ZIP Code 01451 in Harvard, MA

Data Last Updated: October 1, 2025
City:Harvard, Massachusetts
County:Worcester County
Timezone:Eastern (GMT -05:00)
Local Time:7:41:11 PM
Population:5,461 [See All]
Area Codes:978 / 351
Classification:Standard [Normal Street Delivery]
Coordinates:42.4985, -71.5819
Land Area:21.047 sq mi
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Population & Demographics


ZIP Code 01451 has 5,461 residents and 1,975 households (average 2.73 persons per household). The median age is 48.6 years, significantly older than the state (39.9) and significantly older than the nation (38.8). The gender split is 50.0% male and 50.0% female, which is slightly higher than the state male share (48.4%). Largest groups are White (84.9%, much higher than the state average of 69.6% and well above the national average of 61.6%) and Asian (6.7%); Hispanic or Latino residents make up 3.0%, which is much lower than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:5,461Source: Census DHC
2023 ACS Population Estimate:5,359Source: Census ACS
2025 ZC Population Estimate:5,394Source: ZIP-Codes.com
Population Density:259.5 people per sq mile
Average Income:$206,607Source: Census ACS
Households:1,975Source: Census DHC
Average House Value:$849,200Source: Census ACS
Persons Per Household:2.73Source: Census DHC
Average Family Size:2.54Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--4,7114,9154,9644,8414,7584,6294,6304,6254,7314,5765,0685,3625,359
Decennial Census4,747------------------5,461------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 48.6

Male Median Age: 48.2

Female Median Age: 48.9

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male10615219923215369851211491712222442532261511055239
Female9516618720712476961291501832472542341931791075451
Total20131838643927714518125029935446949848741933021210690
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:4,63787.41%
Black:621.17%
Hispanic:*1633.07%
Asian:3666.90%
American Indian:100.19%
Hawaiian:00%
Other:671.26%
Total:5,305100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:2,72949.97%48.2 years
Females:2,73250.03%48.9 years
Total:5,461100%48.6 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:4,88691.17%
Native, born in PR, Island Areas, or abroad:691.29%
Foreign born, naturalized U.S. citizen:2604.85%
Foreign born, not a U.S. citizen:1447.54%
Total Population:5,359100%
Total Native Population:4,95592.46%
Total Foreign-born Population:4047.54%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $206,607, which is far above the national median ($78,538), is up $66,384 (47.3%) since 2011 and above its 2019 pre-pandemic level by $43,988. Family households earn a median of $247,891 versus $66,167 for nonfamily households (a difference of $181,724). By gender, male median income is $175,833 and female is $106,863, which is considerably higher than the national female median ($53,445), with a current gap of $68,970 that has widened from 2011 to 2023. The labor-force participation rate is 70.0%, which is above the national rate (63.5%). The unemployment rate is 5.9%, which is slightly higher than the state rate (5.1%). The largest occupation group is Management (71.2%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$140,223$144,143$136,058$135,357$126,667$140,192$143,625$155,515$162,619$177,422$174,444$199,191$206,607
Median Family Income$159,583$154,732$149,453$149,531$140,521$158,065$163,889$176,458$175,650$194,032$189,315$227,250$247,891
Median NonFamily Income$92,917$95,208$64,500$77,639$73,750$67,500$60,795$73,750$78,472$84,792$44,050$63,203$66,167
Median Male Income$121,964$128,938$126,856$125,128$0$125,385$120,729$128,125$125,478$138,819$127,443$164,886$175,833
Median Female Income$68,611$72,500$77,679$69,917$0$71,488$74,228$79,091$90,943$90,389$94,107$101,250$106,863
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:2,74965.89%
Unemployed:1724.12%
Not In Labor Force:1,25129.99%
Total:4,172100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:1,95771.19%
Service:1726.26%
Sales and Office:53019.28%
Natural resources, construction, and maintenance:672.44%
Production, transportation, and material moving:230.84%
Total Civilian Employed Population:2,749100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $849,200, which is far above the national median ($303,400), is up $206,800 (32.19%) since 2011 and above its 2019 pre-pandemic level by $251,900. The median gross rent is $1,387, which is considerably lower than the state median ($1,687), is down $1 (0.07%) since 2011 and above its 2019 pre-pandemic level by $145. Of occupied housing, owners make up 90.98% (72.57% with a mortgage, 27.43% free-and-clear) and renters 9.02% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 6.81%, which is much lower than the national rate (10.43%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$642,400$620,200$590,900$566,700$540,900$565,100$568,300$580,600$597,300$617,200$623,100$730,300$849,200
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:2817.18%
$500 to $999:00.00%
$1,000 to $1,499:5835.58%
$1,500 to $1,999:00.00%
$2,000 to $2,499:116.75%
$2,500 to $2,999:127.36%
$3,000 or more:2414.72%
No Rent:3018.40%
Total:163100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$1,388$1,397$1,532$1,569$1,417$1,375$1,375$1,288$1,242$1,211$1,125$1,322$1,387
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):1,19366.02%
Owner Occupied (free and clear, no mortgage):45124.96%
Renter Occupied:1639.02%
Total Occupied Housing Units:1,807100%

