Waltham, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Waltham, Massachusetts is 64,723 as of the 2023 American Community Survey, making it the 17th-largest city in Massachusetts. The median household income is $116,560, the median home value is $705,700, and the median age is 35.1.
The population has grown 8.1% since 2010 (60,889 → 65,849).
64,723
Population
5078
People / sq mi
$116,560
Median Income
$705,700
Median Home Value
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Waltham covers 12.7 sq mi of land at 5078 people per square mile.
About Waltham, MA
Housing cost is the defining feature of Waltham: the median home is valued at $705,700. Waltham is a city in Massachusetts with a population of 64,723. It ranks #17 among cities in Massachusetts by population.
The typical household earns $116,560 a year, above the US median of $78,538. The poverty rate, 4.3%, is on the lower side for US cities and below the national 12.4%. Real estate commands a premium here — a median home value of $705,700, with typical rent around $2,232.
Educational attainment is on the higher side for US cities — 56.4% of adults hold a four-year degree, above the national 35.0%. About 20.0% of workers primarily work from home, above the national 14.0%, and the average commute runs about 25 minutes each way.
High housing values reframe the income picture in Waltham — even solid earnings stretch less against home prices and rents at this level.
Waltham city Population History (2010-2024)
The city of Waltham city had a population of 60,889 in 2010 and 65,849 in 2024, a 8.1% growth over 14 years. The peak was 65,849 in 2024. Average annual growth rate: 0.56%.
65,849
Population (2024)
60,889
Population (2010)
65,849
Peak (2024)
0.56%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 60,889 |
| 2011 | 61,382 |
| 2012 | 62,047 |
| 2013 | 62,327 |
| 2014 | 63,114 |
| 2015 | 63,003 |
| 2016 | 62,939 |
| 2017 | 62,822 |
| 2018 | 62,563 |
| 2019 | 62,495 |
| 2020 | 64,238 |
| 2021 | 64,576 |
| 2022 | 64,719 |
| 2023 | 65,165 |
| 2024 | 65,849 |
Race & Ethnicity
| White | 62.2% |
| Black or African American | 7.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.1% |
Economy & Income
$116,560
Median Household Income
$58,065
Per Capita Income
4.3%
Poverty Rate
2.5%
Unemployment Rate
Housing
$705,700
Median Home Value
$2,232
Median Rent
48.8%
Owner-Occupied
Education
92.6%
High School+
56.4%
Bachelor's+
Commute
5.4%
Drive Alone
55.6%
Public Transit
20.0%
Work From Home
24.6 min
Avg Commute
Community Profile
22.9%
Foreign Born
66.5%
Non-English at Home
2.4%
Veterans
10.4%
With Disability
97.4%
Health Insurance
96.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 28.9% |
| Finance, Insurance & Real Estate | 18.3% |
| Manufacturing | 11.1% |
| Information | 6.9% |
| Education, Health Care & Social Services | 6.4% |
| Construction | 5.2% |
| Arts, Entertainment & Food Services | 4.9% |
| Transportation & Warehousing | 2.9% |
| Public Administration | 2.8% |
| Retail Trade | 2.4% |
| Agriculture & Mining | 0.1% |
Largest cities in Massachusetts
Largest counties in Massachusetts
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Metro areas in Massachusetts
City rankings
Frequently Asked Questions
Waltham, Massachusetts has a population of 64,723 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 17th-largest city in Massachusetts.
The median household income in Waltham, Massachusetts is $116,560, with 4.3% of residents living below the federal poverty level.
The median home value in Waltham, Massachusetts is $705,700, with median monthly rent at $2,232 and a homeownership rate of 48.8%.
The median age in Waltham, Massachusetts is 35.1 years. The population is 49.3% male and 50.7% female.
The population has grown 8.1% since 2010 (60,889 → 65,849).
Waltham city, MA Climate
Waltham city, MA has an average annual temperature of 9.7°C (49°F) and receives about 1156 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.7°C
Avg Temp
1156
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 26° | 102 mm |
| February | -2° / 28° | 87 mm |
| March | 3° / 37° | 104 mm |
| April | 8° / 47° | 97 mm |
| May | 14° / 58° | 90 mm |
| June | 19° / 66° | 89 mm |
| July | 23° / 73° | 88 mm |
| August | 22° / 71° | 94 mm |
| September | 17° / 63° | 93 mm |
| October | 11° / 52° | 100 mm |
| November | 6° / 43° | 109 mm |
| December | 0° / 32° | 103 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Waltham city, MA
The most comfortable months to visit Waltham city, MA are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -9°C low). November is usually the wettest month.
Where to stay near Waltham
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Statewide data for Massachusetts
Population, race, income, age, and trends across Massachusetts
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.