Westborough, MA 01581 ZIP Code Profile

Related Place Profiles:
Westborough, MA

ZIP Code 01581: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Westborough, MA 01581

Not Acceptable, USPS
Westboro, MA 01581

  • ZIP Code Type: STANDARD
  • County: Worcester County
  • Centroid: Latitude 42.267, Longitude -71.617
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,240
  • PO Box Addresses: 231
  • Residential Addresses: 7,908
    • Multi-Family Addresses: 2,068
    • Single Family Addresses: 5,840

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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01581 ZIP Code Map

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Westborough, MA 01581 Data & Demographics (As of July 1, 2017)


Total Population 19,720
Daytime Population: Workers 23,056
Daytime Population: Residents 9,189
Total Daytime Population (TDP) 32,245
Ratio TDP/Total Population1 1.64
Population in Households 19,223
Population in Familes 16,084
Population in Group Qrtrs 497
Population Density2 918
Diversity Index3 50


Median Household Income $108,360
Average Household Income $136,812
Per Capita Income $51,916


Total Housing Units 7,864 (100%)
Owner Occupied HU 4,488 (57.1%)
Renter Occupied HU 2,920 (37.1%)
Vacant Housing Units 456 ( 5.8%)
Median Home Value $471,773
Average Home Value $512,907


Total Households 7,408
Average Household Size 2.59
Family Households 5,066
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.06% 0.95%
Households 0.94% 0.9%
Families 0.85% 0.84%
Median Household Income   1.68%
Per Capita Income   2.29%

Westborough, MA 01581 - Peer Comparisons by Rank and Percentile

The table below compares 01581 to the other 521 ZIP Codes in Massachusetts by rank and percentile using July 1, 2017 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 # 125 76th
Population Density # 237 55th
Diversity Index # 103 80th
Median Household Income # 79 85th
Per Capita Income # 107 80th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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