03054 ZIP Code — Merrimack, NH

Hillsborough County, New Hampshire

ZIP code 03054 is located in Merrimack, New Hampshire, within Hillsborough County. It covers approximately 32.57 square miles and serves a population of 27,139 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03054

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $377,200. Owner-occupancy is high at 89%, well above the national average.

Median household income is $120,730. The poverty rate of 4% is below the national average.

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 — 48% of residents hold a bachelor's degree or higher, well above the national average of 33%.

27,139
population
32.57
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03054 ZIP code map
Cities in ZIP code 03054

Below are the cities the US Postal Service accepts for ZIP code 03054. Using any city not on this list may result in mail delivery delays.

City Status
Merrimack Preferred
Nearby ZIP codes
03031 Amherst (5 mi) 03064 Nashua (5.3 mi) 03063 Nashua (5.6 mi) 03053 Londonderry (6.4 mi) 03103 Manchester (7.1 mi) 03049 Hollis (7.7 mi) 03055 Milford (8.1 mi) 03051 Hudson (8.1 mi) 03062 Nashua (8.4 mi) 03060 Nashua (8.5 mi) 03057 Mont Vernon (9.4 mi) 03101 Manchester (9.8 mi)
Demographics updated 06/2026
Population
Total population 27,139
Population density 833 / sq mi
State FIPS 33
County FIPS 011
Geography
Land area 32.57 sq mi
Water area 0.85 sq mi
Latitude 42.8518
Longitude -71.5148
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 16.8% 29.3% 31.0%
$50k – $100k 28.7% 29.8% 31.2%
$100k – $200k 40.9% 30.5% 28.1%
Over $200k 13.6% 10.5% 9.7%

Demographics & statistics

27,139
Population
833
People per sq mi
41.7
Median age
$120,730
Median household income
$52,715
Per capita income
$377,200
Median home value
$1,728
Median monthly rent
88.8%
Home ownership
4.0%
Poverty rate
3.3%
Unemployment
9,187
Housing units
47.8%
Bachelor's or higher

Age distribution

Male Female
704
Under 5
680
704
5–9
680
1,137
10–14
1,098
835
15–19
807
622
20–24
601
1,724
25–34
1,665
1,755
35–44
1,695
1,911
45–54
1,847
1,142
55–59
1,104
949
60–64
916
1,530
65–74
1,479
633
75–84
611
158
85+
152
← Male
Female →

Age summary

GroupCount%
Under 186,06822.4%
18 and over21,07177.6%
65 and over4,56316.8%
Median age41.7 years

Race & ethnicity

White 87.1%
Asian 4.4%
Two or more races 3.2%
Hispanic or Latino 2.5%
Other race 1.5%
Black or African American 1.2%
GroupCount%
White24,24687.1%
Asian1,2384.4%
Two or more races8853.2%
Hispanic or Latino7032.5%
Other race4311.5%
Black or African American3371.2%

Household income

Income range This ZIP County avg State avg
Under $50k 16.8% 29.3% 31.0%
$50k – $100k 28.7% 29.8% 31.2%
$100k – $200k 40.9% 30.5% 28.1%
Over $200k 13.6% 10.5% 9.7%
Under $10k 1.5%
$10k–$15k 1.0%
$15k–$25k 3.7%
$25k–$35k 1.9%
$35k–$50k 5.4%
$50k–$75k 13.2%
$75k–$100k 15.9%
$100k–$150k 24.1%
$150k–$200k 15.0%
$200k+ 18.2%
Range% of households
Under $10k1.5%
$10k–$15k1.0%
$15k–$25k3.7%
$25k–$35k1.9%
$35k–$50k5.4%
$50k–$75k13.2%
$75k–$100k15.9%
$100k–$150k24.1%
$150k–$200k15.0%
$200k+18.2%
Median income$120,730

Housing

Home values

Under $50k 1.9%
$50k–$100k 0.8%
$100k–$150k 2.3%
$150k–$200k 3.3%
$200k–$300k 19.5%
$300k–$500k 51.1%
$500k–$1M 20.1%
$1M+ 0.9%

Housing overview

MetricValue
Median home value$377,200
Median rent / month$1,728
Owner occupied88.8%
Renter occupied11.2%
Vacant1.4%
Single-family detached67.5%
Large apartment buildings5.9%
Mobile homes2.2%
Median rooms6.5
Avg household size (owned)2.74

Year built

Era%
2020 or later1.1%
2010–20193.5%
2000–200910.6%
1990–199916.4%
1980–198932.4%
1970–197917.3%
1960–196912.2%
1950–19592.1%
1940–19491.4%
1939 or earlier3.1%

Bedrooms

Size% of units
No bedroom (studio)0.8%
1 bedroom5.2%
2 bedrooms28.6%
3 bedrooms35.7%
4 bedrooms27.4%
5+ bedrooms2.3%

