ZIP Code 06830 Demographics & Data

About Greenwich, CT (ZIP Code 06830)

Connecticut

In-depth Statistics and Demographics About 06830

The 06830 ZIP Code is primarily associated with Greenwich, CT in Fairfield County in the United States. The current population estimate is 25,036. An estimated 21.7% of residents in the 06830 ZIP Code are of age 62 years and older. Overall, the region has a median age of 43.0 years. An estimated 94.1% in this Connecticut region have a high school degree or higher, while the per capita income comes in at approximately $97,808. Approximately 5% of the population lives below the poverty line, while the median househould income sits at $119,838.

Population in 06830

The most recent population estimate for ZIP Code 06830 is 25,036.

Greenwich, CT

The 06830 ZIP Code is associated with Greenwich, CT in Fairfield County.

Area Codes associated with 06830

Telephone area codes associated with ZIP Code 06830 include 203, and 475.

Sunrise / Sunset in 06830

Sunrise: 7:11 am
Sunset: 4:26 pm
Sunrise in 06830 7:11 am
Sunrise in 06830 4:26 pm

Weather forecast for 06830

Today's forecast for 06830: Snow before 1pm. Partly sunny. High near 29, with temperatures falling to around 26 in the afternoon. Wind chill values as low as 13. Northwest wind 7 to 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Current air quality in 06830

Air quality: Fair Air quality scale in 06830 Fair

Internet in 06830

Approximately 89.9% of households in ZIP Code 06830 have broadband Internet service, while about 93.7% have a computer.

Gender in 06830

In ZIP Code 06830, the gender split is approximately 47.4% male and an estimated 52.6% female.

Health Insurance in 06830

Approximately 8.3% of adults aged 18 to 64 in ZIP Code 06830 (Greenwich, CT) are currently uninsured and do not have health insurance.

Income in ZIP Code 06830

The median household income in ZIP Code 06830 is $119,838, while the region's mean household income is $253,080. Breaking income down further, per capita income in the region is $97,808. The per capita income in ZIP Code 06830 of $97,808 is approximately 119.81% more than the per capita income in Connecticut overall of $44,496. An estimated 5.2% of the population is living below the poverty line in this region. This rate is approximately 45.26% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 33.2% of the population in 06830 earn $200,000 or more per year, while an estimated 13.4% earn $100,000 to $149,999 per year, and 2.3% of 06830 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 06830. 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 06830

Household Income Percent
Less than $10,000 per year 4.0%
$10,000 to $14,999 per year 2.3%
$15,000 to $24,999 per year 8.0%
$25,000 to $34,999 per year 5.6%
$35,000 to $49,999 per year 7.2%
$50,000 to $74,999 per year 9.4%
$75,000 to $99,999 per year 7.7%
$100,000 to $149,999 per year 13.4%
$150,000 to $199,999 per year 9.3%
$200,000 or more per year 33.2%

Education levels in ZIP Code 06830

In ZIP Code 06830, 94.1% of the population graduated high school, while 61.7% have a bachelor's degree or higher. In this region, 3.8% achieved an education level less than 9th grade, while 31.0% hold a graduate or professional degree. Approximately 16.2% in this Fairfield County region reached the highest level of high school graduate (including equivalency).

Education Attained in 06830

Education Level Percent
Less than 9th grade 3.8%
9th to 12th grade, no diploma 2.1%
High school graduate (includes equivalency) 16.2%
Some college, no degree 10.8%
Associate's degree 5.5%
Bachelor's degree 30.7%
Graduate or professional degree 31.0%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 06830. 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 06830

Looking at race in the population that makes up ZIP Code 06830, 96.4% is one race, while 3.6% are two or more races. Approximately 21.4% of 06830 residents are hispanic or Latino (of any race). The most common race in 06830 (race alone or in combination with one or more other races), is White (83.5%), followed by Asian (8.0%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 06830. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 06830

Industry Percent
White 83.5%
Black or African American 6.9%
American Indian and Alaska Native 0.7%
Asian 8.0%
Native Hawaiian and Other Pacific Islander 0.1%
Some other race 4.4%
* Race alone or in combination with one or more other races

Language Breakdown in ZIP Code 06830

In ZIP Code 06830, 65.1% of the population lists "English only" as the language spoken in home, while 19.3% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 11.3% of homes, and other Indo-European languages are spoken in 4.1% of homes. Lastly, 0.1% 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 06830

Language Spoken Percent
English only 65.1%
Spanish 19.3%
Other Indo-European languages 11.3%
Asian and Pacific Islander languages 4.1%
Other languages 0.1%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 06830. 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 06830

The median home value in ZIP Code 06830 in January 2025 comes in at $2,854,904. The January 2025 value is approximately 1% higher than the $2,837,025 median value in August 2024, and 3% higher than the $2,758,859 median value in February 2024. Regarding the age of homes in ZIP Code 06830, an estimated 31.2% of homes were built in 1939 or earlier. Additionally, 14.9% of homes in the region were built between 1950 and 1959, while an estimated 1.4% of homes were built in 2014 or later in this Fairfield County region.

