ZIP Code 03873
standardSource:
Sandown · Rockingham County · New Hampshire
- Population
- 5,711
- Median income
- $135,040
- Median home value
- $483,400
- Bachelor's or higher
- 34.1%
- Land area
- 34.5 sq mi
166/sq mi
▲ 77% vs US
higher than 94% of US ZIPs
▲ 74% vs US
higher than 86% of US ZIPs
Median age 40.8
New York
ZIP code 03873 in Sandown, New Hampshire has a population of 5,711. The median household income is $135,040, which is 77% above the national average. Median home value is $483,400, 74% above the US average. 34.1% of residents hold a bachelor's degree or higher.
ZIP code 03873 is classified by USPS as a standard delivery area and covers roughly 34.5 square miles in Sandown, Rockingham County, New Hampshire. The area is home to 5,711 residents, producing a population density of 166 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 03873 against New Hampshire and the nation.
On the economic side, the median household income for ZIP 03873 sits at $135,040 (32% above the New Hampshire average), while per-capita income is $55,640. The poverty rate stands at 10.8% and the unemployment rate at 4.9%. On housing, the median home value is $483,400 (19% above the state average) with median rent at $1,893 per month, and 82.5% of occupied units are owner-occupied, a direct signal of whether 03873 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 34.1% of adults hold a bachelor's degree or higher, the median age is 40.8, and the average commute is 33 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Rockingham County, so you can benchmark 03873 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 03873
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 03873.
- Construction
Construction
27 establishments
- Professional, scientific, and technical services 8
Professional, scientific, and technical services
8 establishments
- Other services (except public administration) 8
Other services (except public administration)
8 establishments
- Administrative and support and waste management and remediation services 7
Administrative and support and waste management and remediation services
7 establishments
- Manufacturing 5
Manufacturing
5 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 03873, Sandown, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
5,711
Population
34.5
Area (sq mi)
166
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 03873?
40.8
Median Age
43.9%
Male
56.1%
Female
4.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$135,040
Median Household Income
+32% vs state
$55,640
Per Capita Income
10.8%
Poverty Rate
4.9%
Unemployment Rate
33.4 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
2,398
Total Housing Units
2,348
Occupied Units
50
Vacant Units
2.82
Avg Household Size
Occupancy Type
$483,400
Median Home Value
+19% vs state
$1,893
Median Rent
1986
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+11.2%
YoY Change (2024)
303
HPI Index (2000 = 100)
+203%
Total Change Since 2000
Home values in ZIP 03873 have increased 11.2% over the past year (2024). Since 2000, this ZIP has seen +203% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.0% | 188 |
| 2021 | +12.8% | 213 |
| 2022 | +18.3% | 252 |
| 2023 | +8.2% | 272 |
| 2024 | +11.2% | 303 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 72 business establishments in ZIP 03873, employing approximately 310 people with a combined annual payroll of $13,650,000.
72
Businesses
310
Employees
$13.7M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 27 | 37.5% |
| Professional, scientific, and technical services | 8 | 11.1% |
| Other services (except public administration) | 8 | 11.1% |
| Administrative and support and waste management and remediation services | 7 | 9.7% |
| Manufacturing | 5 | 6.9% |
| Arts, entertainment, and recreation | 4 | 5.6% |
| Retail trade | 3 | 4.2% |
| Health care and social assistance | 3 | 4.2% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 03873 vs 03841 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 03841 | Hampstead, NH | 6,334 | 3.5 mi |
| 03819 | Danville, NH | 4,377 | 3.1 mi |
| 03826 | East Hampstead, NH | 2,470 | 4.1 mi |
| 03036 | Chester, NH | 4,782 | 4.2 mi |
| 03044 | Fremont, NH | 4,263 | 4.7 mi |
| 03077 | Raymond, NH | 10,155 | 6.9 mi |
| 03811 | Atkinson, NH | 6,753 | 6.8 mi |
| 03848 | Kingston, NH | 6,020 | 6.0 mi |
| 03038 | Derry, NH | 33,269 | 5.9 mi |
| 03865 | Plaistow, NH | 7,609 | 7.8 mi |
More ZIP Codes in Rockingham County
Related Areas
Frequently Asked Questions
What county is ZIP code 03873 in? ▼
What is the population of ZIP code 03873? ▼
What is the median household income in ZIP 03873? ▼
What is the average home value in ZIP 03873? ▼
What is the demographic makeup of ZIP 03873? ▼
How many businesses are in ZIP code 03873? ▼
What are the main industries in ZIP code 03873? ▼
How have home values changed in ZIP code 03873? ▼
What is the education level in ZIP code 03873? ▼
What is the average commute time in ZIP 03873? ▼
What percentage of residents own vs. rent in ZIP 03873? ▼
What is the poverty rate in ZIP code 03873? ▼
ZIP Code Research Guides
Official Data Resources for Sandown, NH
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.