03057 ZIP Code — Mont Vernon, NH

Hillsborough County, New Hampshire

ZIP code 03057 is located in Mont Vernon, New Hampshire, within Hillsborough County. It covers approximately 17.90 square miles and serves a population of 2,607 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03057

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $436,500. Owner-occupancy is high at 90%, well above the national average.

The gap between median ($156,389) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 50% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03057 reflects a community defined by high homeownership and a high rate of remote workers.

2,607

population

17.90

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03057 ZIP code map

Cities in ZIP code 03057

Below are the cities the US Postal Service accepts for ZIP code 03057. Using any city not on this list may result in mail delivery delays.

City	Status
Mont Vernon	Acceptable
Mont Vernon	Preferred

Nearby ZIP codes

03031 Amherst (4.4 mi) 03082 Lyndeborough (4.5 mi) 03070 New Boston (5.3 mi) 03055 Milford (5.6 mi) 03086 Wilton (6.5 mi) 03043 Francestown (9.3 mi) 03054 Merrimack (9.4 mi) 03084 Temple (9.9 mi) 03047 Greenfield (9.9 mi) 03045 Goffstown (10.3 mi) 03033 Brookline (10.4 mi) 03048 Greenville (10.9 mi)

Demographics updated 05/2026

Population
Total population	2,607
Population density	146 / sq mi
State FIPS	33
County FIPS	011

Geography
Land area	17.90 sq mi
Water area	0.10 sq mi
Latitude	42.8992
Longitude	-71.6882
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	20.0%	29.3%	31.0%
$50k – $100k	23.0%	29.8%	31.2%
$100k – $200k	31.8%	30.5%	28.1%
Over $200k	25.2%	10.5%	9.7%

Demographics & statistics

2,607

Population

146

People per sq mi

43.8

Median age

$156,389

Median household income

$63,325

Per capita income

$436,500

Median home value

$1,713

Median monthly rent

89.5%

Home ownership

4.5%

Poverty rate

1.6%

Unemployment

883

Housing units

49.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

111

20–24

134

25–34

121

154

35–44

138

278

45–54

251

55–59

60–64

160

65–74

144

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	551	21.1%
18 and over	2,056	78.9%
65 and over	413	15.8%
Median age	43.8 years

Race & ethnicity

White 94.6%

Two or more races 3.6%

Hispanic or Latino 1%

Black or African American 0.5%

American Indian / Alaska Native 0.1%

Other race 0.1%

Group	Count	%
White	2,493	94.6%
Two or more races	95	3.6%
Hispanic or Latino	27	1%
Black or African American	14	0.5%
American Indian / Alaska Native	3	0.1%
Other race	2	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.0%	29.3%	31.0%
$50k – $100k	23.0%	29.8%	31.2%
$100k – $200k	31.8%	30.5%	28.1%
Over $200k	25.2%	10.5%	9.7%

Under $10k 1.9%

$10k–$15k 2.3%

$15k–$25k 3.3%

$35k–$50k 8.4%

$50k–$75k 7.2%

$75k–$100k 9.3%

$100k–$150k 15.6%

$150k–$200k 13.9%

$200k+ 38.1%

Range	% of households
Under $10k	1.9%
$10k–$15k	2.3%
$15k–$25k	3.3%
$35k–$50k	8.4%
$50k–$75k	7.2%
$75k–$100k	9.3%
$100k–$150k	15.6%
$150k–$200k	13.9%
$200k+	38.1%
Median income	$156,389

Housing

Home values

Under $50k 7.4%

$50k–$100k 0.5%

$100k–$150k 1.7%

$150k–$200k 0.7%

$200k–$300k 12.9%

$300k–$500k 39.7%

$500k–$1M 35.7%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$436,500
Median rent / month	$1,713
Owner occupied	89.5%
Renter occupied	10.5%
Vacant	11.8%
Single-family detached	87.6%
Large apartment buildings	0.6%
Mobile homes	8.1%
Median rooms	7.1
Avg household size (owned)	3.04

Year built

Era	%
2020 or later	0.8%
2010–2019	7.2%
2000–2009	20.9%
1990–1999	13.1%
1980–1989	14.4%
1970–1979	9.2%
1960–1969	8.8%
1950–1959	5.1%
1940–1949	3.1%
1939 or earlier	17.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.0%
2 bedrooms	13.5%
3 bedrooms	38.0%
4 bedrooms	27.5%
5+ bedrooms	11.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.3%
1 vehicle	13.3%
2 vehicles	40.7%
3 or more	41.7%

