03458 ZIP Code — Peterborough, NH

Hillsborough County, New Hampshire

ZIP code 03458 is located in Peterborough, New Hampshire, within Hillsborough County. It covers approximately 53.71 square miles and serves a population of 6,864 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03458

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $333,600. Owner-occupancy sits near the national average at 58%.

The gap between median ($98,067) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is high — 56% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03458 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

6,864

population

53.71

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03458 ZIP code map

Cities in ZIP code 03458

Below are the cities the US Postal Service accepts for ZIP code 03458. Using any city not on this list may result in mail delivery delays.

City	Status
Peterborough	Acceptable
Peterborough	Preferred

Nearby ZIP codes

03084 Temple (4.8 mi) 03047 Greenfield (5.7 mi) 03452 Jaffrey (6.7 mi) 03444 Dublin (6.8 mi) 03449 Hancock (7.5 mi) 03082 Lyndeborough (8.5 mi) 03461 Rindge (8.7 mi) 03450 Harrisville (8.9 mi) 03086 Wilton (8.9 mi) 03071 New Ipswich (9.2 mi) 03043 Francestown (10.4 mi) 03455 Marlborough (11.9 mi)

Demographics updated 05/2026

Population
Total population	6,864
Population density	128 / sq mi
State FIPS	33
County FIPS	011

Geography
Land area	53.71 sq mi
Water area	0.41 sq mi
Latitude	42.8752
Longitude	-71.9397
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.5%	29.3%	31.0%
$50k – $100k	26.9%	29.8%	31.2%
$100k – $200k	33.1%	30.5%	28.1%
Over $200k	15.4%	10.5%	9.7%

Demographics & statistics

6,864

Population

128

People per sq mi

51.6

Median age

$98,067

Median household income

$59,507

Per capita income

$333,600

Median home value

$1,256

Median monthly rent

58.3%

Home ownership

3.4%

Poverty rate

1.7%

Unemployment

2,308

Housing units

55.6%

Bachelor's or higher

Age distribution

Male Female

106

Under 5

100

5–9

188

10–14

179

242

15–19

231

150

20–24

143

302

25–34

288

420

35–44

399

514

45–54

490

175

55–59

166

328

60–64

313

505

65–74

480

302

75–84

287

193

85+

184

← Male

Female →

Age summary

Group	Count	%
Under 18	1,175	17.1%
18 and over	5,689	82.9%
65 and over	1,951	28.4%
Median age	51.6 years

Race & ethnicity

White 95.2%

Hispanic or Latino 1.6%

Other race 1.6%

Two or more races 1%

Asian 0.5%

Black or African American 0.2%

Group	Count	%
White	6,642	95.2%
Hispanic or Latino	111	1.6%
Other race	110	1.6%
Two or more races	67	1%
Asian	32	0.5%
Black or African American	13	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.5%	29.3%	31.0%
$50k – $100k	26.9%	29.8%	31.2%
$100k – $200k	33.1%	30.5%	28.1%
Over $200k	15.4%	10.5%	9.7%

Under $10k 1.6%

$10k–$15k 1.7%

$15k–$25k 1.7%

$25k–$35k 4.0%

$35k–$50k 8.9%

$50k–$75k 15.9%

$75k–$100k 18.3%

$100k–$150k 17.1%

$150k–$200k 9.5%

$200k+ 21.3%

Range	% of households
Under $10k	1.6%
$10k–$15k	1.7%
$15k–$25k	1.7%
$25k–$35k	4.0%
$35k–$50k	8.9%
$50k–$75k	15.9%
$75k–$100k	18.3%
$100k–$150k	17.1%
$150k–$200k	9.5%
$200k+	21.3%
Median income	$98,067

Housing

Home values

Under $50k 0.8%

$50k–$100k 0.6%

$100k–$150k 0.8%

$150k–$200k 7.3%

$200k–$300k 33.4%

$300k–$500k 41.0%

$500k–$1M 11.8%

$1M+ 4.4%

Housing overview

Metric	Value
Median home value	$333,600
Median rent / month	$1,256
Owner occupied	58.3%
Renter occupied	41.7%
Vacant	14.5%
Single-family detached	63.2%
Large apartment buildings	5.4%
Mobile homes	0.0%
Median rooms	5.9
Avg household size (owned)	2.39

Year built

Era	%
2020 or later	0.0%
2010–2019	5.5%
2000–2009	13.8%
1990–1999	6.4%
1980–1989	9.2%
1970–1979	14.5%
1960–1969	10.0%
1950–1959	10.6%
1940–1949	1.5%
1939 or earlier	28.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	14.6%
2 bedrooms	32.3%
3 bedrooms	30.9%
4 bedrooms	19.2%
5+ bedrooms	2.4%