Occupied Housing Units:1,80793.19%
Vacant Housing Units (not graphed):1326.81%
Total Housing Units:1,939100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:1,80793.19%
Multi-Family Units:1326.81%
Other Units:00.00%
Total Housing Units:1,939100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 78.20% of adults (25+) have a bachelor's degree or higher, which is far higher than the national rate (35.00%), well above both the state and national averages. High school or higher is 99.60%, which is far higher than the national rate (89.40%). The uninsured rate is 0.50%, which is far lower than the national rate (8.60%). Private coverage is 92.50%, which is well above the national rate (67.30%). Public coverage is 17.10%, which is markedly below the state rate (37.10%). The share of people in poverty is 3.50%, which is far lower than the national rate (8.70%), and above its 2019 pre-pandemic level by 2.00 percentage points. Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (43.84%). College enrollment is 13.17%, which is markedly below the state rate (32.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:50.14%
9th to 12th grade, no diploma:110.30%
High school graduate (includes equivalency):2867.77%
Some college, no degree:3499.49%
Associate's degree:1524.13%
Bachelor's degree:1,51941.29%
Graduate or professional degree:1,35736.89%
Total:3,679100%
High school or higher:3,66399.57%
Bachelor's degree or higher:2,87678.17%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:4,95784.05%
Public Insurance:91515.51%
No Insurance:260.44%
Total:5,898100%
Has Health Insurance:5,87299.56%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty3.5%3.9%4.6%6.9%4.7%2.5%2.7%1.8%1.5%1.4%2.4%2.3%3.5%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:22317.18%
Kindergarten:282.16%
Elementary school (grades 1-8):56943.84%
High school (grades 9-12):30723.65%
College or graduate school:17113.17%
Total:1,298100%
Early Childhood:25119.34%
K-12 (Primary & Secondary School):90469.65%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 01451 supports both business and residential activity. According to the Business Census (2023), there are 148 business establishments, employing about 810 people with an annual payroll of $57,562,000. USPS data shows 1,976 residential mailboxes and 112 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:1,976Source: USPS
# Business Mailboxes:112Source: USPS
Total Delivery Receptacles:2,569Source: USPS
Single Family Delivery Units:1,801Source: USPS
Multi Family Delivery Units:65Source: USPS
# of Businesses:148Source: CBP
1st Quarter Payroll:$12,698,000Source: CBP
Annual Payroll:$57,562,000Source: CBP
# of Employees:810Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 01451 is located in Worcester County, Massachusetts, within the Worcester, MA Metropolitan Statistical Area (CBSA 49340) and Massachusetts's 3rd Congressional District. This Metro area has a population of 861,664 people, about 0.63% of whom live in ZIP Code 01451. It covers 21.047 sq mi of land and a water area of 0.628 sq mi.

CBSA Name:Worcester, MASource: Census
CBSA Number:49340Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:861,664Source: Census
MSA:Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census
Land Area:21.047 sq miSource: Census
Water Area:0.628 sq miSource: Census
Congressional District:03Source: USPS
Congressional Land Area:757.86 sq miSource: Census
PMSA:Boston, MA-NH PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


01452 | | 01450

Schools in ZIP Code 01451


ZIP Code 01451 is in the Harvard School District, which serves grades Pre-Kindergarten thru 12th. There are 2 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Bromfield 14 Massachusetts Avenue
Harvard, MA 01451
District: Harvard School District
Hildreth Elementary School 27 Massachusetts Avenue
Harvard, MA 01451
District: Harvard School District
Immaculate Heart Of Mary School 282 Still River Rd
Still River, MA 01467
District: Private SchoolNearby
Doctor Franklin Perkins School 971 Main St
Lancaster, MA 01523
District: Private SchoolNearby
Rfk Don Watson Academy 120 Old Common Rd
Lancaster, MA 01523
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 01451


Assabet Valley Regional Technical School 215 Fitchburg St
Marlborough, MA 01752
Type: Post Secondary
National Aviation Academy Of New England 130 Baker Ave Extension
Concord, MA 01742
Type: Post Secondary
Alexander Academy 55 Massachusetts Avenue
Lunenburg, MA 01462-0000
Type: Post Secondary
Fitchburg State University 160 Pearl St
Fitchburg, MA 01420-2697
Type: Post Secondary
Greater Lowell Technical School 250 Pawtucket Blvd
Tyngsboro, MA 01879
Type: Post Secondary
Monty Tech 1050 Westminster St
Fitchburg, MA 01420
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov