03033 ZIP Code — Brookline, NH

Hillsborough County, New Hampshire

ZIP code 03033 is located in Brookline, New Hampshire, within Hillsborough County. It covers approximately 19.84 square miles and serves a population of 5,659 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03033

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $431,000. Owner-occupancy is high at 95%, well above the national average.

Median household income is $163,628.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

Educational attainment is high — 64% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03033 reflects a community defined by a highly educated population and high homeownership.

5,659

population

19.84

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03033 ZIP code map

Cities in ZIP code 03033

Below are the cities the US Postal Service accepts for ZIP code 03033. Using any city not on this list may result in mail delivery delays.

City	Status
Brookline	Preferred

Nearby ZIP codes

03048 Greenville (4.5 mi) 03049 Hollis (4.6 mi) 03055 Milford (4.9 mi) 01469 Townsend (6.4 mi) 01474 West Townsend (6.5 mi) 01463 Pepperell (6.9 mi) 03063 Nashua (7.6 mi) 03086 Wilton (7.6 mi) 03031 Amherst (8.9 mi) 03062 Nashua (9.2 mi) 01431 Ashby (9.7 mi) 03071 New Ipswich (10 mi)

Demographics updated 05/2026

Population
Total population	5,659
Population density	285 / sq mi
State FIPS	33
County FIPS	011

Geography
Land area	19.84 sq mi
Water area	0.36 sq mi
Latitude	42.7491
Longitude	-71.6733
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	7.8%	29.3%	31.0%
$50k – $100k	18.1%	29.8%	31.2%
$100k – $200k	47.0%	30.5%	28.1%
Over $200k	27.1%	10.5%	9.7%

Demographics & statistics

5,659

Population

285

People per sq mi

37.6

Median age

$163,628

Median household income

$57,069

Per capita income

$431,000

Median home value

$2,368

Median monthly rent

94.5%

Home ownership

0.1%

Poverty rate

1.1%

Unemployment

1,670

Housing units

63.5%

Bachelor's or higher

Age distribution

Male Female

166

Under 5

169

257

5–9

260

206

10–14

208

242

15–19

245

246

20–24

250

208

25–34

211

395

35–44

400

396

45–54

401

315

55–59

320

141

60–64

142

178

65–74

181

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,613	28.5%
18 and over	4,046	71.5%
65 and over	481	8.5%
Median age	37.6 years

Race & ethnicity

White 94.9%

Two or more races 2.3%

Hispanic or Latino 0.8%

Other race 0.8%

Black or African American 0.7%

Asian 0.6%

Group	Count	%
White	5,409	94.9%
Two or more races	133	2.3%
Hispanic or Latino	43	0.8%
Other race	43	0.8%
Black or African American	40	0.7%
Asian	34	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	7.8%	29.3%	31.0%
$50k – $100k	18.1%	29.8%	31.2%
$100k – $200k	47.0%	30.5%	28.1%
Over $200k	27.1%	10.5%	9.7%

Under $10k 0.4%

$25k–$35k 0.9%

$35k–$50k 3.0%

$50k–$75k 5.8%

$75k–$100k 7.6%

$100k–$150k 20.7%

$150k–$200k 25.3%

$200k+ 36.2%

Range	% of households
Under $10k	0.4%
$25k–$35k	0.9%
$35k–$50k	3.0%
$50k–$75k	5.8%
$75k–$100k	7.6%
$100k–$150k	20.7%
$150k–$200k	25.3%
$200k+	36.2%
Median income	$163,628

Housing

Home values

Under $50k 1.6%

$50k–$100k 0.6%

$100k–$150k 0.2%

$150k–$200k 0.9%

$200k–$300k 15.3%

$300k–$500k 56.1%

$500k–$1M 22.6%

$1M+ 2.7%

Housing overview

Metric	Value
Median home value	$431,000
Median rent / month	$2,368
Owner occupied	94.5%
Renter occupied	5.5%
Vacant	3.3%
Single-family detached	95.9%
Large apartment buildings	0.0%
Mobile homes	0.7%
Median rooms	7.0
Avg household size (owned)	3.37

Year built

Era	%
2020 or later	0.5%
2010–2019	6.6%
2000–2009	16.0%
1990–1999	31.3%
1980–1989	16.0%
1970–1979	10.5%
1960–1969	4.6%
1950–1959	3.3%
1940–1949	1.9%
1939 or earlier	9.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	0.6%
2 bedrooms	9.3%
3 bedrooms	56.0%
4 bedrooms	29.0%
5+ bedrooms	3.9%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	9.7%
2 vehicles	48.7%
3 or more	40.4%

