01451 ZIP Code — Harvard, MA

Worcester County, Massachusetts

ZIP code 01451 is located in Harvard, Massachusetts, within Worcester County. It covers approximately 21.05 square miles and serves a population of 5,362 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 978/351.

About ZIP code 01451

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $730,300. Owner-occupancy is high at 94%, well above the national average.

The gap between median ($199,191) and mean household income suggests income inequality — a small number of higher earners pull the average up. 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 33 minutes is near the national average. Remote work is prevalent — 37% of workers work from home.

Educational attainment is high — 76% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 01451 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

5,362

population

21.05

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01451 ZIP code map

Cities in ZIP code 01451

Below are the cities the US Postal Service accepts for ZIP code 01451. Using any city not on this list may result in mail delivery delays.

City	Status
Harvard	Preferred

Nearby ZIP codes

01434 Devens (2.9 mi) 01719 Boxborough (3.3 mi) 01740 Bolton (4.3 mi) 01432 Ayer (4.5 mi) 01523 Lancaster (4.7 mi) 01460 Littleton (5.6 mi) 01775 Stow (6.2 mi) 01464 Shirley (6.4 mi) 01720 Acton (7.3 mi) 01470 Groton (7.8 mi) 01471 Groton (7.8 mi) 01749 Hudson (7.9 mi)

Demographics updated 05/2026

Population
Total population	5,362
Population density	255 / sq mi
State FIPS	25
County FIPS	027

Geography
Land area	21.05 sq mi
Water area	0.63 sq mi
Latitude	42.4985
Longitude	-71.5819
Timezone	Eastern (ET)
Area code	978/351

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.4%	33.6%	31.3%
$50k – $100k	15.4%	27.5%	25.9%
$100k – $200k	30.6%	28.7%	28.5%
Over $200k	44.6%	10.3%	14.3%

Demographics & statistics

5,362

Population

255

People per sq mi

41.6

Median age

$199,191

Median household income

$96,736

Per capita income

$730,300

Median home value

$1,322

Median monthly rent

93.9%

Home ownership

4.3%

Poverty rate

4.7%

Unemployment

1,777

Housing units

76.3%

Bachelor's or higher

Age distribution

Male Female

240

Under 5

251

172

5–9

180

126

10–14

133

149

15–19

157

130

20–24

136

219

25–34

230

384

35–44

402

416

45–54

436

186

55–59

195

186

60–64

196

284

65–74

299

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,322	24.7%
18 and over	4,040	75.3%
65 and over	838	15.6%
Median age	41.6 years

Race & ethnicity

White 82.5%

Two or more races 6.8%

Hispanic or Latino 6.1%

Asian 4.5%

Group	Count	%
White	4,713	82.5%
Two or more races	391	6.8%
Hispanic or Latino	351	6.1%
Asian	258	4.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.4%	33.6%	31.3%
$50k – $100k	15.4%	27.5%	25.9%
$100k – $200k	30.6%	28.7%	28.5%
Over $200k	44.6%	10.3%	14.3%

Under $10k 2.8%

$10k–$15k 1.6%

$15k–$25k 3.9%

$25k–$35k 1.1%

$35k–$50k 3.7%

$50k–$75k 6.1%

$75k–$100k 3.1%

$100k–$150k 15.6%

$150k–$200k 12.7%

$200k+ 49.4%

Range	% of households
Under $10k	2.8%
$10k–$15k	1.6%
$15k–$25k	3.9%
$25k–$35k	1.1%
$35k–$50k	3.7%
$50k–$75k	6.1%
$75k–$100k	3.1%
$100k–$150k	15.6%
$150k–$200k	12.7%
$200k+	49.4%
Median income	$199,191

Housing

Home values

$200k–$300k 2.8%

$300k–$500k 16.6%

$500k–$1M 53.6%

$1M+ 27.1%

Housing overview

Metric	Value
Median home value	$730,300
Median rent / month	$1,322
Owner occupied	93.9%
Renter occupied	6.1%
Vacant	6.3%
Single-family detached	89.4%
Large apartment buildings	3.5%
Mobile homes	0.0%
Median rooms	8.1
Avg household size (owned)	3.06

Year built

Era	%
2020 or later	1.1%
2010–2019	7.1%
2000–2009	3.2%
1990–1999	7.3%
1980–1989	12.1%
1970–1979	19.7%
1960–1969	19.5%
1950–1959	11.7%
1940–1949	0.5%
1939 or earlier	17.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	1.3%
2 bedrooms	11.3%
3 bedrooms	28.5%
4 bedrooms	49.4%
5+ bedrooms	8.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.8%
1 vehicle	18.4%
2 vehicles	47.8%
3 or more	33.0%

