03750 ZIP Code — Etna, NH

Grafton County, New Hampshire

ZIP code 03750 is located in Etna, New Hampshire, within Grafton County. It covers approximately 15.79 square miles and serves a population of 1,035 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03750

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $752,300. Owner-occupancy is high at 91%, well above the national average.

Median household income is $207,625.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is high — 85% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03750 reflects a community defined by a highly educated population and high homeownership.

1,035

population

15.79

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03750 ZIP code map

Cities in ZIP code 03750

Below are the cities the US Postal Service accepts for ZIP code 03750. Using any city not on this list may result in mail delivery delays.

City	Status
Etna	Preferred

Nearby ZIP codes

03755 Hanover (0.6 mi) 03756 Lebanon (4.1 mi) 05055 Norwich (5.3 mi) 03766 Lebanon (5.5 mi) 05009 White River Junction (7.1 mi) 05043 East Thetford (7.2 mi) 03748 Enfield (8.1 mi) 03768 Lyme (8.8 mi) 05001 White River Junction (9.4 mi) 03741 Canaan (9.9 mi) 05075 Thetford Center (9.9 mi) 05052 North Hartland (10.7 mi)

Demographics updated 05/2026

Population
Total population	1,035
Population density	66 / sq mi
State FIPS	33
County FIPS	009

Geography
Land area	15.79 sq mi
Water area	0.15 sq mi
Latitude	43.7132
Longitude	-72.2081
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.7%	37.5%	31.0%
$50k – $100k	10.2%	32.1%	31.2%
$100k – $200k	50.5%	21.7%	28.1%
Over $200k	27.6%	8.6%	9.7%

Demographics & statistics

1,035

Population

People per sq mi

38.5

Median age

$207,625

Median household income

$71,336

Per capita income

$752,300

Median home value

Median monthly rent

90.6%

Home ownership

0.9%

Poverty rate

0.0%

Unemployment

373

Housing units

85.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

115

5–9

10–14

15–19

25–34

131

35–44

113

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	433	41.8%
18 and over	602	58.2%
65 and over	108	10.4%
Median age	38.5 years

Race & ethnicity

White 86.5%

Two or more races 7.8%

Hispanic or Latino 4.4%

Asian 0.6%

Native Hawaiian / Pacific Islander 0.6%

Group	Count	%
White	937	86.5%
Two or more races	84	7.8%
Hispanic or Latino	48	4.4%
Asian	7	0.6%
Native Hawaiian / Pacific Islander	7	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.7%	37.5%	31.0%
$50k – $100k	10.2%	32.1%	31.2%
$100k – $200k	50.5%	21.7%	28.1%
Over $200k	27.6%	8.6%	9.7%

Under $10k 2.9%

$15k–$25k 9.4%

$35k–$50k 2.9%

$50k–$75k 3.3%

$100k–$150k 16.9%

$150k–$200k 14.3%

$200k+ 50.2%

Range	% of households
Under $10k	2.9%
$15k–$25k	9.4%
$35k–$50k	2.9%
$50k–$75k	3.3%
$100k–$150k	16.9%
$150k–$200k	14.3%
$200k+	50.2%
Median income	$207,625

Housing

Home values

Under $50k 3.2%

$300k–$500k 18.0%

$500k–$1M 68.0%

$1M+ 10.8%

Housing overview

Metric	Value
Median home value	$752,300
Median rent / month	$0
Owner occupied	90.6%
Renter occupied	9.4%
Vacant	23.6%
Single-family detached	97.5%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.8
Avg household size (owned)	3.22

Year built

Era	%
2020 or later	0.0%
2010–2019	6.2%
2000–2009	8.2%
1990–1999	5.0%
1980–1989	20.9%
1970–1979	17.4%
1960–1969	8.5%
1950–1959	3.0%
1940–1949	6.5%
1939 or earlier	24.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.5%
2 bedrooms	9.5%
3 bedrooms	36.3%
4 bedrooms	42.5%
5+ bedrooms	5.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	17.6%
2 vehicles	57.3%
3 or more	25.1%

