ZIP Code 03840
standardSource:
Greenland · Rockingham County · New Hampshire
- Population
- 3,566
- Median income
- $162,837
- Median home value
- $662,800
- Bachelor's or higher
- 59.6%
- Land area
- 27.2 sq mi
131/sq mi
▲ 113% vs US
higher than 97% of US ZIPs
▲ 138% vs US
higher than 93% of US ZIPs
Median age 48.4
New York
ZIP code 03840 in Greenland, New Hampshire has a population of 3,566. The median household income is $162,837, which is 113% above the national average. Median home value is $662,800, 138% above the US average. 59.6% of residents hold a bachelor's degree or higher.
ZIP code 03840 is classified by USPS as a standard delivery area and covers roughly 27.2 square miles in Greenland, Rockingham County, New Hampshire. The area is home to 3,566 residents, producing a population density of 131 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 03840 against New Hampshire and the nation.
On the economic side, the median household income for ZIP 03840 sits at $162,837 (59% above the New Hampshire average), while per-capita income is $83,889. The poverty rate stands at 0.5% and the unemployment rate at 2.3%. On housing, the median home value is $662,800 (64% above the state average) with median rent at $2,331 per month, and 93.3% of occupied units are owner-occupied, a direct signal of whether 03840 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 59.6% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is 21 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Rockingham County, so you can benchmark 03840 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 03840
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 03840.
- Construction
Construction
29 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
22 establishments
- Retail trade
Retail trade
19 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
14 establishments
- Health care and social assistance
Health care and social assistance
14 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 03840, Greenland, 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
3,566
Population
27.2
Area (sq mi)
131
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 03840?
48.4
Median Age
50.0%
Male
50.0%
Female
4.5%
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?
$162,837
Median Household Income
+59% vs state
$83,889
Per Capita Income
0.5%
Poverty Rate
2.3%
Unemployment Rate
20.6 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?
1,702
Total Housing Units
1,635
Occupied Units
67
Vacant Units
2.50
Avg Household Size
Occupancy Type
$662,800
Median Home Value
+64% vs state
$2,331
Median Rent
1987
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
+9.6%
YoY Change (2024)
276
HPI Index (2000 = 100)
+176%
Total Change Since 2000
Home values in ZIP 03840 have increased 9.6% over the past year (2024). Since 2000, this ZIP has seen +176% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +4.1% | 173 |
| 2020 | +4.4% | 180 |
| 2021 | +10.1% | 199 |
| 2022 | +9.6% | 218 |
| 2024 | — | 276 |
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 158 business establishments in ZIP 03840, employing approximately 1,955 people with a combined annual payroll of $130,613,000.
158
Businesses
1,955
Employees
$130.6M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 29 | 18.4% |
| Administrative and support and waste management and remediation services | 22 | 13.9% |
| Retail trade | 19 | 12.0% |
| Professional, scientific, and technical services | 14 | 8.9% |
| Health care and social assistance | 14 | 8.9% |
| Other services (except public administration) | 14 | 8.9% |
| Accommodation and food services | 10 | 6.3% |
| Wholesale trade | 9 | 5.7% |
| Real estate and rental and leasing | 6 | 3.8% |
| Manufacturing | 5 | 3.2% |
| Transportation and warehousing | 5 | 3.2% |
| Information | 3 | 1.9% |
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 03840 vs 03885 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 03885 | Stratham, NH | 7,261 | 3.1 mi |
| 03862 | North Hampton, NH | 4,278 | 4.2 mi |
| 03801 | Portsmouth, NH | 21,532 | 3.2 mi |
| 03842 | Hampton, NH | 15,345 | 6.9 mi |
| 03870 | Rye, NH | 5,162 | 4.7 mi |
| 03856 | Newfields, NH | 1,680 | 6.0 mi |
| 03871 | Rye Beach, NH | 136 | 5.4 mi |
| 03857 | Newmarket, NH | 9,006 | 5.7 mi |
| 03844 | Hampton Falls, NH | 2,238 | 7.9 mi |
| 03824 | Durham, NH | 14,638 | 6.5 mi |
More ZIP Codes in Rockingham County
Related Areas
Frequently Asked Questions
What county is ZIP code 03840 in? ▼
What is the population of ZIP code 03840? ▼
What is the median household income in ZIP 03840? ▼
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What is the demographic makeup of ZIP 03840? ▼
How many businesses are in ZIP code 03840? ▼
What are the main industries in ZIP code 03840? ▼
How have home values changed in ZIP code 03840? ▼
What is the education level in ZIP code 03840? ▼
What is the average commute time in ZIP 03840? ▼
What percentage of residents own vs. rent in ZIP 03840? ▼
What is the poverty rate in ZIP code 03840? ▼
ZIP Code Research Guides
Official Data Resources for Greenland, 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.