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ZIP Code 01721, Massachusetts

ZIP Code 01721 profile, demographic data, and geographic information.

ZCTA5 01721 is a 5-digit ZIP Code area located in Middlesex County, Massachusetts. As of official census estimates, it has a reported population of 18,873. The land area covers 12.34 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 18,873 ±26 2020-2024 / Census ACS 5-Year 2024
Median Age 42.1 yrs ±1.4 2020-2024 / Census ACS 5-Year 2024
Total Households 7,643 ±322 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 8,094 ±441
Occupied Housing Units 7,643 ±322
Vacant Housing Units 451 ±249
Median Home Value $611,700 ±$18,288
Median Gross Rent $2,452 ±$298
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $127,539 ±$10,749
Per Capita Income $70,893 ±$4,944
Poverty Rate 3.5% ±1.5%
Population Below Poverty Level 654 ±281
Unemployment Rate 5.4% ±2.1%
Civilian Labor Force, Employed 10,512 ±451
Broadband Internet Rate 96% ±1.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 06-08 Marlborough, MA
Regular School Nearby KG-05 Waban, MA
Regular School Nearby 06-12 Marlborough, MA
Regular School Nearby 02-03 Southborough, MA
Regular School Nearby PK-05 Concord, MA
Regular School Nearby 09-12 Northborough, MA
Regular School Nearby KG-03 Westborough, MA
Regular School Nearby 06-08 Franklin, MA
Regular School Nearby 09-12 Ashland, MA
Regular School Nearby 06-08 Ashland, MA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Framingham State University
College 3.3 mi away 100 State Street, Framingham, MA, 01701-9101
5086201220
ASHLAND PUBLIC LIBRARY
Library 0.6 mi away 66 FRONT ST., ASHLAND, MA, 01721
(508) 881-0134
Spa Tech Institute-Westboro
College Vocational 8.4 mi away 227 Turnpike Rd. - Suite 1, Westborough, MA, 01581
5088368864
HOPKINTON PUBLIC LIBRARY
Library 3.0 mi away 13 MAIN STREET, HOPKINTON, MA, 01748
(508) 497-9777
Assabet Valley Regional Technical School
College Vocational 8.9 mi away 215 Fitchburg St, Marlborough, MA, 01752
5084859430
FRAMINGHAM BOOKMOBILE
Library 3.4 mi away 49 LEXINGTON ST., FRAMINHAM, MA, 01702 —
Wellesley College
College 8.9 mi away 106 Central St, Wellesley, MA, 02481-8203
7812831000
FRAMINGHAM PUBLIC LIBRARY
Library 3.4 mi away 49 LEXINGTON STREET, FRAMINGHAM, MA, 01702
(508) 532-5570
Blackstone Valley Vocational Regional School District
College Vocational 9.7 mi away 65 Pleasant St, Upton, MA, 01568-1499
5085297758
SOUTHBOROUGH PUBLIC LIBRARY
Library 4.3 mi away 25 MAIN ST., SOUTHBOROUGH, MA, 01772
(508) 485-5031
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at NATICK, MA US, located 6.9 miles from ZCTA5 01721. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 35.2° 17.5° 26.4° 3.37" 13.8"
February 38.2° 17.6° 27.9° 3.07" 8.9"
March 46.1° 25.4° 35.7° 3.95" 8.2"
April 58.0° 35.1° 46.6° 4.07" 2.2"
May 67.7° 45.6° 56.7° 3.78" 0.0"
June 76.5° 55.9° 66.2° 4.14" 0.0"
July 81.8° 61.7° 71.8° 3.85" 0.0"
August 80.4° 59.4° 69.9° 3.82" 0.0"
September 73.0° 51.8° 62.4° 4.21" 0.0"
October 61.7° 39.7° 50.7° 4.83" 0.0"
November 51.3° 31.1° 41.2° 3.74" 1.1"
December 40.7° 22.9° 31.8° 4.43" 11.5"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Cordaville CDP CDP 2.6 mi —
Hopkinton CDP CDP 3.4 mi —
Framingham city City 4.0 mi —
Marlborough city City 7.3 mi —
Westborough CDP CDP 7.3 mi —
Milford CDP CDP 7.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 01721. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.