ZIP Code 06820 - Darien Connecticut

06820 Overview

ZIP Code 06820 is located in Darien Connecticut. Portions of 06820 are also in Noroton and Tokeneke and Darien Downtown and Noroton Heights and Norwalk and Norwalk (town). 06820 is entirely within Fairfield County. Regionally, 06820 is located in Metro New York City.

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ZIP Code 06820 Quick Stats

ZIP Code NameDarien
Primary CountyFairfield County
ZIP Code TypeStandard
Population (2022)21,571
Area Code(s)203 / 475
Current Time
EST

ZIP Code 06820 Map

06820 Demographics

06820 can be classified socioeconomically as Upper Class class compared to other ZIP Codes in Connecticut based on Median Household Income and Average Adjusted Gross Income. 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 2.5%.

Population21,571
Population Growth Rate0.00%
Population Density1,668 People per Square Mile
Total Households6,627
Percentage High Income Households50.1%
Median Household Income (2021)$250,001
Average Adjusted Gross Income (2021)$1,784,890
Current Unemployment Rate (November 2024)2.5%
Majority Race/EthnictyWhite - 88.05%
Public School Majority Race/EthnictyWhite - 83.69%

06820 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White18,78588.05%
Black1780.83%
Hispanic1,0514.93%
Asian1,3136.15%
Native American80.04%
Hawaiian/Pac. Islander00%

06820 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White3,89486.65%
Black481.07%
Hispanic2936.52%
Asian2565.7%
Native American30.07%
Hawaiian/Pac. Islander00%

06820 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1401.14%
Bachelor Degree5,17141.92%
High School Diploma9888.01%
No High School Diploma760.62%
GED or Alternate560.45%
1 or More Years of College7035.7%
Associates Degree4803.89%
Masters Degree3,49428.33%
Professional Degree9817.95%
Doctorate Degree2451.99%

06820 Geography

Coordinates41.08018875,-73.48240662
Adjacent ZIP Codes
Cities/Towns in 06820
RegionMetro New York City
Metropolitan/Micropolitan Stat AreaBridgeport-Stamford-Norwalk, CT
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area13 Square Miles

06820 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion59c - Southern New England Coastal Plains and Hills

06820 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)20223039485763625442342541
Avg Max Temp (°F)38404859707984827564534261
Avg Precip (In.)4.163.054.344.324.483.943.913.964.443.994.163.9548.7

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