Census tracts · Waltham, MA
Census tracts in Waltham, Massachusetts
13 census tracts lie mostly within Waltham, by the 2020 census blocks they share. Median household income runs from $58,887 in Tract 3689.02 to $157,542 in Tract 3681.02, against $120,216 for Waltham as a whole (ACS 2020-2024 5-year estimates).
Which census tracts of Waltham earn the most and the least?
The five tracts with the highest and the lowest median household income among those mostly within Waltham and with a reliable estimate.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
Every census tract in Waltham
Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Waltham.
| Tract 3681.0125017368101 | 1.4 mi north | 5,536±582 | $140,536 |
|---|---|---|---|
| Tract 3681.0225017368102 | 1.5 mi northwest | 4,804±990 | $157,542 |
| Tract 368225017368200 | 1.1 mi west | 3,758±440 | $143,857 |
| Tract 368325017368300 | 1.0 mi southwest | 5,742±965 | $91,955 |
| Tract 368425017368400 | 1.8 mi southwest | 9,513±702 | $131,250 |
| Tract 368525017368500 | 1.4 mi south | 3,355±373 | $93,182 |
| Tract 368625017368600 | 1.8 mi south | 5,688±693 | $125,625 |
| Tract 368725017368700 | 1.6 mi southeast | 2,427±480 | $84,890 |
| Tract 368825017368800 | 1.4 mi southeast | 5,630±588 | $104,608 |
| Tract 3689.0125017368901 | 0.9 mi northeast | 6,054±852 | $129,236 |
| Tract 3689.0225017368902 | 0.8 mi southeast | 3,540±544 | $58,887 |
| Tract 369025017369000 | 1.5 mi east | 3,720±55 | not published |
| Tract 369125017369100 | 1.8 mi east | 5,135±570 | $133,824 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections