US ZIP Code
03740

Bath, NH

Grafton County  ·  New Hampshire

● Active
👥 1,049 Population ↑ 47% since 2019
💰 $70,298 Median HH Income
▼ 8% below avg ↑ 2% since 2019
🎂 50.9 Median Age ↓ 5% since 2019
🏠 $219,200 Median Home Value
▼ 21% below avg ↑ 17% since 2019
🎓 44.7% College Grads
▲ 15% above avg
📊 4.9% Unemployment
≈ Avg ↓ 28% since 2019
ZIP Code Details
ZIP Code03740
CityBath
StateNew Hampshire (NH)
CountyGrafton County
Area Code603
Elevation688 ft
Latitude44.182955
Longitude-71.987011
TimezoneNew York (DST)
FIPS33009
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.4% (550) Female 47.6% (499) ♀

Race & Ethnicity

White: 96.5%Hispanic: 0.6%Other: 2.9%Race
White96.5%
Hispanic0.6%
Other2.9%

Age Breakdown

Under 5
2%
5–17
17%
18–24
2%
25–44
20%
45–64
30%
65+
16%

Key Indicators

Median Age50.9 yrs ↓ 5% since 2019
Avg Household Size2.45
Below Poverty7.7% ▼ 23% below avg
College Grads44.7% ▲ 15% above avg
Unemployment4.9% ≈ Avg
No HS Diploma7 (0.9%)
HS Graduate250 (32.1%)
Some College62 (7.9%)
Associates112 (14.4%)
Bachelors99 (12.7%)
Graduate Degree250 (32.1%)

Education

No HS: 0.9%HS Grad: 32.1%Some College: 7.9%Associates: 14.4%Bachelors: 12.7%Graduate: 32.1%Edu
No HS0.9%
HS Grad32.1%
Some College7.9%
Associates14.4%
Bachelors12.7%
Graduate32.1%
Housing & Income

Housing Tenure

Owner: 89.3%Renter: 10.7%Tenure
Owner89.3%
Renter10.7%

Home Value Distribution

Under $50k
8%
$50k–100k
8%
$100k–150k
11%
$150k–200k
16%
$200k–300k
26%
$300k–500k
23%
Over $500k
8%

Financials

Median HH Income$70,298 ▼ 8% below avg ↑ 2% since 2019
Median Home Value$219,200 ▼ 21% below avg ↑ 17% since 2019
Home/Income Ratio3.1x (nat avg ~3.5x)
Median Rent$1,289/mo ↑ 87% since 2019
Total Units495
Vacant Units66
Avg HH Size2.45

Income Distribution

Under $25k
15%
$25k–50k
23%
$50k–75k
16%
$75k–100k
9%
$100k–150k
23%
$150k–200k
6%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
85%
Public Transit
1%
Walked
6%
Work From Home
8%

Commute Time

Under 15 min
26%
15–30 min
34%
30–45 min
28%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
3%
1960s–1970s
16%
1980s–1990s
14%
2000+
66%

Summary

Total Units495
Vacant66
Owner Occupied89.3%
Renter Occupied10.7%
Avg HH Size2.45
Frequently Asked Questions
ZIP code 03740 is in Bath, NH, in Grafton County.
ZIP code 03740 is located in New Hampshire (NH).
ZIP code 03740 is in Grafton County, NH.
ZIP 03740 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 03740 is 1,049 people (ACS 2023).
The median household income in ZIP code 03740 is $70,298 (ACS 2023).
The median home value in ZIP 03740 is $219,200 (ACS 2023).
About ZIP Code 03740

ZIP code 03740 is located in Bath, New Hampshire, within Grafton County. With a population of 1,049, this is a sparsely populated ZIP code with a mature community — the median age is 50.9 years. Economically, 03740 is a solidly middle-class ZIP code: the median household income of $70,298 is near the national average.

Real estate in ZIP code 03740 represents an affordable housing market. The median home value of $219,200 is below the national average. Renters can expect to pay around $1,289 per month in median rent. Homeownership is strong here — 89.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 17% since 2019.

The population of 03740 is primarily White (96.47%). Residents are well-educated — 44.7% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 7.7%. Household income has grown by 2% since 2019.

The unemployment rate in 03740 stands at 4.9%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 03740 in Bath, NH is characterized as solidly middle-class, well-educated, a mature community, and predominantly owner-occupied. With 1,049 residents, a median household income of $70,298, and a median home value of $219,200, it offers a clear picture of life in this part of New Hampshire.