US ZIP Code
03753

Grantham, NH

Sullivan County  ·  New Hampshire

● Active
👥 3,478 Population ↑ 21% since 2019
💰 $113,317 Median HH Income
▲ 48% above avg ↑ 7% since 2019
🎂 50.9 Median Age ↑ 2% since 2019
🏠 $351,600 Median Home Value
▲ 26% above avg ↑ 19% since 2019
🎓 72.8% College Grads
▲ 88% above avg
📊 3.1% Unemployment
▼ 37% below avg
ZIP Code Details
ZIP Code03753
CityGrantham
StateNew Hampshire (NH)
CountySullivan County
Area Code603
Elevation983 ft
Latitude43.51659
Longitude-72.149093
TimezoneNew York (DST)
FIPS33019
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 45.2% (1,571) Female 54.8% (1,907) ♀

Race & Ethnicity

White: 99.6%Hispanic: 0.4%Race
White99.6%
Hispanic0.4%

Age Breakdown

Under 5
1%
5–17
20%
18–24
9%
25–44
9%
45–64
37%
65+
9%

Key Indicators

Median Age50.9 yrs ↑ 2% since 2019
Avg Household Size2.70
Below Poverty0.0% ▼ 100% below avg
College Grads72.8% ▲ 88% above avg
Unemployment3.1% ▼ 37% below avg
HS Graduate434 (17.8%)
Some College75 (3.1%)
Associates154 (6.3%)
Bachelors275 (11.3%)
Graduate Degree1,495 (61.4%)

Education

HS Grad: 17.8%Some College: 3.1%Associates: 6.3%Bachelors: 11.3%Graduate: 61.4%Edu
HS Grad17.8%
Some College3.1%
Associates6.3%
Bachelors11.3%
Graduate61.4%
Housing & Income

Housing Tenure

Owner: 100%Tenure
Owner100.0%

Home Value Distribution

$200k–300k
35%
$300k–500k
39%
Over $500k
26%

Financials

Median HH Income$113,317 ▲ 48% above avg ↑ 7% since 2019
Median Home Value$351,600 ▲ 26% above avg ↑ 19% since 2019
Home/Income Ratio3.1x (nat avg ~3.5x)
Total Units2,232
Vacant Units943
Avg HH Size2.70

Income Distribution

Under $25k
6%
$25k–50k
9%
$50k–75k
19%
$75k–100k
7%
$100k–150k
17%
$150k–200k
16%
Over $200k
26%
Employment & Commute

How People Get to Work

Drove Alone
87%
Work From Home
13%

Commute Time

Under 15 min
6%
15–30 min
54%
30–45 min
27%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
0%
1960s–1970s
25%
1980s–1990s
20%
2000+
55%

Summary

Total Units2,232
Vacant943
Owner Occupied100.0%
Renter Occupied0.0%
Avg HH Size2.70
Frequently Asked Questions
ZIP code 03753 is in Grantham, NH, in Sullivan County.
ZIP code 03753 is located in New Hampshire (NH).
ZIP code 03753 is in Sullivan County, NH.
ZIP 03753 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 03753 is 3,478 people (ACS 2023).
The median household income in ZIP code 03753 is $113,317 (ACS 2023).
The median home value in ZIP 03753 is $351,600 (ACS 2023).
About ZIP Code 03753

ZIP code 03753 is located in Grantham, New Hampshire, within Sullivan County. With a population of 3,478, this is a sparsely populated ZIP code with a mature community — the median age is 50.9 years. Economically, 03753 is a upper-middle-income ZIP code: the median household income of $113,317 is above the national average.

Real estate in ZIP code 03753 represents a mid-range housing market. The median home value of $351,600 is above the national average. Median home values have increased by 19% since 2019.

The population of 03753 is primarily White (99.60%). Residents are highly educated — 72.8% hold a bachelor's degree or higher, which is significantly above the national average. Household income has grown by 7% since 2019.

The unemployment rate in 03753 stands at 3.1%, which is below the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 03753 in Grantham, NH is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 3,478 residents, a median household income of $113,317, and a median home value of $351,600, it offers a clear picture of life in this part of New Hampshire.