06840 Frequently Asked Questions

A: ZIP Code 06840 is Located in New Canaan Connecticut. Portions of 06840 are also in New Canaan (town), Wilton.

A: ZIP Code 06840 is Located Entirely in Fairfield County Connecticut.

A: The Current Sales Tax in ZIP Code 06840 is 6.3%

A: The Area Codes for 06840 are 203 and 475

A: ZIP Code 06840 is in the Connecticut 4th Congressional District.

A: 06840 is within Connecticut State House of Representatives District 42, Connecticut State House of Representatives District 125 and Connecticut State House of Representatives District 142.

A: 06840 is within Connecticut State Senate District 26 and Connecticut State Senate District 36.

A: The 2022 population of ZIP Code 06840 is 20709. The population growth rate in 06840 is 0.00%. The population density of 06840 is 922.

A: The majority race/ethnicity of people residing in 06840 is White (87.70%). The majority race/ethnicity of students attending public schools in 06840 is White(81.40%).

A: The median household income in 06840 is $215,297 (2021) and the average adjusted income is $1,596,830 (2021).