ZIP Code Tabulation Area

02451

Waltham, MA · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
17,393
Median household income
$122,335
People below poverty
8.3%
Median home value
$753,000

Income

The median income of households in 02451 was $122,335. An estimated 0.9% of households had income below $10,000 a year and 28.5% had income of $200,000 or more.

Household Income in 02451 in 2020-2024

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Percent
Less than $10,000 0.9
$10,000 to $14,999 2.8
$15,000 to $24,999 8.3
$25,000 to $34,999 3.5
$35,000 to $49,999 8
$50,000 to $74,999 7.6
$75,000 to $99,999 7.8
$100,000 to $149,999 19.2
$150,000 to $199,999 13.3
$200,000 or more 28.5

Median Earnings for Full-Time Year-Round Workers by Sex in 02451 in 2020-2024

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Dollars
Male 97652
Female 86281

An estimated 80.9% of households received earnings. An estimated 25.7% of households received Social Security and an estimated 22.2 % of households received retirement income other than Social Security. The average income from Social Security was $25,818. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in 02451 in 2020-2024

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Percent
Earnings 80.9
Social Security 25.7
Retirement income 22.2
Supplemental Security Income (SSI) 9.1
Cash public assistance income 0.4

Poverty and Participation in Government Programs

In 2020-2024, 8.3 % of people were in poverty. An estimated 6.3% of children under 18 were below the poverty level, compared with 7% of people 65 years old and over. An estimated 9.1% of people 18 to 64 years were below the poverty level.

Poverty Rates in 02451 in 2020-2024

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Percent
People in poverty 8.3
Children under 18 years below poverty 6.3
People 65 years old and over below poverty 7
People 18 to 64 years below poverty 9.1

In 2020-2024, 8.7 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 31.2% of households that received SNAP had children under 18, and 32.6% of households that received SNAP had one or more people 60 years and over. An estimated 24.6% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in 02451 in 2020-2024, 98.7% had health insurance coverage and 1.3% did not have health insurance coverage. Private coverage was 81.7% and public coverage was 31.4%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 0.3%.


In 2020-2024, 02451 had a total population of 17,393 - 8,683 (49.9%) females and 8,710 (50.1%) males. The median age was 40.3 years. An estimated 14.5% of the population was under 18 years, 39.1% was 19 to 44 years, 26.2% was 45 to 64 years, and 18.8 % was 65 years and older.

Population by Age and Sex for 02451 in 2020-2024

Male Female
Under 5 438 453
5 to 9 429 443
10 to 14 248 293
15 to 19 218 257
20 to 24 740 698
25 to 29 970 747
30 to 34 617 501
35 to 39 850 719
40 to 44 449 497
45 to 49 466 458
50 to 54 496 651
55 to 59 931 628
60 to 64 494 435
65 to 69 452 520
70 to 74 262 354
75 to 79 315 467
80 to 84 260 280
85 and over 75 282

Hispanic Origin and Race

For people reporting one race alone, 56.7% were White; 8.7% were Black or African American; 3% were American Indian and Alaska Native; 17% were Asian; 3.1% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 11% reported Two or More Races. An estimated 15.2% of the people in 02451 were Hispanic or Latino. An estimated 55.4% of the people in 02451 were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 7,481 households in 02451. The average household size was 2.3 people.

Married-couple households made up 44.2% of the households in 02451 while cohabiting couple households made up 6.5% of households. Female householders with no spouse or partner present were 26.6% of all households, while 22.7% of households had male householders with no spouse or partner present. Some households had one person, as 14.1% of households were male householders living alone, and 15.1% were female householders living alone, for a total of 29.2% of all households.

In 02451, 18.6% of all households had one or more people under the age of 18; 33.6% of all households had one or more people 65 years and over.

Types of Households in 02451 in 2020-2024

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Percent
Married-couple households 44.2
Cohabiting Couples 6.5
Male Householder
No spouse/partner present
22.7
Female Householder
No spouse/partner present
26.6

Marital Status

Among persons 15 and older, 46.5% of males and 43.1% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 44.2 34.9
Now married, except separated 46.5 43.1
Separated 0.8 1.8
Widowed 2.8 10.5
Divorced 5.8 9.5

Grandparents and Grandchildren

In 02451, 167 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 12.6% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 70.6% of the people living in 02451 were U.S. natives. 47.4% of the 02451 population were living in the state where they were born.

Approximately 29.4% of 02451 residents in 2020-2024 were foreign-born. 64.8% of foreign-born were naturalized U.S. citizens and an estimated 64.5 % entered the country before the year 2010.

Foreign-born residents of 02451 come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for 02451.

