Gilsum ZIP Code List — Cheshire County, NH

There is one unique ZIP code in Gilsum, New Hampshire and it is 03448. Area code: 603.

ZIP codes

16.65

sq mi land

0.02

sq mi water

603

area code

Gilsum, NH ZIP code map

About Gilsum, NH

Gilsum is a picturesque town located in Cheshire County, New Hampshire. With its serene landscapes and a strong sense of community, it offers a quaint New England experience. The town is known for its rich history and is a charming spot for visitors seeking natural beauty and small-town hospitality.

Location & geography

Gilsum lies in the southwestern part of New Hampshire, surrounded by the beautiful landscape of Cheshire County. The town is conveniently situated approximately 7 miles from Keene to the southeast, 5 miles from Swanzey, and 12 miles from the Vermont border. It covers a total land area of 16.65 square miles, with a tiny water area of 0.02 square miles, contributing to its rustic terrain.

Community & economy

The character of Gilsum is defined by its tight-knit community and wholesome atmosphere, making it a desirable place for families and individuals alike. The local economy primarily revolves around small businesses and local services, which contribute to the town's charm and sense of identity. Daily life in Gilsum is characterized by community events and a peaceful, rural lifestyle amid stunning natural scenery.

Transportation

Gilsum can be accessed via several roads, including New Hampshire Route 10, which runs through the town and connects it to the larger regional network. The nearest major airport is the Keene Dillant-Hopkins Airport, located just a short distance away from the town. Public transportation options are limited, making personal vehicles the primary mode of transit.

History

Gilsum was originally settled in the late 1700s and officially incorporated in 1791, contributing to the early development of Cheshire County. The town's economy once thrived on the quarrying of granite and the production of clay, which were significant industries during its early years. Notable events in its history include the construction of the local meeting house and the establishment of its school system, which reflect the community's commitment to education.

Did you know?

One surprising fact about Gilsum is its reputation for the annual Gilsum Flea Market and Arts and Crafts Fair, which attracts visitors from neighboring towns. Additionally, Gilsum is home to the historic Gilsum Granite Quarry, a reminder of the town's rich industrial past.

ZIP codes for Gilsum, NH (1)

ZIP code	City	County	Map
03448	Gilsum	Cheshire	View map

Demographics & statistics

871

Population

44.3

Median age

$70,000

Median household income

$33,827

Per capita income

$218,300

Median home value

$1,388

Median monthly rent

91.9%

Home ownership

6.8%

Poverty rate

7.1%

Unemployment

335

Housing units

18.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	149	17.1%
18 and over	722	82.9%
65 and over	180	20.7%
Median age	44.3 years

Race & ethnicity

White 97%

Hispanic or Latino 1.1%

Other race 1.1%

American Indian / Alaska Native 0.6%

Two or more races 0.1%

Group	Count	%
White	855	97%
Hispanic or Latino	10	1.1%
Other race	10	1.1%
American Indian / Alaska Native	5	0.6%
Two or more races	1	0.1%

Household income

Under $10k 0.6%

$10k–$15k 3.9%

$15k–$25k 3.9%

$25k–$35k 4.2%

$35k–$50k 18.1%

$50k–$75k 24.5%

$75k–$100k 12.3%

$100k–$150k 13.5%

$150k–$200k 14.2%

$200k+ 4.8%

Range	% of households
Under $10k	0.6%
$10k–$15k	3.9%
$15k–$25k	3.9%
$25k–$35k	4.2%
$35k–$50k	18.1%
$50k–$75k	24.5%
$75k–$100k	12.3%
$100k–$150k	13.5%
$150k–$200k	14.2%
$200k+	4.8%
Median income	$70,000

Housing

Home values

Under $50k 1.4%

$50k–$100k 11.2%

$100k–$150k 9.8%

$150k–$200k 16.1%

$200k–$300k 40.7%

$300k–$500k 17.2%

$500k–$1M 3.5%

Housing overview

Metric	Value
Median home value	$218,300
Median rent / month	$1,388
Owner occupied	91.9%
Renter occupied	8.1%
Vacant	13.9%
Single-family detached	88.6%
Large apartment buildings	0.0%
Mobile homes	6.1%
Median rooms	6.2
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	0.0%
2010–2019	2.8%
2000–2009	9.4%
1990–1999	8.3%
1980–1989	21.7%
1970–1979	9.2%
1960–1969	6.7%
1950–1959	5.0%
1940–1949	2.2%
1939 or earlier	34.7%

Bedrooms

Size	% of units
No bedroom (studio)	3.6%
1 bedroom	6.9%
2 bedrooms	30.0%
3 bedrooms	42.2%
4 bedrooms	8.3%
5+ bedrooms	8.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	22.9%
2 vehicles	41.6%
3 or more	34.8%

