ZIP Code 06820 Demographics & Data

About Darien, CT (ZIP Code 06820)

Connecticut

Comprehensive Data and Demographics About 06820

The 06820 ZIP Code is primarily associated with Darien, CT in Fairfield County in the United States. The current population estimate is 21,742. An estimated 15.0% of residents in the 06820 ZIP Code are of age 62 years and older. Overall, the region has a median age of 40.1 years. An estimated 97.5% in this Connecticut region have a high school degree or higher, while the per capita income comes in at approximately $116,564. Approximately 3% of the population lives below the poverty line, while the median househould income sits at $232,523.

Population in 06820

The most recent population estimate for ZIP Code 06820 is 21,742.

Darien, CT

The 06820 ZIP Code is associated with Darien, CT in Fairfield County.

Area Codes associated with 06820

Telephone area codes associated with ZIP Code 06820 include 203, and 475.

Sunrise / Sunset in 06820

Sunrise: 7:10 am
Sunset: 6:06 pm
Sunrise in 06820 7:10 am
Sunrise in 06820 6:06 pm

Weather forecast for 06820

Overnight's forecast for 06820: Clear, with a low around 45. North wind around 3 mph.

Current air quality in 06820

Air quality: Good Air quality scale in 06820 Good

Internet in 06820

Approximately 93.4% of households in ZIP Code 06820 have broadband Internet service, while about 96.1% have a computer.

Gender in 06820

In ZIP Code 06820, the gender split is approximately 49.4% male and an estimated 50.6% female.

Health Insurance in 06820

Approximately 3.9% of adults aged 18 to 64 in ZIP Code 06820 (Darien, CT) are currently uninsured and do not have health insurance.

Income in ZIP Code 06820

The median household income in ZIP Code 06820 is $232,523, while the region's mean household income is $365,528. Breaking income down further, per capita income in the region is $116,564. The per capita income in ZIP Code 06820 of $116,564 is approximately 161.97% more than the per capita income in Connecticut overall of $44,496. An estimated 2.5% of the population is living below the poverty line in this region. This rate is approximately 73.68% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 55.1% of the population in 06820 earn $200,000 or more per year, while an estimated 12.4% earn $100,000 to $149,999 per year, and 1.6% of 06820 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 06820. This visualizes the percentage of households in this region that fall within different income ranges, e.g. $100,000 to $149,999 per year.

Total Income in 06820

Household Income Percent
Less than $10,000 per year 2.1%
$10,000 to $14,999 per year 1.6%
$15,000 to $24,999 per year 2.1%
$25,000 to $34,999 per year 2.6%
$35,000 to $49,999 per year 3.4%
$50,000 to $74,999 per year 6.3%
$75,000 to $99,999 per year 4.9%
$100,000 to $149,999 per year 12.4%
$150,000 to $199,999 per year 9.6%
$200,000 or more per year 55.1%

Education levels in ZIP Code 06820

In ZIP Code 06820, 97.5% of the population graduated high school, while 82.9% have a bachelor's degree or higher. In this region, 1.0% achieved an education level less than 9th grade, while 35.2% hold a graduate or professional degree. Approximately 5.6% in this Fairfield County region reached the highest level of high school graduate (including equivalency).

Education Attained in 06820

Education Level Percent
Less than 9th grade 1.0%
9th to 12th grade, no diploma 1.5%
High school graduate (includes equivalency) 5.6%
Some college, no degree 6.3%
Associate's degree 2.8%
Bachelor's degree 47.6%
Graduate or professional degree 35.2%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 06820. This visualizes the percentage of the population that has attained a specific level of education, e.g. a graduate or professional degree.

Race & Ethnicity in ZIP Code 06820

Looking at race in the population that makes up ZIP Code 06820, 97.9% is one race, while 2.1% are two or more races. Approximately 4.1% of 06820 residents are hispanic or Latino (of any race). The most common race in 06820 (race alone or in combination with one or more other races), is White (92.6%), followed by Asian (7.1%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 06820. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 06820

Industry Percent
White 92.6%
Black or African American 1.2%
American Indian and Alaska Native 0.5%
Asian 7.1%
Native Hawaiian and Other Pacific Islander 0.1%
Some other race 0.7%
* Race alone or in combination with one or more other races

Language Breakdown in ZIP Code 06820

In ZIP Code 06820, 85.6% of the population lists "English only" as the language spoken in home, while 3.6% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 8.0% of homes, and other Indo-European languages are spoken in 2.5% of homes. Lastly, 0.3% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Fairfield County region.