Heating fuel

Fuel type	%
Electricity	1.6%
Propane / LP gas	41.3%
Fuel oil	45.0%
Wood	10.6%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	1,344	78.8%
Cohabiting couple	76	4.5%
Male householder, no spouse	153	9.0%
Female householder, no spouse	132	7.7%
Households with children under 18	911	53.4%
Households with seniors (65+)	360	21.1%
Average household size	3.32

Marital status

Status	Male	Female
Never married	25.5%	29.6%
Married	67.4%	60.9%
Separated	0.0%	0.0%
Widowed	0.3%	2.4%
Divorced	6.8%	7.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.6%

HS graduate 13.9%

Some college, no degree 14.1%

Associate's degree 6.9%

Bachelor's degree 39.4%

Graduate / professional 24.2%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	63.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	126	7.1%
Kindergarten	106	6.0%
Elementary school	757	42.6%
High school	427	24.0%
College / grad school	361	20.3%

Employment

Industry of employment

Education & healthcare 31.1%

Professional & management 19.2%

Manufacturing 12.4%

Retail trade 6.5%

Construction 6.2%

Finance & real estate 6.0%

Public administration 4.2%

Other services 4.0%

Arts, food & hospitality 3.8%

Transportation & utilities 3.3%

Wholesale trade 1.7%

Information 1.6%

Occupation

Category	%
Management, business & arts	56.9%
Service	17.2%
Sales & office	14.0%
Natural resources & construction	5.2%
Production & transportation	6.7%

Employment type

Type	%
Private sector	78.4%
Government	11.4%
Self-employed	10.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.7%
Carpool	2.4%
Public transit	0.3%
Walk	0.5%
Work from home	19.4%
Other means	0.8%
Avg commute (minutes)	32.9

Poverty

All people 0.1%

Under 18 years 0.0%

18 and over 0.2%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	19.7%
Retirement income	19.6%
Supplemental Security	1.9%
Cash public assistance	3.0%
Food stamps / SNAP	0.4%

Health indicators

Condition	%
Obesity	28.4%
High blood pressure	25.0%
High cholesterol	28.0%
Diabetes	6.6%
Heart disease	4.0%
Stroke	1.7%
Asthma	10.7%
Arthritis	20.4%
Kidney disease	1.8%
Pulmonary disease	4.1%
Cancer	5.7%

Behavior / access	%
Smoking	11.7%
Binge drinking	19.6%
No physical activity	15.2%
Less than 7 hrs sleep	31.7%
Depression	20.6%
Fair or poor health	8.1%
Poor mental health	13.0%
Poor physical health	7.3%
No health insurance	7.7%
Visited doctor (checkup)	71.2%
Visited dentist	76.6%
Cholesterol screening	92.7%
Teeth loss	7.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	237	5.9%

Disability	%
Any disability	3.6%
Under 18	1.0%
18–64 years	2.6%
65 and over	19.8%

Health insurance coverage

Type	%
Private insurance	91.5%
Public insurance	16.3%
No insurance	2.5%
Uninsured under 19	4.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,324	94.1%
Spanish	12	0.2%
Other Indo-European	12	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,494	97.1%
Born in same state	5,460	96.5%
Born in different state	2,045	36.1%
Foreign born	34	0.6%
Naturalized citizen	165	2.9%
Not a US citizen	138	83.6%

Ancestry

Ancestry	Count	%
Italian	1,680	29.7%
French	1,110	19.6%
German	571	10.1%
Arab	228	4%

Ancestry	Count	%
Polish	87	1.5%
Irish	47	0.8%
English	22	0.4%
Dutch	8	0.1%

Technology access

Metric	% of households
Computer access	30.1%
Internet access	99.1%

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

Frequently asked questions about ZIP code 03033

What city is ZIP code 03033 in?

ZIP code 03033 is primarily assigned to Brookline, New Hampshire.

What county is ZIP code 03033 in?

ZIP code 03033 falls within Hillsborough County, New Hampshire.

How educated is the population of ZIP code 03033?

64% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 03033 mostly owner-occupied?

95% of occupied units in ZIP code 03033 are owner-occupied, well above the national average.

What is the median household income in ZIP code 03033?

The median household income in ZIP code 03033 is $163,628, above the national median of ~$75,000.

What is the typical home value in ZIP code 03033?

The median home value in ZIP code 03033 is $431,000.

What timezone is ZIP code 03033 in?

ZIP code 03033 observes the EST timezone.