ZIP code 03873: Sandown, NH
03873 is a ZIP code in Sandown, New Hampshire, mainly in Rockingham County, part of the Boston-Cambridge-Newton, MA-NH metro area. About 6,628 people live here.
- Population
- 6,628
- Median household income
- $135,040
- Typical home value
- $560,300+1.1% in 12 months
- Median rent
- $1,893gross, per month
- Median age
- 40.8
- Homeowners
- 82.5%of occupied homes
Shaded: ZIP code 03873's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 03873 details
| City | Sandown |
|---|---|
| State | New Hampshire |
| County | Rockingham County |
| Metro area | Boston-Cambridge-Newton, MA-NH |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 13.9 sq mi, plus 0.5 sq mi of water |
| Population density | 475 people per sq mi |
| Bachelor's degree or higher | 34.1% of adults 25+ |
| Average commute | 33.4 minutes |
| Center coordinates | 42.93402, -71.18361 |
ZIP codes near 03873
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 03819 | Danville, NH | 2.7 mi | 4,471 |
| 03841 | Hampstead, NH | 3.8 mi | 6,508 |
| 03826 | East Hampstead, NH | 4.2 mi | 2,654 |
| 03036 | Chester, NH | 5.0 mi | 5,300 |
| 03038 | Derry, NH | 5.5 mi | 34,474 |
| 03044 | Fremont, NH | 5.6 mi | 4,831 |
| 03848 | Kingston, NH | 5.7 mi | 6,275 |
| 03041 | East Derry, NH | 6.1 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 03873?
A typical home in ZIP code 03873 is worth about $560,300 (Zillow Home Value Index). The median household here earns $135,040 a year. See what buying here would cost per month, with New Hampshire average taxes and insurance filled in.
Monthly payment for a $560,300 homeWhat can a $135,040 income afford?Rental property numbers
About ZIP code 03873
What city is ZIP code 03873?
ZIP code 03873 is in Sandown, NH, in Rockingham County.
What county is ZIP code 03873 in?
03873 is mainly in Rockingham County, New Hampshire.
What is the population of ZIP code 03873?
About 6,628 people live in ZIP code 03873, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 03873 in?
03873 is in Eastern Time (UTC−5). It observes daylight saving time.