Language Spoken in 06820

Language Spoken Percent
English only 85.6%
Spanish 3.6%
Other Indo-European languages 8.0%
Asian and Pacific Islander languages 2.5%
Other languages 0.3%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 06820. This visualizes the percentage of homes in the area that list a specific language as being spoken in the home, e.g. Spanish.

Real Estate & Housing in ZIP Code 06820

The median home value in ZIP Code 06820 in July 2024 comes in at $2,098,375. The July 2024 value is approximately 5% higher than the $2,005,493 median value in February 2024, and 9% higher than the $1,925,504 median value in August 2023. Regarding the age of homes in ZIP Code 06820, an estimated 27.3% of homes were built in 1939 or earlier. Additionally, 20.4% of homes in the region were built between 1950 and 1959, while an estimated 2.1% of homes were built in 2014 or later in this Fairfield County region.

Home Values in 06820

Month Home value
Jul 2024 $2,098,375
Jun 2024 $2,091,268
May 2024 $2,077,166
Apr 2024 $2,052,598
Mar 2024 $2,026,018
Feb 2024 $2,005,493
Jan 2024 $1,999,915
Dec 2023 $1,996,437
Nov 2023 $1,990,319
Oct 2023 $1,972,017
Sep 2023 $1,950,819
Aug 2023 $1,925,504

Median Home Values Over Time

Line chart displaying median home values in ZIP Code 06820. This visualizes a recent 12-month span of home values in the region.

Age of Housing in 06820

Year Home Built Percent
Built in 2014 or later 2.1%
Built between 2010 and 2013 2.9%
Built between 2000 and 2009 6.8%
Built between 1990 and 1999 7.0%
Built between 1980 and 1989 5.8%
Built between 1970 and 1979 7.0%
Built between 1960 and 1969 10.1%
Built between 1950 and 1959 20.4%
Built between 1940 and 1949 10.5%
Built in 1939 or earlier 27.3%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 06820. This visualizes the percentage of homes in the region that were built in a certain time frame, e.g. built between 1950 and 1959.

Age Breakdown in ZIP Code 06820

Residents of ZIP Code 06820 are older than average. The median age of 40.1 years in ZIP Code 06820 is approximately 5.25% higher than the overall median age in the U.S. of 38.1 years. About 66.2% of residents are aged 18 years and older, and 15.0% of residents are 62 years and over. Approximately 17.1% of the population in 06820 falls in the age group 45 to 54 years, while an estimated 13.8% are aged 35 to 44 years. On the low end of the scale, 2.1% of 06820 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 06820. This visualizes the percentage of the population in the region that falls into certain age ranges, e.g. 35 to 44 years old.

Age Breakdown in 06820

Age Range Percent
Under 5 years 6.6%
5 to 9 years 9.6%
10 to 14 years 10.8%
15 to 19 years 9.1%
20 to 24 years 3.9%
25 to 34 years 4.3%
35 to 44 years 13.8%
45 to 54 years 17.1%
55 to 59 years 7.6%
60 to 64 years 5.3%
65 to 74 years 6.3%
75 to 84 years 3.4%
85 years and over 2.1%

Chronic Health Issues in ZIP Code 06820 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 06820. This visualizes the percentage of adults aged 18 and above that have specific chronic health issues, e.g. high blood pressure, diabetes, or arthritis.

Health Issues in 06820

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 06820 [4]

One of the top preventative health measures in ZIP Code 06820 is current access to health insurance, as an estimated 96.1% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 06820 list , as a preventive measure.

Preventative Health in 06820

Preventive Measure Percent of adults*
Current access to health insurance 96.1%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 06820. This visualizes the percentage of adults aged 18 and above that engage in preventative health measures, e.g. sholesterol screenings and visits to doctors for routine checkups.

Health Risk Behaviors Details

Bar chart displaying health risk behaviors details in ZIP Code 06820. This visualizes the percentage of adults aged 18 and older that engage in health risk behaviors, e.g. smoking or binge drinking.

Health Risk Behaviors in 06820

Risk Behavior Percent of adults*
* aged 18 & above

Utilities in ZIP Code 06820 [6]

Regarding solar power potential, ZIP Code 06820 has an average daily solar radiation level of 4.9 kWh/m2/day. This is approximately 18.93% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 25.64% less than an area in the U.S. with historically high solar radiation levels (AZ).

