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New Hampshire ZIP Codes
Grafton County
Sugar Hill, NH
03586
03586 ZIP Code — Sugar Hill, NH
Grafton County, New Hampshire
ZIP code 03586 is located in
Sugar Hill ,
New Hampshire ,
within Grafton County .
It covers approximately 16.72 square miles and serves a population of
633 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 603 .
About ZIP code 03586
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 $455,700. Owner-occupancy is high at 94%, well above the national average.
The gap between median ($124,500) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 45% 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 19 minutes is near the national average.
Educational attainment is high — 55% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 03586 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.
03586 ZIP code map
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Cities in ZIP code 03586
Below are the cities the US Postal Service accepts for ZIP code 03586. Using any city not on this list may result in mail delivery delays.
Demographics
updated 05/2026
Population
Total population
633
Population density
38 / sq mi
State FIPS
33
County FIPS
009
Geography
Land area
16.72 sq mi
Water area
0.18 sq mi
Latitude
44.2201
Longitude
-71.8018
Timezone
Eastern (ET)
Area code
603
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
19.9%
37.5%
31.0%
$50k – $100k
29.5%
32.1%
31.2%
$100k – $200k
34.7%
21.7%
28.1%
Over $200k
15.9%
8.6%
9.7%
Demographics & statistics
$124,500
Median household income
$158,215
Per capita income
$455,700
Median home value
$1,031
Median monthly rent
55.0%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 68 10.7% 18 and over 565 89.3% 65 and over 192 30.3% Median age 60.4 years
Race & ethnicity
Native Hawaiian / Pacific Islander
0.8%
Group Count % White 597 92.8% Two or more races 19 3% Hispanic or Latino 10 1.6% Asian 6 0.9% Other race 6 0.9% Native Hawaiian / Pacific Islander 5 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
19.9%
37.5%
31.0%
$50k – $100k
29.5%
32.1%
31.2%
$100k – $200k
34.7%
21.7%
28.1%
Over $200k
15.9%
8.6%
9.7%
Range % of households Under $10k 2.0% $15k–$25k 5.6% $25k–$35k 3.6% $35k–$50k 6.0% $50k–$75k 6.3% $75k–$100k 15.1% $100k–$150k 23.8% $150k–$200k 12.7% $200k+ 25.0% Median income $124,500
Housing
Housing overview
Metric Value Median home value $455,700 Median rent / month $1,031 Owner occupied 94.0% Renter occupied 6.0% Vacant 43.9% Single-family detached 92.2% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 7.0 Avg household size (owned) 2.51
Year built
Era % 2020 or later 0.0% 2010–2019 1.6% 2000–2009 11.8% 1990–1999 9.1% 1980–1989 16.9% 1970–1979 9.6% 1960–1969 12.9% 1950–1959 0.9% 1940–1949 2.0% 1939 or earlier 35.2%
Bedrooms
Size % of units No bedroom (studio) 2.7% 1 bedroom 3.8% 2 bedrooms 6.5% 3 bedrooms 59.9% 4 bedrooms 20.7% 5+ bedrooms 6.5%
Vehicles per household
Vehicles % of households No vehicle 3.2% 1 vehicle 17.5% 2 vehicles 52.8% 3 or more 26.6%
Heating fuel
Fuel type % Electricity 4.8% Propane / LP gas 25.4% Fuel oil 57.1% Wood 12.7%
Households & families
Household type Count % Married-couple family 143 56.7% Cohabiting couple 9 3.6% Male householder, no spouse 28 11.1% Female householder, no spouse 72 28.6% Households with children under 18 36 14.3% Households with seniors (65+) 121 48.0% Average household size 2.51
Marital status
Status Male Female Never married 9.6% 39.9% Married 73.0% 44.2% Separated 1.3% 0.0% Widowed 3.0% 7.1% Divorced 13.0% 8.8%
Education
Some college, no degree
15.7%
Graduate / professional
38.7%
Metric % HS diploma or higher 95.7% Bachelor's or higher 55.0%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 3 3.5% Elementary school 40 46.5% High school 22 25.6% College / grad school 21 24.4%
Employment
Industry of employment
Education & healthcare
18.3%
Professional & management
14.6%
Arts, food & hospitality
9.0%
Finance & real estate
6.2%
Public administration
3.1%
Transportation & utilities
2.8%
Occupation
Category % Management, business & arts 63.2% Service 11.1% Sales & office 18.6% Natural resources & construction 5.0% Production & transportation 2.2%
Employment type
Type % Private sector 78.9% Government 13.9% Self-employed 7.1% Unpaid family workers 0.0%
Commute
Method % Drive alone 70.7% Carpool 7.3% Public transit 1.6% Walk 5.4% Work from home 13.2% Other means 1.9% Avg commute (minutes) 19.3
Poverty
Married-couple families
4.9%
Female-led households
0.0%
Income support
Source % of households Social Security 45.2% Retirement income 47.2% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 0.8%
Health indicators
Condition % Obesity 32.5% High blood pressure 32.0% High cholesterol 34.4% Diabetes 10.2% Heart disease 7.3% Stroke 3.1% Asthma 10.4% Arthritis 29.9% Kidney disease 3.0% Pulmonary disease 6.9% Cancer 8.8%
Behavior / access % Smoking 13.1% Binge drinking 13.9% No physical activity 17.2% Less than 7 hrs sleep 28.8% Depression 21.7% Fair or poor health 12.2% Poor mental health 12.6% Poor physical health 10.4% No health insurance 8.6% Visited doctor (checkup) 76.9% Visited dentist 70.4% Cholesterol screening 94.5% Teeth loss 9.8%
Veterans & disability
Veterans Count % Civilian veterans 35 6.2%
Disability % Any disability 4.7% Under 18 0.0% 18–64 years 1.9% 65 and over 12.0%
Health insurance coverage
Type % Private insurance 78.0% Public insurance 36.5% No insurance 4.1% Uninsured under 19 4.3%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 627 99.1% Spanish 3 0.5% Other Indo-European 0 0.0% Asian & Pacific Islander 3 0.5% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 623 98.4% Born in same state 622 98.3% Born in different state 151 23.9% Foreign born 1 0.2% Naturalized citizen 10 1.6% Not a US citizen 8 80.0%
Ancestry
Ancestry Count % Italian 142 22.4% French 132 20.9% German 29 4.6% Arab 23 3.6% Polish 16 2.5%
Ancestry Count % Dutch 8 1.3% English 5 0.8% Irish 2 0.3% Norwegian 2 0.3%
Technology access
Metric % of households Computer access 39.8% Internet access 94.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03586
What city is ZIP code 03586 in?
ZIP code 03586 is primarily assigned to Sugar Hill, New Hampshire.
What county is ZIP code 03586 in?
ZIP code 03586 falls within Grafton County, New Hampshire.
Does ZIP code 03586 have an older population?
30% of residents in ZIP code 03586 are 65 or older, above the national average of ~17%.
Is ZIP code 03586 mostly owner-occupied?
94% of occupied units in ZIP code 03586 are owner-occupied, well above the national average.
How educated is the population of ZIP code 03586?
55% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 03586 have a large retiree population?
45% of households in ZIP code 03586 receive Social Security income, suggesting a significant retiree or disability population.
What timezone is ZIP code 03586 in?
ZIP code 03586 observes the EST timezone.
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