03580 ZIP Code — Franconia, NH

Grafton County, New Hampshire

ZIP code 03580 is located in Franconia, New Hampshire, within Grafton County. It covers approximately 88.33 square miles and serves a population of 1,425 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03580

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $429,700. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($73,011) and mean household income suggests income inequality — a small number of higher earners pull the average up. 51% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is high — 54% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03580 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

1,425

population

88.33

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03580 ZIP code map

Cities in ZIP code 03580

Below are the cities the US Postal Service accepts for ZIP code 03580. Using any city not on this list may result in mail delivery delays.

City	Status
Franconia	Acceptable
Franconia	Preferred

Nearby ZIP codes

03574 Bethlehem (6.3 mi) 03251 Lincoln (7.3 mi) 03262 North Woodstock (11 mi) 03585 Lisbon (11.2 mi) 03598 Whitefield (11.7 mi) 03785 Woodsville (13.1 mi) 03561 Littleton (13.3 mi) 03223 Campton (14.7 mi) 03740 Bath (15.8 mi) 03774 North Haverhill (16.8 mi) 05904 Gilman (17.3 mi) 03771 Monroe (17.6 mi)

Demographics updated 06/2026

Population
Total population	1,425
Population density	16 / sq mi
State FIPS	33
County FIPS	009

Geography
Land area	88.33 sq mi
Water area	0.33 sq mi
Latitude	44.1761
Longitude	-71.6710
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	37.5%	31.0%
$50k – $100k	32.9%	32.1%	31.2%
$100k – $200k	33.1%	21.7%	28.1%
Over $200k	9.8%	8.6%	9.7%

Demographics & statistics

1,425

Population

People per sq mi

58.4

Median age

$73,011

Median household income

$46,324

Per capita income

$429,700

Median home value

$944

Median monthly rent

83.4%

Home ownership

8.4%

Poverty rate

3.1%

Unemployment

972

Housing units

54.3%

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

178

65–74

165

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	169	11.9%
18 and over	1,256	88.1%
65 and over	535	37.5%
Median age	58.4 years

Race & ethnicity

White 94.9%

Two or more races 1.7%

Hispanic or Latino 1.6%

Other race 1.1%

Black or African American 0.3%

Asian 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	1,374	94.9%
Two or more races	25	1.7%
Hispanic or Latino	23	1.6%
Other race	16	1.1%
Black or African American	4	0.3%
Asian	4	0.3%
American Indian / Alaska Native	2	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	37.5%	31.0%
$50k – $100k	32.9%	32.1%	31.2%
$100k – $200k	33.1%	21.7%	28.1%
Over $200k	9.8%	8.6%	9.7%

Under $10k 3.2%

$10k–$15k 2.6%

$15k–$25k 5.3%

$25k–$35k 13.0%

$35k–$50k 10.6%

$50k–$75k 18.3%

$75k–$100k 6.8%

$100k–$150k 19.3%

$150k–$200k 9.1%

$200k+ 11.8%

Range	% of households
Under $10k	3.2%
$10k–$15k	2.6%
$15k–$25k	5.3%
$25k–$35k	13.0%
$35k–$50k	10.6%
$50k–$75k	18.3%
$75k–$100k	6.8%
$100k–$150k	19.3%
$150k–$200k	9.1%
$200k+	11.8%
Median income	$73,011

Housing

Home values

Under $50k 1.6%

$50k–$100k 0.6%

$100k–$150k 7.0%

$150k–$200k 2.9%

$200k–$300k 14.5%

$300k–$500k 39.3%

$500k–$1M 28.3%

$1M+ 5.7%

Housing overview

Metric	Value
Median home value	$429,700
Median rent / month	$944
Owner occupied	83.4%
Renter occupied	16.6%
Vacant	45.3%
Single-family detached	81.7%
Large apartment buildings	0.0%
Mobile homes	2.2%
Median rooms	6.3
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	2.2%
2010–2019	5.5%
2000–2009	14.6%
1990–1999	10.7%
1980–1989	16.8%
1970–1979	10.3%
1960–1969	18.1%
1950–1959	1.8%
1940–1949	2.3%
1939 or earlier	17.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	7.5%
2 bedrooms	25.2%
3 bedrooms	32.2%
4 bedrooms	29.7%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	39.5%
2 vehicles	40.2%
3 or more	16.9%

