03771 ZIP Code — Monroe, NH

Grafton County, New Hampshire

ZIP code 03771 is located in Monroe, New Hampshire, within Grafton County. It covers approximately 22.34 square miles and serves a population of 856 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03771

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $241,800. Owner-occupancy is high at 92%, well above the national average.

Median household income is $78,958. The poverty rate of 5% is below the national average. 46% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 03771 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

856
population
22.34
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03771 ZIP code map
Cities in ZIP code 03771

Below are the cities the US Postal Service accepts for ZIP code 03771. Using any city not on this list may result in mail delivery delays.

City Status
Monroe Preferred
Nearby ZIP codes
05821 Barnet (5.1 mi) 05042 East Ryegate (6.8 mi) 03740 Bath (6.8 mi) 03585 Lisbon (6.8 mi) 03561 Littleton (10.2 mi) 05081 Wells River (10.4 mi) 05819 Saint Johnsbury (10.4 mi) 05069 South Ryegate (11.8 mi) 05862 Peacham (11.8 mi) 03774 North Haverhill (12.9 mi) 05046 Groton (13.2 mi) 05824 Concord (13.5 mi)
Demographics updated 05/2026
Population
Total population 856
Population density 38 / sq mi
State FIPS 33
County FIPS 009
Geography
Land area 22.34 sq mi
Water area 1.49 sq mi
Latitude 44.2743
Longitude -71.9990
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 32.6% 37.5% 31.0%
$50k – $100k 40.0% 32.1% 31.2%
$100k – $200k 22.6% 21.7% 28.1%
Over $200k 4.7% 8.6% 9.7%

Demographics & statistics

856
Population
38
People per sq mi
50.7
Median age
$78,958
Median household income
$37,116
Per capita income
$241,800
Median home value
$875
Median monthly rent
91.6%
Home ownership
4.9%
Poverty rate
8.6%
Unemployment
334
Housing units
22.2%
Bachelor's or higher

Age distribution

Male Female
11
Under 5
8
57
5–9
42
16
10–14
11
20
15–19
14
17
20–24
12
46
25–34
34
53
35–44
38
63
45–54
45
43
55–59
32
44
60–64
32
77
65–74
56
36
75–84
26
13
85+
10
← Male
Female →

Age summary

GroupCount%
Under 1817720.7%
18 and over67979.3%
65 and over21825.5%
Median age50.7 years

Race & ethnicity

White 99.1%
Hispanic or Latino 0.5%
Two or more races 0.5%
GroupCount%
White85299.1%
Hispanic or Latino40.5%
Two or more races40.5%

Household income

Income range This ZIP County avg State avg
Under $50k 32.6% 37.5% 31.0%
$50k – $100k 40.0% 32.1% 31.2%
$100k – $200k 22.6% 21.7% 28.1%
Over $200k 4.7% 8.6% 9.7%
Under $10k 1.2%
$10k–$15k 4.8%
$15k–$25k 9.3%
$25k–$35k 7.2%
$35k–$50k 7.8%
$50k–$75k 16.7%
$75k–$100k 21.5%
$100k–$150k 14.6%
$150k–$200k 10.7%
$200k+ 6.3%
Range% of households
Under $10k1.2%
$10k–$15k4.8%
$15k–$25k9.3%
$25k–$35k7.2%
$35k–$50k7.8%
$50k–$75k16.7%
$75k–$100k21.5%
$100k–$150k14.6%
$150k–$200k10.7%
$200k+6.3%
Median income$78,958

Housing

Home values

Under $50k 8.8%
$50k–$100k 2.3%
$100k–$150k 6.5%
$150k–$200k 19.9%
$200k–$300k 33.2%
$300k–$500k 23.5%
$500k–$1M 5.9%

Housing overview

MetricValue
Median home value$241,800
Median rent / month$875
Owner occupied91.6%
Renter occupied8.4%
Vacant7.5%
Single-family detached84.5%
Large apartment buildings0.0%
Mobile homes9.7%
Median rooms5.8
Avg household size (owned)2.63

Year built

Era%
2020 or later0.8%
2010–20195.5%
2000–20099.9%
1990–19999.7%
1980–198914.4%
1970–197927.9%
1960–19699.1%
1950–19591.4%
1940–19491.9%
1939 or earlier19.3%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom4.4%
2 bedrooms28.7%
3 bedrooms48.1%
4 bedrooms11.3%
5+ bedrooms5.2%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle31.0%
2 vehicles47.2%
3 or more21.8%

