ZIP Code 03820 Demographics & Data

About Dover, NH (ZIP Code 03820)

New Hampshire

Comprehensive Data and Demographics About 03820

The 03820 ZIP Code is primarily associated with Dover, NH in Strafford County in the United States. The current population estimate is 31,629. An estimated 19.2% of residents in the 03820 ZIP Code are of age 62 years and older. Overall, the region has a median age of 36.1 years. In this New Hampshire region, approximately 93.9% have a high school degree or higher, and the per capita income is an estimated $41,518. Approximately 6% of the population lives below the poverty line, while the median househould income sits at $71,556.

Population in 03820

The most recent population estimate for ZIP Code 03820 is 31,629.

Dover, NH

The 03820 ZIP Code is associated with Dover, NH in Strafford County.

Area Codes associated with 03820

Telephone area codes associated with ZIP Code 03820 include 603.

Sunrise / Sunset in 03820

Sunrise: 7:12 am
Sunset: 4:12 pm
Sunrise in 03820 7:12 am
Sunrise in 03820 4:12 pm

Weather forecast for 03820

Today's forecast for 03820: Scattered snow showers before noon, then scattered rain showers. Mostly cloudy, with a high near 38. South wind 0 to 5 mph. Chance of precipitation is 30%.

Current air quality in 03820

Air quality: Fair Air quality scale in 03820 Fair

Internet in 03820

An estimated 87.3% of households in ZIP Code 03820 have broadband Internet service, while approximately 93.0% have a computer.

Gender in 03820

In ZIP Code 03820, the gender split is approximately 47.5% male and an estimated 52.5% female.

Health Insurance in 03820

Approximately 6.0% of adults aged 18 to 64 in ZIP Code 03820 (Dover, NH) are currently uninsured and do not have health insurance.

Income in ZIP Code 03820

The median household income in ZIP Code 03820 is $71,556, while the region's mean household income is $94,981. Breaking income down further, per capita income in the region is $41,518. The per capita income in ZIP Code 03820 of $41,518 is approximately 3.79% more than the per capita income in New Hampshire overall of $40,003. An estimated 5.6% of the population is living below the poverty line in this region. This rate is approximately 41.05% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 18.1% of the population in 03820 earn $50,000 to $74,999 per year, while an estimated 16.4% earn $75,000 to $99,999 per year, and 3.6% of 03820 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 03820. 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 03820

Household Income Percent
Less than $10,000 per year 3.6%
$10,000 to $14,999 per year 3.6%
$15,000 to $24,999 per year 6.8%
$25,000 to $34,999 per year 7.2%
$35,000 to $49,999 per year 12.0%
$50,000 to $74,999 per year 18.1%
$75,000 to $99,999 per year 16.4%
$100,000 to $149,999 per year 16.3%
$150,000 to $199,999 per year 8.8%
$200,000 or more per year 7.2%

Education levels in ZIP Code 03820

In ZIP Code 03820, 93.9% of the population graduated high school, while 46.5% have a bachelor's degree or higher. In this region, 1.8% achieved an education level less than 9th grade, while 18.1% hold a graduate or professional degree. Approximately 21.1% in this Strafford County region reached the highest level of high school graduate (including equivalency).

Education Attained in 03820

Education Level Percent
Less than 9th grade 1.8%
9th to 12th grade, no diploma 4.3%
High school graduate (includes equivalency) 21.1%
Some college, no degree 17.4%
Associate's degree 8.9%
Bachelor's degree 28.4%
Graduate or professional degree 18.1%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 03820. 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 03820

Looking at race in the population that makes up ZIP Code 03820, 97.0% is one race, while 3.0% are two or more races. Approximately 3.7% of 03820 residents are hispanic or Latino (of any race). The most common race in 03820 (race alone or in combination with one or more other races), is White (94.1%), followed by Asian (5.2%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 03820. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 03820

Industry Percent
White 94.1%
Black or African American 2.4%
American Indian and Alaska Native 1.0%
Asian 5.2%
Native Hawaiian and Other Pacific Islander 0.1%
Some other race 0.5%
* Race alone or in combination with one or more other races

Language Breakdown in ZIP Code 03820

In ZIP Code 03820, 91.7% of the population lists "English only" as the language spoken in home, while 1.5% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 3.0% of homes, and other Indo-European languages are spoken in 3.8% 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 Strafford County region.

Language Spoken in 03820

Language Spoken Percent
English only 91.7%
Spanish 1.5%
Other Indo-European languages 3.0%
Asian and Pacific Islander languages 3.8%
Other languages 0.1%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 03820. 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 03820

The median home value in ZIP Code 03820 in July 2024 comes in at $549,971. The July 2024 value is approximately 4% higher than the $527,072 median value in February 2024, and 9% higher than the $506,285 median value in August 2023. Regarding the age of homes in ZIP Code 03820, an estimated 24.6% of homes were built in 1939 or earlier. Additionally, 14.5% of homes in the region were built between 1980 and 1989, while an estimated 2.1% of homes were built in 2014 or later in this Strafford County region.