Heating fuel

Fuel type	%
Electricity	3.5%
Propane / LP gas	14.5%
Fuel oil	55.2%
Wood	24.5%

Households & families

Household type	Count	%
Married-couple family	193	62.3%
Cohabiting couple	11	3.5%
Male householder, no spouse	32	10.3%
Female householder, no spouse	74	23.9%
Households with children under 18	82	26.5%
Households with seniors (65+)	117	37.7%
Average household size	2.78

Marital status

Status	Male	Female
Never married	43.3%	22.4%
Married	50.8%	57.7%
Separated	0.0%	0.8%
Widowed	0.5%	6.7%
Divorced	5.5%	12.3%

Education

Less than 9th grade 1.9%

Some HS, no diploma 4.6%

HS graduate 39.0%

Some college, no degree 16.5%

Associate's degree 19.4%

Bachelor's degree 10.4%

Graduate / professional 8.2%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	18.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	11	8.6%
Kindergarten	14	10.9%
Elementary school	33	25.8%
High school	48	37.5%
College / grad school	22	17.2%

Employment

Industry of employment

Education & healthcare 22.6%

Construction 15.2%

Manufacturing 15.2%

Retail trade 9.0%

Professional & management 8.8%

Public administration 8.0%

Other services 6.6%

Finance & real estate 6.0%

Arts, food & hospitality 4.4%

Wholesale trade 2.8%

Transportation & utilities 0.8%

Information 0.4%

Occupation

Category	%
Management, business & arts	29.7%
Service	20.4%
Sales & office	18.8%
Natural resources & construction	17.6%
Production & transportation	13.4%

Employment type

Type	%
Private sector	68.7%
Government	15.0%
Self-employed	12.6%
Unpaid family workers	3.6%

Commute

Method	%
Drive alone	76.6%
Carpool	10.2%
Public transit	0.0%
Walk	0.4%
Other means	0.4%
Avg commute (minutes)	28.7

Poverty

All people 6.8%

Under 18 years 8.1%

18 and over 6.5%

Married-couple families 1.6%

Female-led households 7.4%

Income support

Source	% of households
Social Security	31.9%
Retirement income	19.0%
Supplemental Security	2.3%
Cash public assistance	3.2%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
High blood pressure	30.7%
High cholesterol	28.7%
Heart disease	6.3%
Stroke	2.9%
Asthma	11.1%
Arthritis	27.8%
Kidney disease	2.7%
Pulmonary disease	7.2%
Cancer	7.0%

Behavior / access	%
Binge drinking	17.6%
No physical activity	20.9%
Less than 7 hrs sleep	34.4%
Fair or poor health	13.6%
Poor mental health	15.3%
Poor physical health	11.0%
No health insurance	11.0%
Visited doctor (checkup)	67.2%
Visited dentist	63.2%
Cholesterol screening	90.3%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	91	12.6%

Disability	%
Any disability	15.5%
Under 18	16.8%
18–64 years	12.2%
65 and over	24.4%

Health insurance coverage

Type	%
Private insurance	70.1%
Public insurance	34.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	812	93.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	862	99.0%
Born in same state	862	99.0%
Born in different state	436	50.1%
Foreign born	0	0.0%
Naturalized citizen	9	1.0%
Not a US citizen	8	88.9%

Ancestry

Ancestry	Count	%
French	156	17.9%
Italian	104	11.9%
German	80	9.2%
Arab	77	8.8%

Ancestry	Count	%
Polish	16	1.8%
English	4	0.5%
Irish	3	0.3%
Dutch	2	0.2%

Technology access

Metric	% of households
Computer access	35.6%
Internet access	94.8%

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

Frequently asked questions

What is the ZIP code for Gilsum, NH?

Gilsum, NH has one ZIP code: 03448.

What is the main ZIP code for Gilsum, NH?

The primary ZIP code for Gilsum, NH is 03448. The city uses area code 603 for phone service.

What county is Gilsum, NH in?

Gilsum is located in Cheshire County, New Hampshire.

How many ZIP codes are in Gilsum, NH?

Gilsum, NH has 1 ZIP code.

What ZIP code should I use when mailing something to the Gilsum town center and municipal offices?

All mail to Gilsum's town center and municipal facilities should use the ZIP code 03448, which is the sole ZIP code serving this Cheshire County town.

If I'm sending a package to a residence in the Gilsum area near the village of Canonick, what ZIP code applies?

Addresses in the Gilsum area, including the Canonick village section, all fall within the 03448 ZIP code.