Vehicles per household

Vehicles	% of households
No vehicle	6.6%
1 vehicle	33.1%
2 vehicles	37.7%
3 or more	22.7%

Heating fuel

Fuel type	%
Utility gas	4.3%
Electricity	8.3%
Propane / LP gas	21.4%
Fuel oil	51.1%
Wood	6.9%
No fuel used	5.0%

Households & families

Household type	Count	%
Married-couple family	1,631	53.2%
Cohabiting couple	154	5.0%
Male householder, no spouse	567	18.5%
Female householder, no spouse	713	23.3%
Households with children under 18	693	22.6%
Households with seniors (65+)	1,219	39.8%
Average household size	2.17

Marital status

Status	Male	Female
Never married	27.2%	15.5%
Married	60.2%	59.7%
Separated	0.0%	2.1%
Widowed	2.0%	4.8%
Divorced	10.5%	18.0%

Education

Less than 9th grade 2.4%

Some HS, no diploma 2.7%

HS graduate 16.0%

Some college, no degree 14.6%

Associate's degree 8.6%

Bachelor's degree 28.9%

Graduate / professional 26.7%

Metric	%
HS diploma or higher	94.8%
Bachelor's or higher	55.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	74	5.8%
Kindergarten	0	0.0%
Elementary school	550	43.0%
High school	478	37.3%
College / grad school	178	13.9%

Employment

Industry of employment

Education & healthcare 36.2%

Retail trade 15.9%

Manufacturing 13.6%

Professional & management 12.2%

Other services 6.4%

Construction 5.1%

Arts, food & hospitality 2.9%

Wholesale trade 1.7%

Finance & real estate 1.7%

Public administration 1.7%

Information 1.2%

Transportation & utilities 1.0%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	47.4%
Service	14.0%
Sales & office	17.1%
Natural resources & construction	8.7%
Production & transportation	12.8%

Employment type

Type	%
Private sector	76.3%
Government	13.3%
Self-employed	10.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	70.8%
Carpool	5.7%
Public transit	0.2%
Walk	6.6%
Work from home	11.4%
Other means	5.3%
Avg commute (minutes)	27.2

Poverty

All people 3.4%

Under 18 years 1.5%

18 and over 3.8%

Married-couple families 0.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	36.0%
Retirement income	27.5%
Supplemental Security	6.1%
Cash public assistance	0.9%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
Obesity	27.9%
High blood pressure	33.3%
High cholesterol	33.4%
Diabetes	9.5%
Heart disease	7.1%
Stroke	3.0%
Asthma	10.9%
Arthritis	28.8%
Kidney disease	3.0%
Pulmonary disease	6.2%
Cancer	8.9%

Behavior / access	%
Smoking	11.6%
Binge drinking	15.4%
No physical activity	19.6%
Less than 7 hrs sleep	30.5%
Depression	19.9%
Fair or poor health	11.4%
Poor mental health	12.5%
Poor physical health	9.4%
No health insurance	8.4%
Visited doctor (checkup)	75.7%
Visited dentist	73.6%
Cholesterol screening	93.2%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	352	6.2%

Disability	%
Any disability	11.5%
Under 18	2.1%
18–64 years	7.1%
65 and over	27.1%

Health insurance coverage

Type	%
Private insurance	82.7%
Public insurance	33.8%
No insurance	3.1%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,658	97.0%
Spanish	50	0.8%
Other Indo-European	29	0.4%
Asian & Pacific Islander	8	0.1%
Other languages	13	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,665	97.1%
Born in same state	6,564	95.6%
Born in different state	2,358	34.4%
Foreign born	101	1.5%
Naturalized citizen	199	2.9%
Not a US citizen	147	73.9%

Ancestry

Ancestry	Count	%
Italian	1,711	24.9%
French	1,194	17.4%
Arab	373	5.4%
German	236	3.4%

Ancestry	Count	%
English	93	1.4%
Polish	82	1.2%
Dutch	45	0.7%
Norwegian	25	0.4%

Technology access

Metric	% of households
Computer access	44.7%
Internet access	95.8%

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

Frequently asked questions about ZIP code 03458

What city is ZIP code 03458 in?

ZIP code 03458 is primarily assigned to Peterborough, New Hampshire.

What county is ZIP code 03458 in?

ZIP code 03458 falls within Hillsborough County, New Hampshire.

Does ZIP code 03458 have an older population?

28% of residents in ZIP code 03458 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 03458?

56% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 03458 have a large retiree population?

36% of households in ZIP code 03458 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 03458?

The median home value in ZIP code 03458 is $333,600.

What timezone is ZIP code 03458 in?

ZIP code 03458 observes the EST timezone.