ZIP code
01581
Westborough, MA
01581 covers Westborough in Worcester County, with 21,591 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 01581. Methodology
ZIP code map of 01581
About ZIP code 01581
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 01581. Not ACS. Methodology
People in 01581
Race
- White13,183
- Black or African American472
- American Indian or Alaska Native43
- Asian5,589
- Other race728
- Two or more races1,552
Hispanic or Latino (any race): 1,294
Age
- Under 102,656
- 10 to 193,089
- 20 to 292,297
- 30 to 393,027
- 40 to 493,039
- 50 to 593,003
- 60 to 692,169
- 70 to 791,313
- 80 and older974
Income and housing in 01581
Education
- High school graduate96.0%
- Bachelor's degree66.0%
- Graduate degree36.6%
Places covering 01581
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Westborough19.7%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Worcester County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
80.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 01581
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 18,497 | |
| 2006 | 17,828 | |
| 2007 | 18,692 | |
| 2008 | 18,454 | |
| 2009 | 18,535 | |
| 2010 | 18,733 | |
| 2011 | 18,285 | 18,827 |
| 2012 | 18,345 | 18,920 |
| 2013 | 18,371 | 19,110 |
| 2014 | 18,481 | 19,090 |
| 2015 | 18,611 | 19,460 |
| 2016 | 18,706 | 19,950 |
| 2017 | 18,836 | 20,040 |
| 2018 | 18,982 | 20,030 |
| 2019 | 19,037 | 19,750 |
| 2020 | 19,035 | 20,150 |
| 2021 | 21,213 | 19,600 |
| 2022 | 21,360 | 20,070 |
| 2023 | 21,591 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 01581
12 nearest ZIP centroids (any distance)
- 01532Northborough4.2 miPop 15,694 · Income $174,358
- 01536North Grafton4.8 miPop 7,119 · Income $105,795
- 01748Hopkinton4.8 miPop 19,050 · Income $204,418
- 01772Southborough4.8 miPop 9,781 · Income $196,680
- 01545Shrewsbury5.3 miPop 38,440 · Income $136,225
- 01519Grafton5.6 miPop 7,738 · Income $153,750
- 01745Fayville6.1 miPop 660 · Income $180,833
- 01568Upton6.3 miPop 7,926 · Income $161,429
- 01752Marlborough6.5 miPop 41,398 · Income $95,047
- 01560South Grafton7.1 miPop 4,914 · Income $98,884
- 01721Ashland7.2 miPop 18,694 · Income $127,106
- 01505Boylston8.0 miPop 4,896 · Income $124,732
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 01581, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 01581 FAQ
- What city is ZIP code 01581 in?
- 01581 is in Westborough, MA.
- What county is 01581 in?
- 01581 is in Worcester County.
- What is the median household income in 01581?
- The median household income in 01581 is $134,474.
- Which ZIP codes are near 01581?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 01581.