Sandown, NH · standard
ZIP Code 03873
Rockingham County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,711
- 166/sq mi High-density area
- $135,040
- Median income Above-median income area
- $483,400
- Median home value Above-median home value
- 34.1%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Sandown pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 6%
- household income, US ZIPs
- Top 14%
- home value, US ZIPs
- 166
- people per sq mi
- 83%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03873 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 03873 (Sandown, NH) rose +11.2% from 2023 to 2024. The all-transactions index moved from 272.2 in 2023 to 302.6 in 2024 (2000 = 100).
ZIP code 03873 is a mid-sized community (a standard USPS delivery area) in Sandown, Rockingham County, New Hampshire, home to 5,711 residents across 34.5 square miles, a density of 166 people per square mile, in the New York time zone.
ZIP 03873 skews affluent, with a median household income of $135,040 (32% above the average New Hampshire ZIP), while per-capita income is $55,640. The poverty rate is 10.8%, with unemployment at 4.9%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $483,400 (19% above the average New Hampshire ZIP), while 82.5% of occupied homes are owner-occupied and median rent is $1,893.
A solid share of residents have a four-year degree: 34.1% of adults hold a bachelor's degree or higher, the median age is 40.8, and the average commute is 33 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Rockingham County, so 03873 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 03873
Top 5 sectors by establishment count in Sandown, NH
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$55,640
Per Capita Income
10.8%
Poverty Rate
4.9%
Unemployment Rate
33.4 min
Mean Commute Time
How ZIP 03873 ranks among New Hampshire ZIPs
Sandown, NH household income vs. every New Hampshire ZIP code
Median household income among 236 reporting New Hampshire ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$135,040 Top 15% higher than 85% of 236 New Hampshire ZIPs
Each bar is a $20K-wide band; taller bars hold more New Hampshire ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
2,398housing units
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 ZIP avg
$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 03873 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03038
Derry (03038)
33,269 residents
- 03077 10,155
Raymond (03077)
10,155 residents
- 03865 7,609
Plaistow (03865)
7,609 residents
- 03811 6,753
Atkinson (03811)
6,753 residents
- 03841 6,334
Hampstead (03841)
6,334 residents
- 03848 6,020
Kingston (03848)
6,020 residents
- 03873 5,711
Sandown (03873)
5,711 residents
- 03036 4,782
Chester (03036)
4,782 residents
- 03819 4,377
Danville (03819)
4,377 residents
What this shows Among its immediate neighbors, ZIP 03873 ranks #7 by population - useful context the national average alone can't give.
ZIP 03873 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03811
Atkinson (03811)
$146,380 median income
- 03036
Chester (03036)
$142,212 median income
- 03873
Sandown (03873)
$135,040 median income
- 03826
East Hampstead (03826)
$121,184 median income
- 03044
Fremont (03044)
$120,781 median income
- 03819
Danville (03819)
$112,335 median income
- 03038
Derry (03038)
$108,322 median income
- 03865
Plaistow (03865)
$108,317 median income
- 03848
Kingston (03848)
$105,330 median income
What this shows By household income, ZIP 03873 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 03873, both outside NH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (5,711 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Rockingham County
Related Areas
Frequently Asked Questions
What county is ZIP code 03873 in?
ZIP code 03873 (Sandown) is located in Rockingham County, New Hampshire. Rockingham County contains multiple ZIP codes, see the full list at /counties/rockingham-nh.
What is the population of ZIP code 03873?
ZIP code 03873 in Sandown, NH has a population of 5,711 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03873?
The median household income in ZIP 03873 is $135,040, which is 77% above the national average of $76,288.
What is the average home value in ZIP 03873?
The median home value in ZIP 03873 is $483,400, which is 74% above the national average of $278,155.
What is the demographic makeup of ZIP 03873?
The largest racial group in ZIP 03873 is White at 95.0%. Hispanic or Latino residents make up 1.2% of the population.
How many businesses are in ZIP code 03873?
ZIP code 03873 has 72 business establishments employing approximately 310 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03873?
The top industries by establishment count in ZIP 03873 are: Construction (27), Professional, scientific, and technical services (8), Other services (except public administration) (8). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 03873?
According to the FHFA House Price Index, home values in ZIP 03873 increased by 11.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 203%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 03873?
In ZIP code 03873, 64.4% of residents aged 25+ have a high school diploma or higher, and 34.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 03873?
The mean commute time for workers in ZIP code 03873 is 33.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 03873?
In ZIP code 03873, approximately 82.5% of occupied housing units are owner-occupied and 17.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03873?
The poverty rate in ZIP code 03873 is 10.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 03873's numbers, next.
- See how ZIP 03873 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sandown, NH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.