Belknap County, NH ZIP Codes

New Hampshire (NH)  ·  19 ZIP codes  ·  16 cities
19
ZIP codes
64,460
population (2021)
+7.3%
pop change since 2010
33001
FIPS code
Belknap County ZIP code map
About Belknap County
Belknap County is located in New Hampshire and contains 19 ZIP codes across 16 cities and communities. The county's population was 64,460 as of 2021, an increase of 7.3% from 60,088 in 2010. The timezone is Central Time (observes DST). The Federal Information Processing System (FIPS) code for Belknap County is 33001.
Population
2021 population64,460
2010 population60,088
Change+7.3%
County details
StateNew Hampshire
FIPS code33001
TimezoneCentral
Daylight savingYes
Cities in Belknap County
Alton Alton Bay Barnstead Belmont Center Barnstead Center Harbor Gilford Gilmanton Gilmanton Iron Works Laconia Lochmere Meredith New Hampton Sanbornton Tilton Winnisquam
ZIP codes for Belknap County, NH (19)
ZIP code City County Map
03218 Barnstead Belknap View map
03220 Belmont Belknap View map
03225 Center Barnstead Belknap View map
03226 Center Harbor Belknap View map
03237 Gilmanton Belknap View map
03246 Laconia Belknap View map
03247 Laconia Belknap View map
03249 Gilford Belknap View map
03252 Lochmere Belknap View map
03253 Meredith Belknap View map
03256 New Hampton Belknap View map
03269 Sanbornton Belknap View map
03276 Tilton Belknap View map
03289 Winnisquam Belknap View map
03298 Tilton Belknap View map
03299 Tilton Belknap View map
03809 Alton Belknap View map
03810 Alton Bay Belknap View map
03837 Gilmanton Iron Works Belknap View map

Demographics & statistics

68,806
Population
46.9
Median age
$81,781
Median household income
$43,180
Per capita income
$317,929
Median home value
$851
Median monthly rent
83.5%
Home ownership
7.4%
Poverty rate
2.3%
Unemployment
34,057
Housing units
32.4%
Bachelor's or higher

Age distribution

Male Female
1,388
Under 5
1,410
1,515
5–9
1,540
2,037
10–14
2,069
1,973
15–19
2,004
1,639
20–24
1,665
3,640
25–34
3,698
3,912
35–44
3,975
4,304
45–54
4,374
3,034
55–59
3,083
3,079
60–64
3,128
4,757
65–74
4,833
1,963
75–84
1,995
888
85+
903
← Male
Female →

Age summary

GroupCount%
Under 1812,43317.6%
18 and over56,37382.4%
65 and over15,33923.5%
Median age46.9 years

Race & ethnicity

White 92.7%
Two or more races 2.4%
Hispanic or Latino 1.9%
Asian 1.2%
Black or African American 0.7%
Other race 0.7%
American Indian / Alaska Native 0.3%
GroupCount%
White65,05992.7%
Two or more races1,6702.4%
Hispanic or Latino1,3391.9%
Asian8131.2%
Black or African American5080.7%
Other race5070.7%
American Indian / Alaska Native2370.3%

Household income

Under $10k 2.8%
$10k–$15k 2.3%
$15k–$25k 5.5%
$25k–$35k 7.4%
$35k–$50k 9.1%
$50k–$75k 15.0%
$75k–$100k 12.8%
$100k–$150k 23.6%
$150k–$200k 10.6%
$200k+ 10.9%
Range% of households
Under $10k2.8%
$10k–$15k2.3%
$15k–$25k5.5%
$25k–$35k7.4%
$35k–$50k9.1%
$50k–$75k15.0%
$75k–$100k12.8%
$100k–$150k23.6%
$150k–$200k10.6%
$200k+10.9%
Median income$81,781

Housing

Home values

Under $50k 3.5%
$50k–$100k 2.5%
$100k–$150k 4.0%
$150k–$200k 9.4%
$200k–$300k 29.3%
$300k–$500k 34.1%
$500k–$1M 13.3%
$1M+ 3.9%

Housing overview

MetricValue
Median home value$317,929
Median rent / month$851
Owner occupied83.5%
Renter occupied16.5%
Vacant29.3%
Single-family detached81.2%
Large apartment buildings1.2%
Mobile homes7.7%
Median rooms5.5
Avg household size (owned)2.55

Year built

Era%
2020 or later0.4%
2010–20195.4%
2000–200915.1%
1990–199912.0%
1980–198917.7%
1970–197914.8%
1960–19698.9%
1950–19597.1%
1940–19493.4%
1939 or earlier15.2%

