ZIP Code 01434 has segments in 2 Counties (Middlesex, Worcester).
The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2025, Maps updated: May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 1,550 (100%) |
| Population in Households | 455 (29.4%) |
| Population in Families | 383 (24.7%) |
| Population in Group Quarters1 | 1,095 (70.6%) |
| Population Density | 303 |
| Diversity Index2 | 67 |
INCOME | |
| Median Household Income | $124,441 |
| Average Household Income | $165,354 |
| % of Income for Mortgage4 | 23% |
| Per Capita Income | $27,761 |
| Wealth Index5 | 158 |
| Socioeconomic Status Index6 | Moderate (62.2) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 195 (100%) |
| Owner Occupied HU | 129 (66.2%) |
| Renter Occupied HU | 36 (18.5%) |
| Vacant Housing Units | 30 (15.4%) |
| Median Home Value | $457,857 |
| Average Home Value | $485,078 |
| Housing Affordability Index3 | 99 |
HOUSEHOLDS | |
| Total Households | 165 |
| Average Household Size | 2.76 |
| Family Households | 130 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.51% | 0.06% |
| Households | 0.00% | 0.12% |
| Families | -1.26% | |
| Median Household Income | 3.32% | |
| Per Capita Income | 1.72% | |
| Owner Occupied HU | 0.15% |
The table below compares 01434 to the other 517 ZIP Codes in Massachusetts by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 436 | 16th |
| Population Density | # 379 | 27th |
| Median Household Income | # 187 | 64th |
| Housing Affordability Index | # 497 | 96th |
| Per Capita Income | # 498 | 4th |
| Diversity Index | # 79 | 85th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.