Greenland, NH · standard
ZIP Code 03840
Rockingham County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,566
- 131/sq mi High-density area
- $162,837
- Median income Above-median income area
- $662,800
- Median home value Above-median home value
- 59.6%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Greenland pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 3%
- household income, US ZIPs
- Top 7%
- home value, US ZIPs
- 131
- people per sq mi
- 93%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03840 against every reporting US ZIP.
ZIP code 03840 covers 27.2 square miles in Greenland, Rockingham County, New Hampshire (a standard USPS delivery area), with a modest 3,566 residents on file, a density of 131 people per square mile, in the New York time zone.
ZIP 03840 skews affluent, with a median household income of $162,837 (59% above the average New Hampshire ZIP), while per-capita income is $83,889. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.5% and unemployment is 2.3%. Housing is both higher-cost and owner-heavy: median home value is $662,800 (64% above the average New Hampshire ZIP), while 93.3% of occupied homes are owner-occupied and median rent is $2,331.
This is a highly-educated ZIP: 59.6% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is 21 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Rockingham County, so 03840 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 03840
Top 5 sectors by establishment count in Greenland, NH
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$83,889
Per Capita Income
0.5%
Poverty Rate
2.3%
Unemployment Rate
20.6 min
Mean Commute Time
How ZIP 03840 ranks among New Hampshire ZIPs
Greenland, 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)
$162,837 Top 6% higher than 94% 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
1,702housing units
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 ZIP avg
$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 03840 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03801
Portsmouth (03801)
21,532 residents
- 03842
Hampton (03842)
15,345 residents
- 03824
Durham (03824)
14,638 residents
- 03857
Newmarket (03857)
9,006 residents
- 03885 7,261
Stratham (03885)
7,261 residents
- 03870 5,162
Rye (03870)
5,162 residents
- 03862 4,278
North Hampton (03862)
4,278 residents
- 03840 3,566
Greenland (03840)
3,566 residents
- 03844 2,238
Hampton Falls (03844)
2,238 residents
What this shows Among its immediate neighbors, ZIP 03840 ranks #8 by population - useful context the national average alone can't give.
ZIP 03840 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 03856
Newfields (03856)
$197,885 median income
- 03844
Hampton Falls (03844)
$165,509 median income
- 03840
Greenland (03840)
$162,837 median income
- 03885
Stratham (03885)
$151,998 median income
- 03862
North Hampton (03862)
$144,583 median income
- 03871
Rye Beach (03871)
$142,115 median income
- 03870
Rye (03870)
$140,938 median income
- 03824
Durham (03824)
$124,056 median income
- 03801
Portsmouth (03801)
$106,756 median income
What this shows By household income, ZIP 03840 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 03840, 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 (3,566 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 03840 in?
ZIP code 03840 (Greenland) 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 03840?
ZIP code 03840 in Greenland, NH has a population of 3,566 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03840?
The median household income in ZIP 03840 is $162,837, which is 113% above the national average of $76,288.
What is the average home value in ZIP 03840?
The median home value in ZIP 03840 is $662,800, which is 138% above the national average of $278,155.
What is the demographic makeup of ZIP 03840?
The largest racial group in ZIP 03840 is White at 95.4%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 03840?
ZIP code 03840 has 158 business establishments employing approximately 1,955 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03840?
The top industries by establishment count in ZIP 03840 are: Construction (29), Administrative and support and waste management and remediation services (22), Retail trade (19). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 03840?
According to the FHFA House Price Index, home values in ZIP 03840 increased by 9.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 176%. 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 03840?
In ZIP code 03840, 77.5% of residents aged 25+ have a high school diploma or higher, and 59.6% 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 03840?
The mean commute time for workers in ZIP code 03840 is 20.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 03840?
In ZIP code 03840, approximately 93.3% of occupied housing units are owner-occupied and 6.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03840?
The poverty rate in ZIP code 03840 is 0.5% 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 03840's numbers, next.
- See how ZIP 03840 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Greenland, 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.