Heating fuel

Fuel type	%
Utility gas	2.9%
Electricity	5.1%
Propane / LP gas	34.5%
Fuel oil	43.1%
Wood	12.5%
Solar	0.3%

Households & families

Household type	Count	%
Married-couple family	280	47.9%
Cohabiting couple	22	3.8%
Male householder, no spouse	101	17.3%
Female householder, no spouse	182	31.1%
Households with children under 18	62	10.6%
Households with seniors (65+)	306	52.3%
Average household size	2.31

Marital status

Status	Male	Female
Never married	38.5%	13.1%
Married	44.4%	50.2%
Separated	0.0%	0.0%
Widowed	6.7%	13.3%
Divorced	10.4%	23.4%

Education

Less than 9th grade 2.3%

Some HS, no diploma 0.9%

HS graduate 11.4%

Some college, no degree 21.8%

Associate's degree 9.3%

Bachelor's degree 26.8%

Graduate / professional 27.4%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	54.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	7.0%
Kindergarten	0	0.0%
Elementary school	78	41.7%
High school	45	24.1%
College / grad school	51	27.3%

Employment

Industry of employment

Professional & management 20.3%

Education & healthcare 18.8%

Retail trade 16.8%

Arts, food & hospitality 12.1%

Construction 6.7%

Finance & real estate 6.0%

Information 4.0%

Manufacturing 3.7%

Transportation & utilities 2.8%

Public administration 2.8%

Other services 2.7%

Wholesale trade 2.3%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	48.8%
Service	22.8%
Sales & office	18.5%
Natural resources & construction	0.8%
Production & transportation	9.2%

Employment type

Type	%
Private sector	65.7%
Government	14.6%
Self-employed	19.1%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	74.5%
Carpool	7.3%
Public transit	0.2%
Walk	4.6%
Work from home	8.6%
Other means	4.9%
Avg commute (minutes)	18.3

Poverty

All people 8.4%

Under 18 years 31.4%

18 and over 5.1%

Married-couple families 3.6%

Female-led households 12.9%

Income support

Source	% of households
Social Security	51.3%
Retirement income	42.7%
Supplemental Security	6.3%
Cash public assistance	1.9%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	32.2%
High blood pressure	34.0%
High cholesterol	35.6%
Diabetes	10.7%
Heart disease	8.2%
Stroke	3.5%
Asthma	10.4%
Arthritis	32.2%
Kidney disease	3.3%
Pulmonary disease	7.6%
Cancer	9.8%

Behavior / access	%
Smoking	13.3%
Binge drinking	13.4%
No physical activity	18.3%
Less than 7 hrs sleep	28.5%
Depression	21.6%
Fair or poor health	13.1%
Poor mental health	12.5%
Poor physical health	11.0%
No health insurance	8.9%
Visited doctor (checkup)	77.9%
Visited dentist	69.8%
Cholesterol screening	94.6%
Teeth loss	10.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	76	6.1%

Disability	%
Any disability	19.3%
Under 18	1.8%
18–64 years	20.9%
65 and over	23.0%

Health insurance coverage

Type	%
Private insurance	66.9%
Public insurance	47.8%
No insurance	8.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,397	98.0%
Spanish	8	0.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	8	0.6%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,356	95.2%
Born in same state	1,350	94.7%
Born in different state	510	35.8%
Foreign born	6	0.4%
Naturalized citizen	69	4.8%
Not a US citizen	43	62.3%

Ancestry

Ancestry	Count	%
French	405	28.4%
Italian	287	20.1%
German	86	6%
Arab	85	6%
English	27	1.9%

Ancestry	Count	%
Irish	15	1.1%
Polish	5	0.4%
Dutch	5	0.4%
Norwegian	1	0.1%

Technology access

Metric	% of households
Computer access	41.1%
Internet access	92.8%

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

Frequently asked questions about ZIP code 03580

What city is ZIP code 03580 in?

ZIP code 03580 is primarily assigned to Franconia, New Hampshire.

What county is ZIP code 03580 in?

ZIP code 03580 falls within Grafton County, New Hampshire.

Does ZIP code 03580 have an older population?

38% of residents in ZIP code 03580 are 65 or older, above the national average of ~17%.

Does ZIP code 03580 have a large retiree population?

51% of households in ZIP code 03580 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 03580?

54% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 03580 mostly owner-occupied?

83% of occupied units in ZIP code 03580 are owner-occupied, well above the national average.

What timezone is ZIP code 03580 in?

ZIP code 03580 observes the EST timezone.