Electricity Breakdown Details

Bar chart displaying the electricity rates breakdown in ZIP Code 06820. This visualizes electricity rates in 06820 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 06820

Region Residential Commercial Industrial
ZIP Code 06820 12.67¢/kWh 7.63¢/kWh 5.2¢/kWh
Connecticut 28.02¢/kWh 20.05¢/kWh 17.26¢/kWh
United States 16.62¢/kWh 13.58¢/kWh 8.81¢/kWh

Solar Power in 06820

Month ZIP Code 06820 Low (WA) High (AZ)
Jan 3.63 1.9 5.84
Feb 4.5 3 6.31
Mar 5.13 3.65 7.02
Apr 5.41 5.13 7.3
May 5.43 5.17 7.13
Jun 5.68 5.72 6.95
Jul 6 6.22 6.51
Aug 5.79 6.08 6.65
Sep 5.62 5.15 7.02
Oct 4.64 3.32 6.92
Nov 4 2.33 5.99
Dec 3.02 1.78 5.46
All figures listed are kWh/m2/day — kilowatt hours per square meter per day

Solar Radiation Levels

Line chart displaying solar radiation levels in ZIP Code 06820. This visualizes solar power levels in 06820 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Jobs Breakdown in ZIP Code 06820

In 06820, 62.3% of the population is in the labor force. Recent estimates place 9.0% as working from home, while the total labor force in the region has a mean travel to time to work of 39.3 minutes. Approximately 33.8% of the employed population 16 years and over in 06820 work in finance and insurance, and real estate and rental and leasing, while an estimated 18.2% work in educational services, and health care and social assistance. On the lower end of the scale, just 0.1% of 06820 workers 16 years and over work in agriculture, forestry, fishing and hunting, and mining.

Job Industry Breakdown Details

Bar chart displaying job industry breakdown details for ZIP Code 06820. This visualizes the percentage of the population 16 years and over that work in certain industries, e.g. educational services, and health care and social assistance.

Job Industry Breakdown in 06820

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.1%
Construction 3.0%
Manufacturing 4.5%
Wholesale trade 2.8%
Retail trade 5.6%
Transportation and warehousing, and utilities 2.1%
Information 4.1%
Finance and insurance, and real estate and rental and leasing 33.8%
Professional, scientific, management, and administrative 15.2%
Educational services, and health care and social assistance 18.2%
Arts, entertainment, and recreation, and accommodation and food services 6.0%
Other services, except public administration 3.0%
Public administration 1.4%

Consumer Financial Products Complaints in 06820 [5]

Regarding consumer complaints about financial products in ZIP Code 06820, credit reporting or credit repair services have received the most complaints in 06820 in the past 12 months. Checking or savings account received the second most complaints. The most frequent complaint overall in this Fairfield County region was incorrect information on a report.

Consumer Complaints (Products)

Pie chart displaying the specific consumer financial products associated with complaints that originated from residents in ZIP Code 06820. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 06820

Complaint Product Number of Complaints*
Credit reporting or credit repair services 25
Checking or savings account 16
Credit card or prepaid card 13
Credit reporting or other personal consumer reports 10
Money transfer, virtual currency, or money service 7
Other 21
* Total in 2021

Consumer Complaints by Issue in 06820

Complaint Issue Number of Complaints*
Incorrect information on your report 19
Problem with a credit reporting company's investigation 11
Managing an account 8
Fraud or scam 6
Getting a credit card 5
Other 43
* Total 2021 - 2024 (current)

Consumer Complaints (Issues)

Pie chart displaying the complaints about consumer financial products and services that were sent to companies for response from residents in ZIP Code 06820. This visualizes the specific complaint issues that arose in this region, e.g. incorrect information on a report.

Notes

  • [4] Health data referenced here originate from the Centers for Disease Control and Prevention (CDC).
  • [5] Consumer financial product complaint data referenced here originate from the Consumer Financial Protection Bureau.
  • [6] Electricity rates and electricity usage data referenced here originate from the National Renewable Energy Laboratory (NREL) and/or the U.S. Energy Information Administration (EIA). Estimates utilize regional U.S. Census Bureau data along with regional NREL and/or EIA data.