Region of Birth for the Foreign-Born Population in 02451 in 2020-2024

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Percent
Latin America 35.9
Asia 47
Europe 7.6
Africa 4.3
Northern America 5.2
Oceania 0

Language

Among people at least five years old living in 02451 in 2020-2024, 32.6 % spoke a language other than English at home. Spanish was spoken by 11.2% of people at least five years old; 11.8% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in 02451 in 2020-2024

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Percent
Spanish 11.2
Other Indo-European languages 10.5
Asian and Pacific Islander languages 9.4
Other languages 1.5

Geographic Mobility

In 2020-2024, 85.5 % of the people at least one year old living in 02451 were living in the same house one year earlier.

Geographic Mobility of Residents of 02451 in 2020-2024

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Percent
Same house 85.5
Different house, same county 6.4
Different county, same state 2.4
Different state 3.4
Abroad 2.2

Education

In 2020-2024, 94.6 % of people 25 years and over had at least graduated from high school and 56% had a bachelor's degree or higher. An estimated 5.4% did not complete high school.

The total school enrollment in 02451 was 3,476 in 2020-2024. Nursery school enrollment was 316 and kindergarten through 12th grade enrollment was 1,550. College or graduate school enrollment was 1,610.

Educational Attainment of People in 02451 in 2020-2024

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Percent
Less than high school diploma 5.4
High school diploma or equivalency 21.1
Some college, no degree 10.6
Associate's degree 6.9
Bachelor's degree 28.3
Graduate or professional degree 27.7

Disability

In 02451, among the civilian noninstitutionalized population in 2020-2024, 13.3 % reported a disability. The likelihood of having a disability varied by age - from 5.1% of people under 18 years old, to 8.9% of people 18 to 64 years old, and to 35.8% of those 65 and over.


Employment Status and Type of Employer

In 02451, 66.8 % of the population 16 and over were employed; 30.5% were not currently in the labor force.

An estimated 86.5% of the people employed were private wage and salary workers; 10.2% were federal, state, or local government workers; and 3.2 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 8,692 86.5
Federal, state, or local government workers 1,028 10.2
Self-employed workers in own not incorporated business 323 3.2

Industries

In 2020-2024, the civilian employed population 16 years and older in 02451 worked in the following industries:

Percent by Industry in 02451 in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 0.1
Construction 7.7
Manufacturing 8.4
Wholesale trade 0.4
Retail trade 9.3
Transportation and warehousing, and utilities 2.8
Information 2.5
Finance and insurance, and real estate and rental and leasing 8.8
Professional, scientific, and management, and administrative and waste management services 20.7
Educational services, and health care and social assistance 27
Arts, entertainment, and recreation, and accommodation, and food services 4.8
Other Services, except public administration 3.9
Public administration 3.6

Occupations

Occupations for the Civilian Employed Population 16 Years and over in 02451 in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 6,077 60.5
Service occupations 994 9.9
Sales and office occupations 1,758 17.5
Natural resources, construction, and maintenance occupations 668 6.7
Production, transportation, and material moving occupations 546 5.4

Commuting to Work

An estimated 58.9% of 02451 workers drove to work alone in 2020-2024, and 8.1% carpooled. Among those who commuted to work, it took them on average 26.1 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in 02451 in 2020-2024

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Percent
Car, truck, van -- drove alone 58.9
Car, truck, van -- carpooled 8.1
Public transportation (excluding taxicab) 5.8
Walked 0.9
Other means 5.1
Worked from home 21.2

In 2020-2024, 02451 had a total of 7,748 housing units. Of these housing units, 62.2% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 37.5% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 0.3% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in 02451 in 2020-2024

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Percent
Single-family houses 62.2
Apartments in multi-unit structures 37.5
Mobile homes 0.3
Boat, RV, van, etc 0

5.9% of the housing inventory was comprised of houses built since 2010, while 23.9% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in 02451 was 5.7 rooms, and of these housing units 59.7% had three or more bedrooms.


In 2020-2024, 02451 had 7,481 housing units that were occupied or had people living in them, while the remaining 267 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 59.3% while renters occupied 40.7%. The average household size of owner-occupied houses was 2.37 and in renter-occupied houses it was 2.19.

3.5% of householders of these occupied houses had moved into their house since 2021, while 13.4% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 8.4% and another 11.8% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in 02451:

House Heating Fuel Used in 02451 in 2020-2024

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Percent
Gas 57.9
Electricity 19
Fuel oil, kerosene, etc 21.6
All other fuels 0.5
No fuel used 0.9

In 2020-2024, the median property value for owner-occupied houses in 02451 was $753,000.

Of the owner-occupied households, 66.2 % had a mortgage. 33.8% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $3,191 and for owners without a mortgage it was $893.

For renter-occupied houses, the median gross rent for 02451 was $2,677. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.