Home Values in 06830

Month Home value
Jan 2025 $2,854,904
Dec 2024 $2,862,554
Nov 2024 $2,867,462
Oct 2024 $2,860,179
Sep 2024 $2,846,357
Aug 2024 $2,837,025
Jul 2024 $2,839,631
Jun 2024 $2,844,621
May 2024 $2,838,559
Apr 2024 $2,812,365
Mar 2024 $2,780,688
Feb 2024 $2,758,859

Median Home Values Over Time

Line chart displaying median home values in ZIP Code 06830. This visualizes a recent 12-month span of home values in the region.

Age of Housing in 06830

Year Home Built Percent
Built in 2014 or later 1.4%
Built between 2010 and 2013 1.9%
Built between 2000 and 2009 7.1%
Built between 1990 and 1999 5.9%
Built between 1980 and 1989 10.1%
Built between 1970 and 1979 8.8%
Built between 1960 and 1969 12.7%
Built between 1950 and 1959 14.9%
Built between 1940 and 1949 6.0%
Built in 1939 or earlier 31.2%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 06830. 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 06830

Residents of ZIP Code 06830 are older than average. The median age of 43.0 years in ZIP Code 06830 is approximately 12.86% higher than the overall median age in the U.S. of 38.1 years. About 76.7% of residents are aged 18 years and older, and 21.7% of residents are 62 years and over. Approximately 16.5% of the population in 06830 falls in the age group 45 to 54 years, while an estimated 11.6% are aged 35 to 44 years. On the low end of the scale, 2.7% of 06830 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 06830. 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 06830

Age Range Percent
Under 5 years 5.7%
5 to 9 years 7.4%
10 to 14 years 6.4%
15 to 19 years 5.9%
20 to 24 years 4.6%
25 to 34 years 10.5%
35 to 44 years 11.6%
45 to 54 years 16.5%
55 to 59 years 6.7%
60 to 64 years 6.4%
65 to 74 years 9.5%
75 to 84 years 5.9%
85 years and over 2.7%

Chronic Health Issues in ZIP Code 06830 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 06830. 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 06830

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 06830 [4]

One of the top preventative health measures in ZIP Code 06830 is current access to health insurance, as an estimated 91.7% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 06830 list , as a preventive measure.

Preventative Health in 06830

Preventive Measure Percent of adults*
Current access to health insurance 91.7%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 06830. 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 06830. 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 06830

Risk Behavior Percent of adults*
* aged 18 & above

Utilities in ZIP Code 06830 [6]

Regarding solar power potential, ZIP Code 06830 has an average daily solar radiation level of 4.92 kWh/m2/day. This is approximately 19.42% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 25.34% 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 06830. This visualizes electricity rates in 06830 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 06830

Region Residential Commercial Industrial
ZIP Code 06830 12.67¢/kWh 7.63¢/kWh 5.2¢/kWh
Connecticut 30.48¢/kWh 21.95¢/kWh 17.99¢/kWh
United States 18.07¢/kWh 14.06¢/kWh 9.02¢/kWh

Solar Power in 06830

Month ZIP Code 06830 Low (WA) High (AZ)
Jan 3.71 1.9 5.84
Feb 4.74 3 6.31
Mar 5.12 3.65 7.02
Apr 5.72 5.13 7.3
May 5.46 5.17 7.13
Jun 5.68 5.72 6.95
Jul 5.95 6.22 6.51
Aug 5.92 6.08 6.65
Sep 5.53 5.15 7.02
Oct 4.58 3.32 6.92
Nov 3.65 2.33 5.99
Dec 2.96 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 06830. This visualizes solar power levels in 06830 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Jobs Breakdown in ZIP Code 06830

In 06830, 62.0% of the population is in the labor force. Recent estimates place 6.8% as working from home, while the total labor force in the region has a mean travel to time to work of 30.2 minutes. Approximately 22.7% of the employed population 16 years and over in 06830 work in finance and insurance, and real estate and rental and leasing, while an estimated 20.1% work in educational services, and health care and social assistance. On the lower end of the scale, just 0.4% of 06830 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 06830. 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 06830

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.4%
Construction 6.3%
Manufacturing 4.2%
Wholesale trade 3.0%
Retail trade 7.3%
Transportation and warehousing, and utilities 2.2%
Information 3.1%
Finance and insurance, and real estate and rental and leasing 22.7%
Professional, scientific, management, and administrative 15.2%
Educational services, and health care and social assistance 20.1%
Arts, entertainment, and recreation, and accommodation and food services 7.4%
Other services, except public administration 7.3%
Public administration 1.0%

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.