PlainZIP

Grafton, NH · standard

ZIP Code 03240

Grafton County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,340
13/sq mi
$81,563
Median income
$267,300
Median home value
24.7%
Bachelor's or higher

The verdict

Grafton pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 36%
household income, US ZIPs
Top 39%
home value, US ZIPs
13
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03240 against every reporting US ZIP.

ZIP code 03240 is a sparsely populated ZIP (a standard USPS delivery area) in Grafton, Grafton County, New Hampshire, home to just 1,340 residents across 107.2 square miles, a density of 13 people per square mile, in the New York time zone.

ZIP 03240 lands in the middle-income range, with a median household income of $81,563 (20% below the New Hampshire average), while per-capita income is $37,423. Local economic indicators show a 7.7% poverty rate alongside 4.7% unemployment. Median home value sits at $267,300 (34% below the state average), median rent at $1,243 a month, and owner-occupancy at 83.1%.

Educational attainment sits below the national norm: 24.7% of adults hold a bachelor's degree or higher, the median age is 43.1, and the average commute is -. Beyond these figures, 6 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Grafton County, letting you compare 03240 to its immediate surroundings rather than a national baseline alone.

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 →

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 03240, Grafton, 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

1,340

Population

107.2

Area (sq mi)

13

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 03240?

43.1

Median Age

49.0%

Male

51.0%

Female

1.3%

Foreign-Born

White 88.8%
African American 0.0%
Asian 0.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.8%
Hispanic or Latino 6.9%

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?

$81,563

Median Household Income

-20% vs state

$37,423

Per Capita Income

7.7%

Poverty Rate

4.7%

Unemployment Rate

How ZIP 03240 ranks nationally

Grafton, NH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$81,563 Top 36% higher than 64% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 61.3%
Bachelor's Degree or Higher 24.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

689

Total Housing Units

534

Occupied Units

155

Vacant Units

2.54

Avg Household Size

Occupancy Type

Owner 83.1%
Renter 16.9%

$267,300

Median Home Value

-34% vs state

$1,243

Median Rent

1983

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 9 business establishments in ZIP 03240, employing approximately 13 people with a combined annual payroll of $581,000.

9

Businesses

13

Employees

$581K

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 4 44.4%

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 03240 vs 03741 →

ZIP 03240 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 03240 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 03240 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 03240 ranks #5 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
03741 Canaan, NH 4,208 7.0 mi
03284 Springfield, NH 999 6.5 mi
03230 Danbury, NH 1,231 6.1 mi
03748 Enfield, NH 4,762 7.2 mi
03287 Wilmot, NH 1,295 9.5 mi
03751 Georges Mills, NH 583 10.5 mi

More ZIP Codes in Grafton County

03755 standard
Hanover, NH
Pop: 10,538
03766 standard
Lebanon, NH
Pop: 8,958
03264 standard
Plymouth, NH
Pop: 7,468
03561 standard
Littleton, NH
Pop: 5,939
03222 standard
Bristol, NH
Pop: 5,353
03748 standard
Enfield, NH
Pop: 4,762

Related Areas

Grafton County Grafton, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03240 in? ▼
ZIP code 03240 (Grafton) is located in Grafton County, New Hampshire. Grafton County contains multiple ZIP codes, see the full list at /counties/grafton-nh.
What is the population of ZIP code 03240? ▼
ZIP code 03240 in Grafton, NH has a population of 1,340 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03240? ▼
The median household income in ZIP 03240 is $81,563, which is 7% above the national average of $76,288.
What is the average home value in ZIP 03240? ▼
The median home value in ZIP 03240 is $267,300, which is 4% below the national average of $278,155.
What is the demographic makeup of ZIP 03240? ▼
The largest racial group in ZIP 03240 is White at 88.8%. Hispanic or Latino residents make up 6.9% of the population.
How many businesses are in ZIP code 03240? ▼
ZIP code 03240 has 9 business establishments employing approximately 13 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 03240? ▼
In ZIP code 03240, 61.3% of residents aged 25+ have a high school diploma or higher, and 24.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 03240? ▼
In ZIP code 03240, approximately 83.1% of occupied housing units are owner-occupied and 16.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03240? ▼
The poverty rate in ZIP code 03240 is 7.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.