Heating fuel

Fuel type	%
Utility gas	15.1%
Electricity	8.6%
Propane / LP gas	8.0%
Fuel oil	59.4%
Wood	1.9%
Solar	1.2%
No fuel used	1.6%

Households & families

Household type	Count	%
Married-couple family	1,267	71.7%
Cohabiting couple	120	6.8%
Male householder, no spouse	156	8.8%
Female householder, no spouse	223	12.6%
Households with children under 18	585	33.1%
Households with seniors (65+)	566	32.0%
Average household size	2.99

Marital status

Status	Male	Female
Never married	28.7%	21.6%
Married	59.4%	62.1%
Separated	0.0%	0.5%
Widowed	3.1%	3.1%
Divorced	8.7%	12.7%

Education

Less than 9th grade 0.6%

Some HS, no diploma 0.9%

HS graduate 7.6%

Some college, no degree 10.3%

Associate's degree 4.3%

Bachelor's degree 41.7%

Graduate / professional 34.6%

Metric	%
HS diploma or higher	98.5%
Bachelor's or higher	76.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	230	17.8%
Kindergarten	17	1.3%
Elementary school	499	38.5%
High school	334	25.8%
College / grad school	215	16.6%

Employment

Industry of employment

Education & healthcare 27.0%

Professional & management 20.2%

Finance & real estate 10.6%

Manufacturing 7.2%

Arts, food & hospitality 7.0%

Retail trade 5.9%

Wholesale trade 5.8%

Other services 5.4%

Construction 3.4%

Information 3.1%

Transportation & utilities 2.2%

Public administration 1.5%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	66.9%
Service	10.2%
Sales & office	19.2%
Natural resources & construction	2.7%
Production & transportation	0.9%

Employment type

Type	%
Private sector	79.5%
Government	12.5%
Self-employed	8.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	55.2%
Carpool	1.1%
Public transit	4.2%
Walk	1.2%
Work from home	37.3%
Other means	1.1%
Avg commute (minutes)	32.9

Poverty

All people 4.3%

Under 18 years 2.3%

18 and over 5.0%

Married-couple families 1.4%

Female-led households 14.9%

Income support

Source	% of households
Social Security	26.7%
Retirement income	16.1%
Supplemental Security	1.0%
Cash public assistance	0.8%
Food stamps / SNAP	1.3%

Health indicators

Condition	%
Obesity	27.9%
High blood pressure	29.4%
High cholesterol	33.9%
Diabetes	8.0%
Heart disease	5.3%
Stroke	2.2%
Asthma	9.9%
Arthritis	27.7%
Kidney disease	2.4%
Pulmonary disease	4.6%
Cancer	7.9%

Behavior / access	%
Smoking	10.4%
Binge drinking	16.0%
No physical activity	16.2%
Less than 7 hrs sleep	29.5%
Depression	17.4%
Fair or poor health	8.1%
Poor mental health	11.3%
Poor physical health	7.3%
No health insurance	3.8%
Visited doctor (checkup)	82.1%
Visited dentist	81.3%
Cholesterol screening	94.9%
Teeth loss	6.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	172	4.3%

Disability	%
Any disability	6.1%
Under 18	1.0%
18–64 years	3.8%
65 and over	22.9%

Health insurance coverage

Type	%
Private insurance	93.8%
Public insurance	16.9%
No insurance	0.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,871	90.8%
Spanish	252	5.2%
Other Indo-European	203	4.2%
Asian & Pacific Islander	13	0.3%
Other languages	36	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,924	91.8%
Born in same state	4,865	90.7%
Born in different state	3,273	61.0%
Foreign born	59	1.1%
Naturalized citizen	438	8.2%
Not a US citizen	250	57.1%

Ancestry

Ancestry	Count	%
Italian	1,585	29.6%
French	1,425	26.6%
Arab	165	3.1%
English	114	2.1%
Irish	58	1.1%

Ancestry	Count	%
Norwegian	53	1%
German	52	1%
Polish	46	0.9%
Dutch	14	0.3%

Technology access

Metric	% of households
Computer access	32.9%
Internet access	98.8%

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

Frequently asked questions about ZIP code 01451

What city is ZIP code 01451 in?

ZIP code 01451 is primarily assigned to Harvard, Massachusetts.

What county is ZIP code 01451 in?

ZIP code 01451 falls within Worcester County, Massachusetts.

How educated is the population of ZIP code 01451?

76% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 01451 mostly owner-occupied?

94% of occupied units in ZIP code 01451 are owner-occupied, well above the national average.

What is the median household income in ZIP code 01451?

The median household income in ZIP code 01451 is $199,191, above the national median of ~$75,000.

What is the typical home value in ZIP code 01451?

The median home value in ZIP code 01451 is $730,300.

What timezone is ZIP code 01451 in?

ZIP code 01451 observes the EST timezone.