Bedrooms

Size% of units
No bedroom (studio)1.9%
1 bedroom8.8%
2 bedrooms28.9%
3 bedrooms45.1%
4 bedrooms10.9%
5+ bedrooms4.4%

Vehicles per household

Vehicles% of households
No vehicle2.3%
1 vehicle27.2%
2 vehicles41.9%
3 or more28.6%

Heating fuel

Fuel type%
Utility gas4.3%
Electricity5.9%
Propane / LP gas18.5%
Fuel oil55.6%
Wood12.7%
Solar0.4%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family14,64958.2%
Cohabiting couple1,8115.7%
Male householder, no spouse4,60515.3%
Female householder, no spouse6,79720.8%
Households with children under 186,78424.3%
Households with seniors (65+)10,48639.3%
Average household size2.49

Marital status

StatusMaleFemale
Never married26.9%21.9%
Married59.2%55.7%
Separated0.9%1.2%
Widowed3.2%7.8%
Divorced9.8%13.5%

Education

Less than 9th grade 1.2%
Some HS, no diploma 4.8%
HS graduate 29.8%
Some college, no degree 20.0%
Associate's degree 11.7%
Bachelor's degree 19.3%
Graduate / professional 13.1%
Metric%
HS diploma or higher94.0%
Bachelor's or higher32.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool8786.9%
Kindergarten5783.7%
Elementary school5,82046.5%
High school3,51526.4%
College / grad school2,25816.5%

Employment

Industry of employment

Education & healthcare 23.1%
Retail trade 12.6%
Professional & management 10.7%
Construction 10.4%
Arts, food & hospitality 10.2%
Manufacturing 9.9%
Finance & real estate 5.7%
Other services 5.3%
Public administration 4.6%
Transportation & utilities 3.1%
Wholesale trade 2.7%
Information 1.1%
Agriculture & mining 0.6%

Occupation

Category%
Management, business & arts37.6%
Service18.6%
Sales & office21.4%
Natural resources & construction11.3%
Production & transportation11.1%

Employment type

Type%
Private sector76.6%
Government13.9%
Self-employed9.3%
Unpaid family workers0.2%

Commute

Method%
Drive alone80.2%
Carpool7.3%
Public transit0.2%
Walk1.8%
Other means0.7%
Avg commute (minutes)29.2

Poverty

All people 7.4%
Under 18 years 8.3%
18 and over 7.1%
Married-couple families 3.3%
Female-led households 17.8%

Income support

Source% of households
Social Security39.4%
Retirement income29.8%
Supplemental Security5.8%
Cash public assistance2.6%
Food stamps / SNAP4.7%

Health indicators

Condition%
High blood pressure32.5%
High cholesterol32.8%
Heart disease6.3%
Stroke2.8%
Asthma10.7%
Arthritis26.6%
Kidney disease2.6%
Pulmonary disease6.8%
Cancer7.3%
Behavior / access%
Binge drinking17.9%
No physical activity20.9%
Less than 7 hrs sleep31.0%
Fair or poor health12.1%
Poor mental health14.0%
Poor physical health10.1%
No health insurance10.5%
Visited doctor (checkup)72.2%
Visited dentist67.2%
Cholesterol screening91.6%
Teeth loss11.3%

Veterans & disability

VeteransCount%
Civilian veterans5,6069.8%
Disability%
Any disability16.4%
Under 185.1%
18–64 years12.7%
65 and over34.6%

Health insurance coverage

Type%
Private insurance73.6%
Public insurance37.4%
Uninsured under 194.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only66,00896.1%
Spanish5110.7%
Other Indo-European820.1%
Asian & Pacific Islander2790.5%
Other languages1400.1%

Place of birth & citizenship

OriginCount%
Native born (US)66,60297.0%
Born in same state65,88595.9%
Born in different state35,63950.1%
Foreign born7171.1%
Naturalized citizen2,2043.0%
Not a US citizen1,57170.1%

Ancestry

AncestryCount%
Italian13,52119.7%
French13,01118.9%
German6,4319.3%
Arab3,7615.5%
Polish6220.9%
AncestryCount%
English3790.6%
Norwegian3070.4%
Irish1830.3%
Dutch1810.3%

Technology access

Metric% of households
Computer access40.2%
Internet access94.6%

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

Explore more New Hampshire ZIP codes
All New Hampshire ZIP codes Alton ZIP codes Alton Bay ZIP codes Barnstead ZIP codes Belmont ZIP codes Center Barnstead ZIP codes Center Harbor ZIP codes Gilford ZIP codes Gilmanton ZIP codes Gilmanton Iron Works ZIP codes Laconia ZIP codes
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