Next Zip Code · 03821

Zip Code 03820, United States - Map and Information

Primary CityMadbury, New Hampshire
Area of Zip Code 0382030.25 sq mi
Male Population15,197 (49.1%)
Female Population15,774 (50.9%)
Population change from 1975 to 2015 +51.9%
Population change from 2000 to 2015 +13.1%
Median Age37.1 years
Male Median Age35.6 years
Female Median Age38.5 years
Area Codes603
NeighborhoodsDover, Downtown Dover, South Rochester
Local TimeFriday 2:54 AM
TimezoneEastern Standard Time
Coordinates43.1887921553628° / -70.8867811961942°
Related Zip Codes038210382203823038240382503826

Map of Zip Code 03820

Interactive Map

Zip Code 03820 Population

Years 1975 to 2015
Population Density673.9 / mi²794.3 / mi²904.9 / mi²1,023 / mi²

Racial demographics for Zip Code 03820

 White: 94.9%
 Asian: 2.3%
 Hispanic or Latino: 1.1%
 Black Or African American: 1.1%
 American Indian Or Alaskan Native: 0.2%
 Other: 0.4%

03820 Population change from 2000 to 2015

Increase of 13.1% from year 2000 to 2015
LocationChange since 1975Change since 1990Change since 2000
Zip Code 03820+51.9%+28.9%+13.1%
New Hampshire+36.6%+19%+8.2%
United States+46.9%+27.2%+13.7%

Zip Code 03820 Median Age

Median Age: 37.1 years
LocationMedian AgeMedian Age (Female)Median Age (Male)
Zip Code 0382037.1 years38.5 years35.6 years
Dover37 years38.5 years35.5 years
New Hampshire41.5 years42.3 years40.6 years
United States37.4 years38.7 years36.1 years

Zip Code 03820 Population Tree

Population By Age and Gender
Under 59918641,856
85 Plus211543755

Zip Code 03820 Population Density

Population Density: 1,023 / mi²
LocationPopulationAreaPopulation Density
Zip Code 0382030,97130.25 sq mi1,023 / mi²
Dover30,75929.02 sq mi1,059 / mi²
New Hampshire1.3 million9,349.2 sq mi143.8 / mi²
United States321.6 million3,796,761.2 sq mi84.7 / mi²

Zip Code 03820 Historical and Projected Population

Estimated Population from 1750 to 2100


Business Distribution by neighborhood in 03820
 Downtown Dover: 64.3%
 Dover: 24.1%
 South Rochester: 7.5%
 Other: 4%

Stats and Demographics for Zip Code 03820

Households in 0382012,530
People per Household2.28
Average House Value$134,300
Income per Household$44,493

Business Concentration in Zip Code 03820

03820 Business Heat Map


Business Distribution by Industry
 Medical: 23.1%
 Professional Services: 13.5%
 Shopping: 12%
 Home Services: 7.2%
 Industry: 6%
 Restaurants: 5.5%
 Local Services: 5.3%
 Other: 27.3%
Industry DescriptionNumber of EstablishmentsAverage Age of BusinessAverage Google RatingBusinesses per 1,000 residents
Car repair5529.1 years4.51.8
Beauty salons7319 years4.32.4
Hairdressers6020.3 years4.41.9
Public administration6146.8 years4.42.0
Social work5624 years2.71.8
Atm's3277.7 years3.31.0
Banks3069.9 years3.41.0
Loan companies5538.6 years4.01.8
General contractors7727.7 years4.62.5
Other construction3723.7 years4.51.2
Real estate10225.1 years3.73.3
Construction of buildings4627.5 years4.51.5
Wholesale of machinery3229.8 years2.91.0
Photography3118.8 years5.01.0
Dentists6722.1 years4.72.2
Health and medical64325.3 years4.120.8
Physicians and surgeons20528.7 years3.06.6
Psychiatrists and psychotherapists4127.5 years2.51.3
Advertising and marketing3919 years4.41.3
Corporate management6917.7 years3.62.2
Lawyers legal10825.3 years4.53.5
Scientific and technical services6321.3 years3.32.0
Electronics stores5023.3 years4.51.6
Shopping other5431.8 years4.21.7
Public parks3037.5 years4.41.0

Business distribution by price for Zip Code 03820

 Moderate: 53.7%
 Inexpensive: 35.9%
 Expensive: 8%
 Very Expensive: 2.4%

Human Development Index (HDI)

Statistic composite index of life expectancy, education, and per capita income.

Zip Code 03820 CO2 Emissions

Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
LocationCO2 EmissionsCO2 Emissions Per CapitaCO2 Emissions Intensity
Zip Code 03820543,459 t17.5 t17,963 t/mi²
Dover539,332 t17.5 t18,583 t/mi²
New Hampshire29,681,961 t22.1 t3,174 t/mi²
United States5,664,619,809 t17.6 t1,491 t/mi²

Zip Code 03820 CO2 Emissions

2013 CO2 emissions (tonnes/year)543,459 t
2013 CO2 emissions (tonnes/year) per capita17.5 t
2013 CO2 emissions intensity (tonnes/mi²/year)

Natural Hazards Risk

Relative risk out of 10
FloodHigh (7)
EarthquakeLow (2)
CycloneHigh (7)
* Risk, particularly concerning flood or landslide, may not be for the entire area.

Recent Nearby Earthquakes

Magnitude 3.0 and greater
10/16/124:12 PM4.6749.1 km16,090
9/25/108:28 PM3.1559 km5,000 mNew
1/10/992:52 AM3.139.5 km2,000 msouthern New
10/6/928:38 AM3.458.1 km5,000 mNew
10/25/8610:16 AM3.961.7 km5,000 mNew
1/18/824:14 PM4.567.4 km8,000 mNew
7/28/794:29 PM3.545 km5,000
1/4/7811:28 AM3.299.4
12/25/777:35 AM3.265.5 kmNoneNew
6/26/644:04 AM3.268.7 km1,000 mNew

Find historical earthquake occurrences near Zip Code 03820

Earliest Date  Latest Date 
 Magnitude 3.0 and greater   Magnitude 4.0 and greater   Magnitude 5.0 and greater 

Primary City

Madbury is a town in Strafford County, New Hampshire, United States. The population was 1,771 at the 2010 census.     Madbury, New Hampshire Wikipedia Page

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