant Hardiness Zone | Zone 7a: 0F to 5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 59c - Southern New England Coastal Plains and Hills | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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