Vehicles per household

Vehicles% of households
No vehicle2.0%
1 vehicle24.4%
2 vehicles45.3%
3 or more28.3%

Heating fuel

Fuel type%
Utility gas34.2%
Electricity9.8%
Propane / LP gas23.5%
Fuel oil27.8%
Wood2.3%
No fuel used1.3%

Households & families

Household typeCount%
Married-couple family6,18460.7%
Cohabiting couple8097.9%
Male householder, no spouse1,09610.8%
Female householder, no spouse2,09120.5%
Households with children under 183,06430.1%
Households with seniors (65+)3,23731.8%
Average household size2.65

Marital status

StatusMaleFemale
Never married31.8%24.6%
Married59.6%54.6%
Separated0.5%0.6%
Widowed1.9%6.9%
Divorced6.2%13.3%

Education

Less than 9th grade 1.1%
Some HS, no diploma 2.9%
HS graduate 17.6%
Some college, no degree 17.9%
Associate's degree 12.6%
Bachelor's degree 29.1%
Graduate / professional 18.8%
Metric%
HS diploma or higher95.9%
Bachelor's or higher47.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3875.8%
Kindergarten3795.7%
Elementary school3,03545.6%
High school1,35720.4%
College / grad school1,50422.6%

Employment

Industry of employment

Education & healthcare 22.0%
Manufacturing 15.2%
Professional & management 15.0%
Retail trade 11.2%
Finance & real estate 8.6%
Arts, food & hospitality 6.3%
Other services 5.5%
Construction 4.5%
Transportation & utilities 4.1%
Public administration 3.4%
Information 2.7%
Wholesale trade 1.4%

Occupation

Category%
Management, business & arts54.3%
Service10.1%
Sales & office19.2%
Natural resources & construction5.4%
Production & transportation11.0%

Employment type

Type%
Private sector82.3%
Government12.5%
Self-employed5.1%
Unpaid family workers0.1%

Commute

Method%
Drive alone75.4%
Carpool5.0%
Public transit0.4%
Walk0.8%
Work from home16.5%
Other means1.8%
Avg commute (minutes)26.6

Poverty

All people 4.0%
Under 18 years 3.8%
18 and over 4.1%
Married-couple families 1.4%
Female-led households 9.0%

Income support

Source% of households
Social Security30.0%
Retirement income25.6%
Supplemental Security3.7%
Cash public assistance2.9%
Food stamps / SNAP2.0%

Health indicators

Condition%
Obesity29.2%
High blood pressure27.4%
High cholesterol29.2%
Diabetes7.6%
Heart disease4.8%
Stroke2.1%
Asthma11.0%
Arthritis22.7%
Kidney disease2.1%
Pulmonary disease4.9%
Cancer6.3%
Behavior / access%
Smoking12.9%
Binge drinking18.7%
No physical activity17.3%
Less than 7 hrs sleep32.4%
Depression21.1%
Fair or poor health9.5%
Poor mental health13.6%
Poor physical health8.3%
No health insurance8.5%
Visited doctor (checkup)71.9%
Visited dentist73.8%
Cholesterol screening91.9%
Teeth loss9.0%

Veterans & disability

VeteransCount%
Civilian veterans1,4867.1%
Disability%
Any disability8.8%
Under 183.5%
18–64 years6.8%
65 and over23.0%

Health insurance coverage

Type%
Private insurance87.7%
Public insurance22.3%
No insurance2.7%
Uninsured under 191.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only25,75594.9%
Spanish3541.4%
Other Indo-European1820.7%
Asian & Pacific Islander300.1%
Other languages1410.5%

Place of birth & citizenship

OriginCount%
Native born (US)25,37593.5%
Born in same state25,04292.3%
Born in different state10,75439.6%
Foreign born3331.2%
Naturalized citizen1,7646.5%
Not a US citizen1,35776.9%

Ancestry

AncestryCount%
Italian5,72621.1%
French4,72617.4%
German2,1277.8%
Arab1,2254.5%
Norwegian1150.4%
AncestryCount%
Polish1100.4%
English520.2%
Irish510.2%
Dutch190.1%

Technology access

Metric% of households
Computer access37.5%
Internet access97.3%

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

Frequently asked questions about ZIP code 03054

What city is ZIP code 03054 in?

ZIP code 03054 is primarily assigned to Merrimack, New Hampshire.

What county is ZIP code 03054 in?

ZIP code 03054 falls within Hillsborough County, New Hampshire.

Is ZIP code 03054 mostly owner-occupied?

89% of occupied units in ZIP code 03054 are owner-occupied, well above the national average.

How educated is the population of ZIP code 03054?

48% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 03054?

The median home value in ZIP code 03054 is $377,200.

What is the median household income in ZIP code 03054?

The median household income in ZIP code 03054 is $120,730, above the national median of ~$75,000.

What timezone is ZIP code 03054 in?

ZIP code 03054 observes the EST timezone.

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