PlainZIP

Westborough, MA · standard

ZIP Code 01581

Worcester County, Massachusetts - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

18,272
342/sq mi
$141,944
Median income
$685,300
Median home value
65.2%
Bachelor's or higher

The verdict

Westborough pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs
Top 7%
home value, US ZIPs
342
people per sq mi
62%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 01581 against every reporting US ZIP.

ZIP code 01581 is a mid-sized community (a standard USPS delivery area) in Westborough, Worcester County, Massachusetts, home to 18,272 residents across 53.4 square miles, a density of 342 people per square mile, in the New York time zone.

ZIP 01581 skews affluent, with a median household income of $141,944 (23% above the Massachusetts average), while per-capita income is $66,421. Poverty here runs at 6.3%, with unemployment measured at 4.3%. On housing, the median home value is $685,300 (14% above the state average) with median rent at $2,106 per month, and 61.8% of occupied units are owner-occupied.

This is a highly-educated ZIP: 65.2% of adults hold a bachelor's degree or higher, the median age is 38.8, and the average commute is 29 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 01581, plus 6 more within Worcester County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 01581

Top 5 sectors by establishment count in Westborough, MA

Which industries have the most business establishments in ZIP 01581.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 01581, Westborough, MA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

18,272

Population

53.4

Area (sq mi)

342

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 01581?

38.8

Median Age

47.9%

Male

52.1%

Female

30.3%

Foreign-Born

White 59.1%
African American 3.1%
Asian 23.2%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.2%
Hispanic or Latino 7.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$141,944

Median Household Income

+23% vs state

$66,421

Per Capita Income

6.3%

Poverty Rate

4.3%

Unemployment Rate

28.5 min

Mean Commute Time

How ZIP 01581 ranks nationally

Westborough, MA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$141,944 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 80.3%
Bachelor's Degree or Higher 65.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

8,342

Total Housing Units

7,964

Occupied Units

378

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 61.8%
Renter 38.2%

$685,300

Median Home Value

+14% vs state

$2,106

Median Rent

1976

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.9%

YoY Change (2024)

257

HPI Index (2000 = 100)

+157%

Total Change Since 2000

Home values in ZIP 01581 have increased 5.9% over the past year (2024). Since 2000, this ZIP has seen +157% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.5% 172
2021 +11.1% 191
2022 +11.8% 214
2023 +13.5% 243
2024 +5.9% 257

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 955 business establishments in ZIP 01581, employing approximately 30,063 people with a combined annual payroll of $2,445,537,000.

955

Businesses

30,063

Employees

$2.4B

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 161 16.9%
Health care and social assistance 131 13.7%
Accommodation and food services 87 9.1%
Retail trade 86 9.0%
Finance and insurance 80 8.4%
Other services (except public administration) 76 8.0%
Administrative and support and waste management and remediation services 60 6.3%
Construction 49 5.1%
Wholesale trade 44 4.6%
Real estate and rental and leasing 41 4.3%
Manufacturing 34 3.6%
Information 24 2.5%
Educational services 23 2.4%
Transportation and warehousing 20 2.1%
Management of companies and enterprises 16 1.7%
Arts, entertainment, and recreation 14 1.5%
Utilities 7 0.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 01581 vs 01532 →

ZIP 01581 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 01581 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 01581 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 01581 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
01532 Northborough, MA 14,155 4.1 mi
01568 Upton, MA 7,480 6.3 mi
01536 North Grafton, MA 6,888 4.7 mi
01772 Southborough, MA 9,370 4.9 mi
01545 Shrewsbury, MA 35,299 5.3 mi
01748 Hopkinton, MA 14,925 4.9 mi
01519 Grafton, MA 6,595 5.7 mi
01745 Fayville, MA 397 6.0 mi
01503 Berlin, MA 2,866 8.1 mi
01752 Marlborough, MA 38,499 6.6 mi

More ZIP Codes in Worcester County

01453 standard
Leominster, MA
Pop: 40,883
01420 standard
Fitchburg, MA
Pop: 40,337
01545 standard
Shrewsbury, MA
Pop: 35,299
01604 standard
Worcester, MA
Pop: 34,677
01757 standard
Milford, MA
Pop: 28,061
01605 standard
Worcester, MA
Pop: 26,221

Related Areas

Worcester County Westborough, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 01581 in? ▼
ZIP code 01581 (Westborough) is located in Worcester County, Massachusetts. Worcester County contains multiple ZIP codes, see the full list at /counties/worcester-ma.
What is the population of ZIP code 01581? ▼
ZIP code 01581 in Westborough, MA has a population of 18,272 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01581? ▼
The median household income in ZIP 01581 is $141,944, which is 86% above the national average of $76,288.
What is the average home value in ZIP 01581? ▼
The median home value in ZIP 01581 is $685,300, which is 146% above the national average of $278,155.
What is the demographic makeup of ZIP 01581? ▼
The largest racial group in ZIP 01581 is White at 59.1%. Hispanic or Latino residents make up 7.4% of the population.
How many businesses are in ZIP code 01581? ▼
ZIP code 01581 has 955 business establishments employing approximately 30,063 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01581? ▼
The top industries by establishment count in ZIP 01581 are: Professional, scientific, and technical services (161), Health care and social assistance (131), Accommodation and food services (87). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 01581? ▼
According to the FHFA House Price Index, home values in ZIP 01581 increased by 5.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 157%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 01581? ▼
In ZIP code 01581, 80.3% of residents aged 25+ have a high school diploma or higher, and 65.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 01581? ▼
The mean commute time for workers in ZIP code 01581 is 28.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 01581? ▼
In ZIP code 01581, approximately 61.8% of occupied housing units are owner-occupied and 38.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01581? ▼
The poverty rate in ZIP code 01581 is 6.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.