ZIP Code 06840 - New Canaan Connecticut

ZIP Code 06840 is located in New Canaan Connecticut. Portions of 06840 are also in New Canaan (town) and Wilton. 06840 is entirely within Fairfield County. Regionally, 06840 is located in Metro New York City.

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ZIP Code 06840 Quick Stats

ZIP Code NameNew Canaan
Primary CountyFairfield County
ZIP Code TypeStandard
Population (2022)20,709
Area Code(s)203 / 475
Current Time

ZIP Code 06840 Map

06840 Demographics

06840 can be classified socioeconomically as Upper Middle 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 06840 is White. The majority race/ethnicity attending public schools in 06840 is White. The current unemployment level in 06840 is 3.5%.

Population Growth Rate0.00%
Population Density922 People per Square Mile
Total Households6,770
Percentage High Income Households45.4%
Median Household Income (2021)$215,297
Average Adjusted Gross Income (2021)$1,596,830
Current Unemployment Rate (July 2024)3.5%
Majority Race/EthnictyWhite - 87.70%
Public School Majority Race/EthnictyWhite - 81.40%

06840 Race/Ethnicty Breakdown

Native American60.03%
Hawaiian/Pac. Islander00%

06840 Public School Race/Ethnicty Breakdown

Native American70.17%
Hawaiian/Pac. Islander30.07%

06840 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College2411.98%
Bachelor Degree4,97640.79%
High School Diploma9297.62%
No High School Diploma380.31%
GED or Alternate460.38%
1 or More Years of College8627.07%
Associates Degree5174.24%
Masters Degree3,49328.64%
Professional Degree9007.38%
Doctorate Degree1961.61%

06840 Geography

Adjacent ZIP Codes
Cities/Towns in 06840
RegionMetro New York City
Metropolitan/Micropolitan Stat AreaBridgeport-Stamford-Norwalk, CT
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area22 Square Miles

06840 Politics

US Congressional Districts in 06840
Connecticut State Senate Districts in 06840
Connecticut State House of Representatives Districts in 06840

06840 Weather and Climate Data

Plant Hardiness ZoneZone 6b: -5F to 0F
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

06840 Annual Climate Data

Avg Min Temp (°F)19212938475662615341332540
Avg Max Temp (°F)37404961728085827564524161
Avg Precip (In.)4.373.214.554.494.874.

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