Home Values in 03820

Month Home value
Jul 2024 $549,971
Jun 2024 $547,231
May 2024 $542,568
Apr 2024 $536,821
Mar 2024 $530,866
Feb 2024 $527,072
Jan 2024 $524,300
Dec 2023 $522,209
Nov 2023 $519,276
Oct 2023 $516,118
Sep 2023 $511,585
Aug 2023 $506,285

Median Home Values Over Time

Line chart displaying median home values in ZIP Code 03820. This visualizes a recent 12-month span of home values in the region.

Age of Housing in 03820

Year Home Built Percent
Built in 2014 or later 2.1%
Built between 2010 and 2013 2.7%
Built between 2000 and 2009 11.5%
Built between 1990 and 1999 9.2%
Built between 1980 and 1989 14.5%
Built between 1970 and 1979 12.9%
Built between 1960 and 1969 9.6%
Built between 1950 and 1959 9.3%
Built between 1940 and 1949 3.7%
Built in 1939 or earlier 24.6%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 03820. 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 03820

Residents of ZIP Code 03820 are younger than average. The median age of 36.1 years in ZIP Code 03820 is approximately 5.25% lower than the overall median age in the U.S. of 38.1 years. About 80.9% of residents are aged 18 years and older, and 19.2% of residents are 62 years and over. Approximately 19.3% of the population in 03820 falls in the age group 25 to 34 years, while an estimated 12.2% are aged 45 to 54 years. On the low end of the scale, 2.2% of 03820 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 03820. 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 03820

Age Range Percent
Under 5 years 6.4%
5 to 9 years 5.5%
10 to 14 years 4.5%
15 to 19 years 3.5%
20 to 24 years 9.2%
25 to 34 years 19.3%
35 to 44 years 11.7%
45 to 54 years 12.2%
55 to 59 years 6.5%
60 to 64 years 5.1%
65 to 74 years 9.3%
75 to 84 years 4.6%
85 years and over 2.2%

Chronic Health Issues in ZIP Code 03820 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 03820. 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 03820

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 03820 [4]

One of the top preventative health measures in ZIP Code 03820 is current access to health insurance, as an estimated 94% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 03820 list , as a preventive measure.

Preventative Health in 03820

Preventive Measure Percent of adults*
Current access to health insurance 94%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 03820. 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 03820. 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 03820

Risk Behavior Percent of adults*
* aged 18 & above

Utilities in ZIP Code 03820 [6]

Regarding solar power potential, ZIP Code 03820 has an average daily solar radiation level of 4.87 kWh/m2/day. This is approximately 18.2% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 26.1% 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 03820. This visualizes electricity rates in 03820 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 03820

Region Residential Commercial Industrial
ZIP Code 03820 16.29¢/kWh 9.56¢/kWh 6.11¢/kWh
New Hampshire 24.86¢/kWh 20.02¢/kWh 15.65¢/kWh
United States 16.83¢/kWh 13.2¢/kWh 8.21¢/kWh

Solar Power in 03820

Month ZIP Code 03820 Low (WA) High (AZ)
Jan 3.74 1.9 5.84
Feb 4.81 3 6.31
Mar 5.23 3.65 7.02
Apr 5.51 5.13 7.3
May 5.6 5.17 7.13
Jun 5.37 5.72 6.95
Jul 5.98 6.22 6.51
Aug 5.75 6.08 6.65
Sep 5.45 5.15 7.02
Oct 4.38 3.32 6.92
Nov 3.64 2.33 5.99
Dec 3.04 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 03820. This visualizes solar power levels in 03820 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Jobs Breakdown in ZIP Code 03820

In 03820, 71.1% of the population is in the labor force. Recent estimates place 5.3% as working from home, while the total labor force in the region has a mean travel to time to work of 24.3 minutes. Approximately 25.4% of the employed population 16 years and over in 03820 work in educational services, and health care and social assistance, while an estimated 12.0% work in professional, scientific, management, and administrative. On the lower end of the scale, just 0.2% of 03820 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 03820. 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 03820

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.2%
Construction 3.8%
Manufacturing 11.9%
Wholesale trade 2.0%
Retail trade 8.8%
Transportation and warehousing, and utilities 3.1%
Information 1.4%
Finance and insurance, and real estate and rental and leasing 11.6%
Professional, scientific, management, and administrative 12.0%
Educational services, and health care and social assistance 25.4%
Arts, entertainment, and recreation, and accommodation and food services 11.1%
Other services, except public administration 4.7%
Public administration 4.0%

Consumer Financial Products Complaints in 03820 [5]

Regarding consumer complaints about financial products in ZIP Code 03820, credit reporting or credit repair services have received the most complaints in 03820 in the past 12 months. Credit reporting or other personal consumer reports received the second most complaints. The most frequent complaint overall in this Strafford 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 03820. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 03820

Complaint Product Number of Complaints*
Credit reporting or credit repair services 53
Credit reporting or other personal consumer reports 29
Debt collection 13
Checking or savings account 12
Credit card 7
Other 27
* Total in 2021

Consumer Complaints by Issue in 03820

Complaint Issue Number of Complaints*
Incorrect information on your report 47
Improper use of your report 22
Problem with a credit reporting company's investigation 10
Managing an account 9
Dealing with your lender or servicer 7
Other 46
* 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 03820. 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.