ZIP Code 03237, New Hampshire

ZCTA5 03237 is a 5-digit ZIP Code area located in Belknap County, New Hampshire. As of official census estimates, it has a reported population of 2,575. The land area covers 37.96 sq mi. ^[1]

Demographics & Population

Demographic Metric	Estimate / Count	Margin of Error	Survey Period / Source
Total Population	2,575	±456	2020-2024 / Census ACS 5-Year 2024
Median Age	43.2 yrs	±4.6	2020-2024 / Census ACS 5-Year 2024
Total Households	1,097	±205	2020-2024 / Census ACS 5-Year 2024

Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric	Estimate / Value	Margin of Error
Total Housing Units	1,390	±214
Occupied Housing Units	1,097	±205
Vacant Housing Units	293	±103
Median Home Value	$345,400	±$36,742
Median Gross Rent	Suppressed	—

Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric	Estimate / Value	Margin of Error
Median Household Income	$111,359	±$14,336
Per Capita Income	$52,479	±$8,289
Poverty Rate	5.4%	±5%
Population Below Poverty Level	140	±130
Unemployment Rate	7.4%	±6.5%
Civilian Labor Force, Employed	1,592	±405
Broadband Internet Rate	96.5%	±3.7%

Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF BELKNAP GUS Population: 65,257 (2024) ID: 130730	County	Official County Government	Contact: COUNTY ADMINISTRATOR 34 COUNTY DR, LACONIA NH 03246-2900

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides

Institution	Type	Grades	Location
Alton Central School (Elem)	Regular School Nearby	PK-08	Alton, NH
Barnstead Elementary School	Regular School Nearby	PK-08	Ctr. Barnstead, NH
Beaver Meadow School	Regular School Nearby	PK-05	Concord, NH
Belmont Elementary School	Regular School Nearby	PK-04	Belmont, NH
Belmont High School	Regular School Nearby	09-12	Belmont, NH
Belmont Middle School	Regular School Nearby	05-08	Belmont, NH
Benjamin Franklin Academy Chartered Public School (H)	Regular School Nearby	09-12	Loudon, NH
Benjamin Franklin Academy Chartered Public School (M)	Regular School Nearby	06-08	Loudon, NH
Boscawen Elementary School	Regular School Nearby	PK-05	Boscawen, NH
Broken Ground School	Regular School Nearby	03-05	Concord, NH

Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS

Facility Name	Category	Relationship	Address / Location	Contact
Lakes Region Community College	College	6.5 mi away	379 Belmont Road, Laconia, NH, 03246	6035243207 Website →
GILMANTON CORNER PUBLIC LIBRARY	Library	1.4 mi away	509 PROVINCE ROAD, GILMANTON, NH, 03237	(603) 267-6200
Empire Beauty School-Laconia	College Vocational	7.8 mi away	556 Main St, Laconia, NH, 03246	6035248777 Website →
GILMANTON YEAR-ROUND LIBRARY ASSOCIATION	Library	2.9 mi away	1385 NH ROUTE 140, GILMANTON, NH, 03837	(603) 364-2400
University System of New Hampshire System Office	College	16.1 mi away	5 Chenell Drive, Suite 301, Concord, NH, 03301-8503	6038621800 Website →
GILMANTON IRON WORKS LIBRARY	Library	4.7 mi away	10 ELM STREET, GILMANTON IRON WORKS, NH, 03837	(603) 364-7734
NHTI-Concord's Community College	College	16.1 mi away	31 College Drive, Concord, NH, 03301-7412	6032716484 Website →
BELMONT PUBLIC LIBRARY	Library	4.8 mi away	146 MAIN STREET, BELMONT, NH, 03220	(603) 267-8331
University of New Hampshire-Franklin Pierce School of Law	College	17.4 mi away	2 White St, Concord, NH, 03301-4197	6032281541 Website →
LACONIA PUBLIC LIBRARY	Library	8.0 mi away	695 MAIN STREET, LACONIA, NH, 03246	(603) 524-4775

Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at LAKEPORT 2, NH US, located 9.0 miles from ZCTA5 03237. Local microclimates, topography, and elevation may cause municipal conditions to differ.

Month	High (°F)	Low (°F)	Mean (°F)	Precip (in)	Snow (in)
January	30.3°	11.7°	21.0°	3.08"	18.8"
February	33.7°	12.5°	23.1°	2.88"	16.9"
March	42.5°	21.2°	31.8°	3.39"	9.4"
April	55.6°	32.7°	44.1°	3.65"	1.6"
May	68.0°	44.5°	56.3°	3.47"	0.0"
June	76.6°	54.8°	65.7°	4.44"	0.0"
July	82.1°	60.4°	71.3°	4.61"	0.0"
August	80.8°	58.7°	69.8°	3.89"	0.0"
September	73.3°	51.5°	62.4°	3.77"	0.0"
October	60.1°	39.9°	50.0°	4.83"	0.3"
November	47.3°	30.0°	38.7°	3.68"	2.1"
December	36.2°	20.2°	28.2°	3.92"	12.8"

Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery

Community Name	Classification	Distance	Population
Belmont CDP	CDP	4.6 mi	—
Alton CDP	CDP	8.5 mi	—
Pittsfield CDP	CDP	9.5 mi	—
Tilton Northfield CDP	CDP	10.3 mi	—
Laconia city	City	11.1 mi	—
Loudon CDP	CDP	11.1 mi	—

Sources & Data Provenance

1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 03237. • Official Source Dataset →
2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.

Read complete data sources, methodology, and licensing documentation →