ZIP Code 02421 Demographics

Middlesex County, Massachusetts  ·  ACS 2022 5-Year Estimates

ACS 2022 Data

Population & Income Overview

Key statistics for ZIP code 02421 compared to county averages.

Total Population

17,865

↓ 98.9% vs county

Median HH Income

$200,294

↑ +65.1% vs county

Median Home Value

$1,086,500

↑ +66.1% vs county

Median Age

47.8 yrs

↓ +23.2% vs county

Unemployment Rate

3.4%

↑ 23.6% vs county

Income & Housing Comparison

How ZIP 02421 compares to Middlesex County and Massachusetts overall. Data from ACS 2022 5-year estimates.

Median Household Income ZIP 02421 $200k Middlesex $121k Massachusetts $97k

Source: ACS 2022 5-Year Estimates, Table B19013

Median Home Value ZIP 02421 $1.1M Middlesex $654k Massachusetts $484k

Source: ACS 2022 5-Year Estimates, Table B25077

Education & Employment

Bachelor's Rate

25.4%

of adults 25+ hold a bachelor's degree or higher

Owner Occupancy

78.4%

of occupied housing units are owner-occupied

Median Gross Rent

$2,968

per month including utilities

Rent vs. Buy Affordability

Compare estimated monthly costs of home ownership vs renting in ZIP Code 02421 using local Census metrics.

Median Home Value$1,086,500
Down Payment (20%)$217,300
Interest Rate6.5%
Loan Term

Estimated Monthly Costs

Buy (Mortgage, Tax, Ins.)
$6,898P&I: $5494 | Tax: $1087 | Ins: $317
Rent (Local Median)
$2,968
Renting is CheaperRenting is estimated to save you $3,930/month compared to buying costs.

How Does 02421 Compare?

Enter another ZIP code to see a side-by-side comparison.

Location & Neighboring Areas

Interactive map showing ZIP code 02421 (blue pin) and surrounding areas (purple pins). Click pins to view details.

Nearby ZIP Codes

ZIP codes geographically closest to 02421, sorted by distance.

02420 1.7 mi away middlesex county 01731 2.4 mi away middlesex county 02451 2.9 mi away middlesex county 02452 3.3 mi away middlesex county 02476 3.6 mi away middlesex county 01773 3.7 mi away middlesex county 02478 4.3 mi away middlesex county 02474 4.4 mi away middlesex county

About Middlesex County

Middlesex County is located in Massachusetts and has a total population of 1,623,109. The county's median household income is $121,304 and median home value is $654,300. ZIP code 02421 is one of many ZCTAs within this county.

View all ZIP codes in Middlesex County

Data source: American Community Survey (ACS) 2022 5-Year Estimates, U.S. Census Bureau. ZCTAs (ZIP Code Tabulation Areas) are used as proxies for USPS ZIP codes. Some USPS ZIP codes may not have a corresponding ZCTA.