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New Hampshire ZIP Codes
Carroll County
Silver Lake, NH
03875
03875 ZIP Code — Silver Lake, NH
Carroll County, New Hampshire
ZIP code 03875 is located in
Silver Lake ,
New Hampshire ,
within Carroll County .
It covers approximately 16.37 square miles and serves a population of
1,236 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 603 .
About ZIP code 03875
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 $330,800. Owner-occupancy is high at 91%, well above the national average.
Median household income is $94,911. The poverty rate of 5% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.
Educational attainment is near the national average, with 36% of residents holding a bachelor's degree or higher.
Overall, ZIP code 03875 reflects a community defined by high homeownership and a significant Social Security-dependent population.
03875 ZIP code map
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Cities in ZIP code 03875
Below are the cities the US Postal Service accepts for ZIP code 03875. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,236
Population density
76 / sq mi
State FIPS
33
County FIPS
003
Geography
Land area
16.37 sq mi
Water area
1.78 sq mi
Latitude
43.8778
Longitude
-71.1857
Timezone
Eastern (ET)
Area code
603
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.5%
37.9%
31.0%
$50k – $100k
48.6%
32.8%
31.2%
$100k – $200k
24.4%
22.6%
28.1%
Over $200k
10.5%
6.7%
9.7%
Demographics & statistics
$94,911
Median household income
$330,800
Median home value
$1,389
Median monthly rent
35.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 291 23.5%
18 and over 945 76.5%
65 and over 256 20.7%
Median age 47.4 years
Race & ethnicity
Group Count %
White 1,198 96.9%
Two or more races 34 2.8%
Asian 4 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.5%
37.9%
31.0%
$50k – $100k
48.6%
32.8%
31.2%
$100k – $200k
24.4%
22.6%
28.1%
Over $200k
10.5%
6.7%
9.7%
Range % of households
Under $10k 4.4%
$10k–$15k 2.0%
$15k–$25k 0.4%
$25k–$35k 13.1%
$35k–$50k 6.2%
$50k–$75k 7.6%
$75k–$100k 20.0%
$100k–$150k 17.1%
$150k–$200k 16.9%
$200k+ 12.2%
Median income $94,911
Housing
Housing overview
Metric Value
Median home value $330,800
Median rent / month $1,389
Owner occupied 90.9%
Renter occupied 9.1%
Vacant 31.0%
Single-family detached 93.7%
Large apartment buildings 2.6%
Mobile homes 2.3%
Median rooms 6.2
Avg household size (owned) 2.71
Year built
Era %
2020 or later 0.0%
2010–2019 2.3%
2000–2009 17.3%
1990–1999 18.1%
1980–1989 15.0%
1970–1979 10.3%
1960–1969 7.8%
1950–1959 4.1%
1940–1949 3.5%
1939 or earlier 21.5%
Bedrooms
Size % of units
No bedroom (studio) 0.3%
1 bedroom 0.3%
2 bedrooms 14.1%
3 bedrooms 66.4%
4 bedrooms 16.0%
5+ bedrooms 2.9%
Vehicles per household
Vehicles % of households
No vehicle 8.2%
1 vehicle 14.2%
2 vehicles 53.8%
3 or more 23.8%
Heating fuel
Fuel type %
Electricity 3.8%
Propane / LP gas 13.1%
Fuel oil 60.9%
Wood 22.2%
Households & families
Household type Count %
Married-couple family 243 54.0%
Cohabiting couple 75 16.7%
Male householder, no spouse 33 7.3%
Female householder, no spouse 99 22.0%
Households with children under 18 116 25.8%
Households with seniors (65+) 178 39.6%
Average household size 2.72
Marital status
Status Male Female
Never married 43.1% 21.7%
Married 47.6% 58.9%
Separated 0.0% 0.0%
Widowed 0.0% 14.5%
Divorced 9.3% 4.9%
Education
Some college, no degree
19.3%
Graduate / professional
8.9%
Metric %
HS diploma or higher 92.8%
Bachelor's or higher 35.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 28 9.9%
Kindergarten 59 20.8%
Elementary school 99 34.9%
High school 75 26.4%
College / grad school 23 8.1%
Employment
Industry of employment
Education & healthcare
32.5%
Finance & real estate
9.4%
Public administration
5.5%
Agriculture & mining
4.9%
Transportation & utilities
3.8%
Professional & management
2.3%
Arts, food & hospitality
2.3%
Occupation
Category %
Management, business & arts 20.2%
Service 12.6%
Sales & office 25.1%
Natural resources & construction 20.4%
Production & transportation 21.7%
Employment type
Type %
Private sector 68.9%
Government 11.5%
Self-employed 19.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 85.0%
Carpool 5.9%
Public transit 0.0%
Walk 0.4%
Work from home 7.6%
Other means 1.1%
Avg commute (minutes) 25.6
Poverty
Married-couple families
7.8%
Female-led households
0.0%
Income support
Source % of households
Social Security 35.3%
Retirement income 25.1%
Supplemental Security 8.2%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 29.0%
High blood pressure 33.1%
High cholesterol 36.0%
Diabetes 9.8%
Heart disease 7.2%
Stroke 3.1%
Asthma 10.5%
Arthritis 29.2%
Kidney disease 3.0%
Pulmonary disease 7.2%
Cancer 8.4%
Behavior / access %
Smoking 14.8%
Binge drinking 15.4%
No physical activity 20.8%
Less than 7 hrs sleep 30.4%
Depression 20.9%
Fair or poor health 12.7%
Poor mental health 13.5%
Poor physical health 10.8%
No health insurance 10.3%
Visited doctor (checkup) 71.0%
Visited dentist 66.8%
Cholesterol screening 93.2%
Teeth loss 10.0%
Veterans & disability
Veterans Count %
Civilian veterans 46 4.9%
Disability %
Any disability 15.3%
Under 18 0.0%
18–64 years 19.2%
65 and over 22.3%
Health insurance coverage
Type %
Private insurance 75.5%
Public insurance 37.5%
No insurance 1.1%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,195 96.7%
Spanish 12 1.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 12 1.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,213 98.1%
Born in same state 1,195 96.7%
Born in different state 757 61.2%
Foreign born 18 1.5%
Naturalized citizen 23 1.9%
Not a US citizen 19 82.6%
Ancestry
Ancestry Count %
French 362 29.3%
Italian 173 14%
Ancestry Count %
Arab 53 4.3%
German 20 1.6%
Technology access
Metric % of households
Computer access 36.4%
Internet access 99.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03875
What city is ZIP code 03875 in?
ZIP code 03875 is primarily assigned to Silver Lake, New Hampshire.
What county is ZIP code 03875 in?
ZIP code 03875 falls within Carroll County, New Hampshire.
Is ZIP code 03875 mostly owner-occupied?
91% of occupied units in ZIP code 03875 are owner-occupied, well above the national average.
Does ZIP code 03875 have a large retiree population?
35% of households in ZIP code 03875 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 03875?
The median home value in ZIP code 03875 is $330,800.
What is the population of ZIP code 03875?
ZIP code 03875 has an estimated population of 1,236 residents, with a density of 76 people per square mile.
What timezone is ZIP code 03875 in?
ZIP code 03875 observes the EST timezone.
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