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03873 ZIP Code

Sandown, New hampshire

January 21, 2026
ZIP Code:03873
City/Town:Sandown
County:Rockingham
State:New hampshire
ZIP Type:Standard
Population:6,536
Median Household Income:$125,888
Per Capita Income:$50,268
Total Housing Units:2,274
Median Home Value:$374,800
Land Area:13.9 sq miles
36.1 sq km
Water Area:0.5 sq miles
1.3 sq km
Coordinates:42.9340, -71.1836

Population Information (03873 zip code)

#%US
Total Population:6,536----
Male:3,08647.2%49.6%
Female:3,45052.8%50.4%
Median Age:38.8 yrs--38.5 yrs
Under 5 years:4046.2%5.7%
5 to 9 years:2664.1%6.0%
10 to 14 years:5698.7%6.5%
15 to 19 years:4897.5%6.6%
20 to 24 years:3615.5%6.7%
25 to 34 years:73811.3%13.7%
35 to 44 years:80612.3%12.9%
45 to 54 years:1,08016.5%12.4%
55 to 59 years:68310.4%6.5%
60 to 64 years:4006.1%6.4%
65 to 74 years:5738.8%9.7%
75 to 84 years:1492.3%4.8%
85 years and over:180.3%2.0%

Housing Information (03873 zip code)

#%US
Median home value:$374,800--$281,900
Median rooms:5.9--5.5
Median rent:$1,807 / mo.--$1,268 / mo.
Total housing units:2,274----
Occupied housing units:2,20697.0%38.0%
Vacant housing units:683.0%4.6%
Housing tenure:------
Owner-occupied:1,86584.5%64.8%
Renter-occupied:34115.5%35.2%

Educational Attainment (03873 zip code)

#%US
Population 25 years and over:4,447----
Less than 9th grade:551.2%4.7%
9th to 12th grade, no diploma:1914.3%6.1%
High school graduate:1,15826.0%26.4%
Some college, no degree:1,04623.5%19.7%
Associate degree:67415.2%8.7%
Bachelor's degree:70015.7%20.9%
Graduate or professional degree:62314.0%13.7%
Percent high school graduate or higher:--94.5%89.1%
Percent bachelor's degree or higher:--29.8%34.3%

Income Information (03873 zip code)

ValueUS
Median household income:$125,888 / yr.$75,149 / yr.
Mean household income:$124,569 / yr.$105,833 / yr.
Median family income:$125,643 / yr.$92,646 / yr.
Per capita income:$50,268 / yr.$41,261 / yr.

Employment (03873 zip code)

#%US
In labor force:3,699--63.5%
Employed:3,53695.6%96.4%
Unemployed:1634.4%5.3%
Not in labor force:1,522----
Class of Worker:------
Private wage and salary:3,03985.9%79.7%
Government workers:2938.3%14.2%
Self-employed:2045.8%5.9%
Unpaid family workers:00.0%0.1%

Race & Ethnicity (03873 zip code)

#%US
Race (one race):------
White:6,27396.0%61.6%
Black or African American:390.6%12.4%
American Indian/Alaska Native:00.0%1.1%
Asian:00.0%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:761.2%8.4%
Two or more races:1482.3%10.2%
Hispanic or Latino (any race):1722.6%18.7%
Mexican:1482.3%11.2%
Puerto Rican:500.8%1.8%
Cuban:350.5%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:631.0%81.1%

Income Distribution (03873 zip code)

Household IncomeHouseholds%US
Less than $10,000:341.5%4.9%
$10,000 to $14,999:1858.4%3.8%
$15,000 to $24,999:00.0%7.0%
$25,000 to $34,999:301.4%7.4%
$35,000 to $49,999:2179.8%10.7%
$50,000 to $74,999:23310.6%16.1%
$75,000 to $99,999:27712.6%12.8%
$100,000 to $149,999:34115.5%17.1%
$150,000 to $199,999:41718.9%8.8%
$200,000 or more:47221.4%11.4%

Commute to Work (03873 zip code)

Commute MethodWorkers%US
Drove alone:2,78078.6%67.8%
Carpooled:1103.1%8.7%
Public transportation:00.0%4.2%
Walked:280.8%2.5%
Other means:10.0%0.9%
Worked from home:55715.8%13.8%
Mean travel time to work:34.6 min--26.7 min

Industry (03873 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:130.4%1.6%
Construction:3479.8%6.9%
Manufacturing:64218.2%10.0%
Wholesale trade:992.8%2.4%
Retail trade:3489.8%11.0%
Transportation, warehousing, utilities:1383.9%5.8%
Information:1183.3%1.9%
Finance, insurance, real estate:2527.1%6.7%
Professional, scientific, management:40711.5%12.1%
Education, health care, social services:69119.5%23.3%
Arts, entertainment, food services:3168.9%9.0%
Other services:872.5%4.7%
Public administration:782.2%4.7%

Poverty Status (03873 zip code)

#%US
Poverty Rate:--10.3%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (03873 zip code)

#%US
With health insurance:6,01692.0%91.3%
Private health insurance:4,94975.7%67.6%
Public health coverage:1,94429.7%35.9%
Without health insurance:5208.0%8.7%

Benefits & Assistance (03873 zip code)

Households with:#%US
Earnings:1,86184.4%77.4%
Social Security income:78135.4%31.0%
Retirement income:54824.8%21.8%
Supplemental Security Income (SSI):683.1%4.5%
Cash public assistance income:321.5%1.8%
SNAP (food stamps) benefits:321.5%11.4%