Heating fuel

Fuel type	%
Utility gas	0.9%
Electricity	5.0%
Propane / LP gas	41.5%
Fuel oil	43.1%
Wood	8.9%

Households & families

Household type	Count	%
Married-couple family	652	76.0%
Cohabiting couple	38	4.4%
Male householder, no spouse	83	9.7%
Female householder, no spouse	85	9.9%
Households with children under 18	320	37.3%
Households with seniors (65+)	265	30.9%
Average household size	3.04

Marital status

Status	Male	Female
Never married	33.6%	19.9%
Married	61.5%	67.5%
Separated	0.0%	1.5%
Widowed	1.1%	2.6%
Divorced	3.7%	8.4%

Education

Less than 9th grade 2.9%

Some HS, no diploma 3.9%

HS graduate 18.3%

Some college, no degree 17.4%

Associate's degree 7.8%

Bachelor's degree 31.3%

Graduate / professional 18.3%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	49.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	2.6%
Kindergarten	20	3.3%
Elementary school	253	41.5%
High school	173	28.4%
College / grad school	148	24.3%

Employment

Industry of employment

Professional & management 20.1%

Education & healthcare 17.6%

Manufacturing 14.0%

Construction 9.7%

Retail trade 9.0%

Finance & real estate 8.5%

Arts, food & hospitality 6.8%

Transportation & utilities 4.9%

Wholesale trade 3.9%

Other services 2.7%

Public administration 2.0%

Information 0.8%

Occupation

Category	%
Management, business & arts	48.2%
Service	13.2%
Sales & office	18.9%
Natural resources & construction	9.2%
Production & transportation	10.4%

Employment type

Type	%
Private sector	79.9%
Government	8.7%
Self-employed	11.0%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	72.6%
Carpool	3.5%
Public transit	0.6%
Walk	0.6%
Work from home	22.0%
Other means	0.6%
Avg commute (minutes)	35.6

Poverty

All people 4.5%

Under 18 years 1.8%

18 and over 5.2%

Married-couple families 3.2%

Female-led households 20.3%

Income support

Source	% of households
Social Security	28.2%
Retirement income	26.5%
Supplemental Security	1.4%
Cash public assistance	1.9%
Food stamps / SNAP	4.4%

Health indicators

Condition	%
Obesity	29.5%
High blood pressure	28.7%
High cholesterol	29.5%
Diabetes	8.0%
Heart disease	5.2%
Stroke	2.2%
Asthma	11.0%
Arthritis	23.8%
Kidney disease	2.2%
Pulmonary disease	5.1%
Cancer	6.6%

Behavior / access	%
Smoking	12.8%
Binge drinking	18.3%
No physical activity	17.4%
Less than 7 hrs sleep	32.2%
Depression	20.8%
Fair or poor health	9.7%
Poor mental health	13.2%
Poor physical health	8.6%
No health insurance	8.1%
Visited doctor (checkup)	72.8%
Visited dentist	74.5%
Cholesterol screening	92.7%
Teeth loss	9.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	113	5.5%

Disability	%
Any disability	8.2%
Under 18	1.3%
18–64 years	7.4%
65 and over	20.6%

Health insurance coverage

Type	%
Private insurance	81.7%
Public insurance	21.6%
No insurance	5.8%
Uninsured under 19	3.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,481	95.2%
Spanish	49	2.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	49	2.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,418	92.8%
Born in same state	2,397	91.9%
Born in different state	948	36.4%
Foreign born	21	0.8%
Naturalized citizen	189	7.2%
Not a US citizen	148	78.3%

Ancestry

Ancestry	Count	%
French	543	20.8%
Italian	412	15.8%
German	205	7.9%
Arab	68	2.6%
English	62	2.4%

Ancestry	Count	%
Polish	45	1.7%
Dutch	17	0.7%
Irish	16	0.6%
Norwegian	3	0.1%

Technology access

Metric	% of households
Computer access	32.9%
Internet access	100.0%

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

Frequently asked questions about ZIP code 03057

What city is ZIP code 03057 in?

ZIP code 03057 is primarily assigned to Mont Vernon, New Hampshire.

What county is ZIP code 03057 in?

ZIP code 03057 falls within Hillsborough County, New Hampshire.

Is ZIP code 03057 mostly owner-occupied?

90% of occupied units in ZIP code 03057 are owner-occupied, well above the national average.

How educated is the population of ZIP code 03057?

50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 03057?

The median household income in ZIP code 03057 is $156,389, above the national median of ~$75,000.

What is the typical home value in ZIP code 03057?

The median home value in ZIP code 03057 is $436,500.

What timezone is ZIP code 03057 in?

ZIP code 03057 observes the EST timezone.