Heating fuel

Fuel type%
Utility gas0.6%
Electricity0.6%
Propane / LP gas19.1%
Fuel oil55.2%
Wood22.7%

Households & families

Household typeCount%
Married-couple family20561.2%
Cohabiting couple206.0%
Male householder, no spouse6017.9%
Female householder, no spouse5014.9%
Households with children under 188726.0%
Households with seniors (65+)14443.0%
Average household size2.56

Marital status

StatusMaleFemale
Never married29.3%14.0%
Married53.5%62.2%
Separated0.0%1.0%
Widowed1.5%7.9%
Divorced15.7%14.9%

Education

Less than 9th grade 11.6%
Some HS, no diploma 4.6%
HS graduate 41.2%
Some college, no degree 14.5%
Associate's degree 5.9%
Bachelor's degree 16.5%
Graduate / professional 5.7%
Metric%
HS diploma or higher83.8%
Bachelor's or higher22.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1614.7%
Kindergarten32.8%
Elementary school4238.5%
High school3532.1%
College / grad school1311.9%

Employment

Industry of employment

Education & healthcare 29.4%
Transportation & utilities 15.9%
Retail trade 11.3%
Agriculture & mining 8.9%
Manufacturing 8.1%
Other services 7.3%
Construction 4.9%
Arts, food & hospitality 4.0%
Public administration 4.0%
Professional & management 3.2%
Finance & real estate 2.4%
Wholesale trade 0.3%
Information 0.3%

Occupation

Category%
Management, business & arts28.6%
Service18.9%
Sales & office10.5%
Natural resources & construction17.0%
Production & transportation25.1%

Employment type

Type%
Private sector75.2%
Government18.3%
Self-employed5.4%
Unpaid family workers1.1%

Commute

Method%
Drive alone85.4%
Carpool5.9%
Public transit0.0%
Walk5.9%
Work from home2.4%
Other means0.5%
Avg commute (minutes)27.1

Poverty

All people 4.9%
Under 18 years 0.0%
18 and over 6.0%
Married-couple families 1.0%
Female-led households 0.0%

Income support

Source% of households
Social Security46.0%
Retirement income29.9%
Supplemental Security9.3%
Cash public assistance0.9%
Food stamps / SNAP7.2%

Health indicators

Condition%
Obesity34.0%
High blood pressure33.2%
High cholesterol34.0%
Diabetes10.9%
Heart disease8.0%
Stroke3.6%
Asthma10.8%
Arthritis30.8%
Kidney disease3.3%
Pulmonary disease8.2%
Cancer8.7%
Behavior / access%
Smoking16.3%
Binge drinking14.5%
No physical activity20.1%
Less than 7 hrs sleep30.1%
Depression22.8%
Fair or poor health14.6%
Poor mental health13.7%
Poor physical health11.7%
No health insurance10.9%
Visited doctor (checkup)76.0%
Visited dentist65.1%
Cholesterol screening92.8%
Teeth loss14.0%

Veterans & disability

VeteransCount%
Civilian veterans9814.5%
Disability%
Any disability21.4%
Under 183.4%
18–64 years23.2%
65 and over32.1%

Health insurance coverage

Type%
Private insurance65.6%
Public insurance48.1%
No insurance7.5%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only83797.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)85299.5%
Born in same state83597.5%
Born in different state42049.1%
Foreign born172.0%
Naturalized citizen40.5%
Not a US citizen4100.0%

Ancestry

AncestryCount%
French15117.6%
German13015.2%
Italian10412.1%
Arab586.8%
AncestryCount%
English40.5%
Polish30.4%
Irish20.2%
Dutch20.2%

Technology access

Metric% of households
Computer access39.1%
Internet access82.7%

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

Frequently asked questions about ZIP code 03771

What city is ZIP code 03771 in?

ZIP code 03771 is primarily assigned to Monroe, New Hampshire.

What county is ZIP code 03771 in?

ZIP code 03771 falls within Grafton County, New Hampshire.

Is ZIP code 03771 mostly owner-occupied?

92% of occupied units in ZIP code 03771 are owner-occupied, well above the national average.

Does ZIP code 03771 have an older population?

26% of residents in ZIP code 03771 are 65 or older, above the national average of ~17%.

Does ZIP code 03771 have a large retiree population?

46% of households in ZIP code 03771 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 03771 have a large veteran population?

15% of civilians in ZIP code 03771 are veterans, above the national average of ~7%.

What timezone is ZIP code 03771 in?

ZIP code 03771 observes the EST timezone.

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