Housing Types (03873 zip code)

Structure TypeUnits%US
1-unit, detached:1,89983.5%61.4%
1-unit, attached:190.8%6.1%
2 units:261.1%3.4%
3 or 4 units:26011.4%4.3%
5 to 9 units:00.0%4.6%
10 to 19 units:170.7%4.3%
20 or more units:00.0%9.9%
Mobile home:351.5%5.8%
Boat, RV, van, etc.:180.8%0.1%

Year Structure Built (03873 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:1597.0%8.2%
Built 2000 to 2009:41618.3%13.5%
Built 1990 to 1999:1617.1%13.2%
Built 1980 to 1989:70230.9%13.2%
Built 1970 to 1979:23810.5%14.6%
Built 1960 to 1969:1004.4%10.2%
Built 1950 to 1959:572.5%9.9%
Built 1940 to 1949:1155.1%4.6%
Built 1939 or earlier:32614.3%12.0%

Bedrooms (03873 zip code)

Number of BedroomsUnits%US
No bedroom (studio):180.8%2.4%
1 bedroom:170.7%3.0%
2 bedrooms:71931.6%9.1%
3 bedrooms:1,07347.2%15.9%
4 bedrooms:33614.8%18.8%
5 or more bedrooms:1114.9%17.6%

Heating Fuel (03873 zip code)

Fuel TypeUnits%US
Utility gas:00.0%47.1%
Bottled, tank, or LP gas:76034.5%4.9%
Electricity:24411.1%40.2%
Fuel oil, kerosene, etc.:1,07748.8%4.2%
Coal or coke:00.0%0.1%
Wood:612.8%1.5%
Solar energy:00.0%0.1%
Other fuel:462.1%0.5%
No fuel used:180.8%0.2%

Vehicles Available (03873 zip code)

VehiclesHouseholds%US
No vehicle available:361.6%8.3%
1 vehicle available:38617.5%32.6%
2 vehicles available:83137.7%37.0%
3 or more vehicles available:95343.2%22.1%

Home Value Distribution (03873 zip code)

Value RangeOwner Units%US
Less than $50,000:00.0%5.7%
$50,000 to $99,999:30.2%7.8%
$100,000 to $149,999:311.7%9.2%
$150,000 to $199,999:170.9%10.8%
$200,000 to $299,999:26414.2%19.9%
$300,000 to $499,999:1,12560.3%24.1%
$500,000 to $999,999:42522.8%17.0%
$1,000,000 or more:00.0%5.6%

Housing Costs (03873 zip code)

ValueUS
Median owner costs (with mortgage):$2,437 / mo.$1,828 / mo.
Median owner costs (no mortgage):$1,033 / mo.$584 / mo.
Median gross rent:$1,807 / mo.$1,268 / mo.
Average household size (owner-occupied):3.022.53
Average household size (renter-occupied):2.662.38

Households (03873 zip code)

#%US
Total households:2,206----
Married-couple households:1,46766.5%47.5%
Cohabiting couple households:48421.9%7.0%
Male householder, no spouse:1778.0%5.4%
Female householder, no spouse:34415.6%12.7%
Householder living alone:92842.1%28.6%
65 years and over living alone:53424.2%11.8%
Average household size:2.96--2.53
Average family size:3.13----

Marital Status (03873 zip code)

Population 15 years and over#%US
Total:2,457----
Never married:69528.3%37.0%
Now married:1,56263.6%49.5%
Separated:381.5%1.5%
Widowed:1496.1%2.6%
Divorced:77231.4%9.3%

School Enrollment (03873 zip code)

Population 3 years and over#%US
Enrolled in school:1,388----
Nursery school, preschool:392.8%5.8%
Kindergarten:493.5%5.0%
Elementary school (grades 1-8):65146.9%40.5%
High school (grades 9-12):39828.7%21.4%
College or graduate school:25118.1%27.3%

Veterans & Disability (03873 zip code)

#%US
Civilian population 18 years and over:4,992----
Veterans:2555.1%6.3%
Civilian noninstitutionalized population:6,536----
With a disability:81312.4%13.4%
Under 18 with disability:334.1%5.8%
18 to 64 with disability:46156.7%10.4%
65 and over with disability:31939.2%33.4%

Mobility (Residence 1 Year Ago) (03873 zip code)

Population 1 year and over#%US
Same house:6,00591.9%86.9%
Different house:4426.8%13.1%
Same county:33275.1%7.0%
Different county:11024.9%3.2%
Different state:9521.5%2.5%
Abroad:00.0%0.4%

Place of Birth (03873 zip code)

#%US
Native born:6,25995.8%86.2%
Foreign born:600.9%13.9%
Naturalized citizen:277461.7%52.7%
Not a citizen:277461.7%47.3%
Foreign-born by region:------
Europe:277461.7%10.5%
Asia:139231.7%31.3%
Africa:00.0%5.5%
Oceania:00.0%0.5%
Latin America:1830.0%50.0%
Northern America:111185.0%2.2%

Language Spoken at Home (03873 zip code)

Population 5 years and over#%US
Total:6,132----
English only:5,97497.4%78.3%
Language other than English:1582.6%21.5%
By language:------
Spanish:570.9%13.3%
Other Indo-European languages:771.3%3.5%
Asian/Pacific Island languages:00.0%3.5%
Other languages:240.4%1.0%

Computers & Internet (03873 zip code)

Households%US
Households with a computer:2,206100.0%93.1%
Households with broadband internet:2,17598.6%89.4%