Heating fuel

Fuel type	%
Utility gas	3.3%
Electricity	1.6%
Propane / LP gas	25.4%
Fuel oil	59.0%
Wood	10.7%

Households & families

Household type	Count	%
Married-couple family	218	71.0%
Cohabiting couple	42	13.7%
Male householder, no spouse	38	12.4%
Female householder, no spouse	9	2.9%
Households with children under 18	175	57.0%
Households with seniors (65+)	78	25.4%
Average household size	3.37

Marital status

Status	Male	Female
Never married	10.9%	7.1%
Married	70.4%	73.3%
Separated	0.0%	0.0%
Widowed	2.9%	3.0%
Divorced	15.8%	16.6%

Education

Less than 9th grade 1.5%

Some HS, no diploma 1.7%

HS graduate 5.5%

Some college, no degree 3.2%

Associate's degree 3.0%

Bachelor's degree 25.4%

Graduate / professional 59.8%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	85.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	9	2.6%
Kindergarten	49	14.2%
Elementary school	212	61.4%
High school	63	18.3%
College / grad school	12	3.5%

Employment

Industry of employment

Education & healthcare 35.7%

Professional & management 24.1%

Manufacturing 9.9%

Arts, food & hospitality 8.4%

Agriculture & mining 6.8%

Retail trade 5.5%

Other services 5.5%

Information 2.5%

Finance & real estate 1.7%

Occupation

Category	%
Management, business & arts	81.4%
Service	1.5%
Sales & office	12.9%
Natural resources & construction	0.0%
Production & transportation	4.2%

Employment type

Type	%
Private sector	85.7%
Government	7.2%
Self-employed	7.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	67.9%
Carpool	11.9%
Public transit	0.0%
Walk	1.7%
Work from home	18.5%
Other means	0.0%
Avg commute (minutes)	18.4

Poverty

All people 0.9%

Under 18 years 0.0%

18 and over 1.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	26.1%
Retirement income	23.5%
Supplemental Security	2.9%
Cash public assistance	3.3%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	28.3%
High blood pressure	26.6%
High cholesterol	31.6%
Diabetes	7.6%
Heart disease	5.2%
Stroke	2.1%
Asthma	9.4%
Arthritis	24.4%
Kidney disease	2.4%
Pulmonary disease	4.2%
Cancer	8.2%

Behavior / access	%
Smoking	7.8%
Binge drinking	14.9%
No physical activity	11.7%
Less than 7 hrs sleep	25.7%
Depression	19.5%
Fair or poor health	7.7%
Poor mental health	10.4%
Poor physical health	7.2%
No health insurance	5.7%
Visited doctor (checkup)	76.4%
Visited dentist	78.5%
Cholesterol screening	95.4%
Teeth loss	5.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	35	5.8%

Disability	%
Any disability	1.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	9.3%

Health insurance coverage

Type	%
Private insurance	94.1%
Public insurance	11.3%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	957	92.5%
Spanish	9	0.9%
Other Indo-European	0	0.0%
Asian & Pacific Islander	9	0.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	993	95.9%
Born in same state	959	92.7%
Born in different state	356	34.4%
Foreign born	34	3.3%
Naturalized citizen	42	4.1%
Not a US citizen	16	38.1%

Ancestry

Ancestry	Count	%
French	264	25.5%
Italian	145	14%
English	44	4.3%

Ancestry	Count	%
German	36	3.5%
Norwegian	10	1%
Dutch	9	0.9%

Technology access

Metric	% of households
Computer access	29.7%
Internet access	97.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 03750

What city is ZIP code 03750 in?

ZIP code 03750 is primarily assigned to Etna, New Hampshire.

What county is ZIP code 03750 in?

ZIP code 03750 falls within Grafton County, New Hampshire.

How educated is the population of ZIP code 03750?

85% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 03750 family-oriented?

42% of residents in ZIP code 03750 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 03750 mostly owner-occupied?

91% of occupied units in ZIP code 03750 are owner-occupied, well above the national average.

What is the median household income in ZIP code 03750?

The median household income in ZIP code 03750 is $207,625, above the national median of ~$75,000.

What timezone is ZIP code 03750 in?

ZIP code 03750 observes the EST timezone.