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ZIP Code 02421

ZIP / ZCTA

Population: 17,798

ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes. Boundaries may differ slightly from postal delivery areas, and estimates for less-populated ZCTAs carry higher margins of error.

Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — 02421

What is the median household income in 02421?
The median household income in 02421 is $212,843 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 02421?
The poverty rate in 02421 is 4.2% (U.S. Census Bureau ACS 2023).
What is the median home value in 02421?
$1,147,700 (U.S. Census Bureau ACS 2023).
What is the average rent in 02421?
The median gross rent in 02421 is $2,847 per month (U.S. Census Bureau ACS 2023).
What percentage of 02421 residents have a college degree?
84.7% of adults in 02421 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
17,798
Median Income
$212,843
Median Home Value
$1,147,700
Poverty Rate
4.2%
Unemployment (ACS 2023)
2.2%
Median Age
47.0 yrs
Since 2019 Median Income: +$34,485 (+19.3%) Home Value: +$259,900 (+29.3%) Poverty Rate: +1.9 pp (+82.6%) Bachelor's+: +0.5 pp (+0.6%) Unemployment: -2.0 pp (-47.6%)

Demographics

Total Population 17,798
Median Age 47.0
Female 52.7%
Race & Ethnicity
Hispanic or Latino 2.8% White (non-Hisp.) 55.8% Black 1.5% Asian 34.5% Two or More 5.4% Other 1.7%
Asian Subgroups (% of total pop.)
Chinese
15.5%
Indian
13.6%
Korean
3.2%
Japanese
0.5%
Vietnamese
0.1%
Hispanic Subgroups (% of total pop.)
Puerto Rican
0.6%
Mexican
0.5%
Cuban
0.3%

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

Income & Poverty

Median Household Income $212,843 ±$33,824
Per Capita Income $291,614
Median Family Income $250,001
Poverty Rate 4.2%
Child Poverty Rate 5.2%
Working-Age Poverty Rate
SNAP Recipients 4.2%
Social Security Income
Retirement Income 23.8%
Household Income Distribution
< $10k
4.6%
$10–15k
1.8%
$15–25k
2.6%
$25–35k
2.7%
$35–50k
2.1%
$50–75k
5.3%
$75–100k
5.1%
$100–150k
10.7%
$150–200k
14.0%
$200k+
51.2%

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

Housing

Total Housing Units 6,913
Owner-Occupied 76.3%
Renter-Occupied 23.7%
Vacancy Rate 2.1%
Median Home Value $1,147,700
Median Gross Rent $2,847
Owner Cost Burden (30%+) 17.7%
Renter Cost Burden (30%+) 46.7%
Home Value Distribution
< $50k
0.2%
$50–100k
0.2%
$100–200k
1.6%
$200–300k
0.9%
$300–500k
4.0%
$500k–$1M
29.1%
$1M+
63.8%
Gross Rent Distribution
< $500
17.5%
$500–1k
3.7%
$1–1.5k
10.3%
$1.5–2k
3.0%
$2–2.5k
5.8%
$2.5–3.5k
14.1%
$3.5k+
45.7%
Vehicle Availability
No vehicle
7.3%
1 vehicle
28.0%
2 vehicles
51.5%
3+
13.2%
Housing Type
Single-fam. det.
68.6%
Single-fam. att.
7.5%
2–4 units
1.2%
5–19 units
2.9%
20+ units
10.8%
Housing Age
Pre-1940
21.5%
1940–1969
4.2%
1970–1999
8.3%
2000–2009
11.9%
2010+
8.7%

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

Education

High School or Higher 97.0%
Bachelor's or Higher 84.7%
Graduate Degree 59.0%
Some College / Associate 4.2%
Less Than High School 1.4%
Enrolled in School

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

Employment

Labor Force Participation 61.6%
Unemployment Rate 2.2%
Work from Home 33.7%
Self-Employed 6.8%
Government Workers 7.4%
Private For-Profit 85.6%
Industry
Prof. Services
28.5%
Edu/Health
24.4%
Manufacturing
17.9%
Finance
8.2%
Arts/Entmt.
6.4%
Retail
5.1%
Information
2.6%
Public Admin
2.1%
Wholesale
1.7%
Construction
0.5%
Transportation
0.5%
Occupation
Management
78.1%
Sales
11.4%
Food Prep
6.5%
Production
3.6%
Construction
0.5%

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

Commute

Median Travel Time 30.7 min
Drove Alone 53.8%
Carpool 3.9%
Public Transit 5.0%
Work from Home 33.7%
Walked 2.1%
Bicycle

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

Households & Families

Total Households 6,765
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 67.7%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 32.8%
Multigenerational

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

Age Distribution

Under 5
2.4%
5–9
6.3%
10–14
10.3%
15–19
8.0%
20–24
2.3%
25–34
3.8%
35–44
10.6%
45–54
20.0%
55–64
8.2%
65–74
5.4%
75–84
10.8%
85+
8.0%
Under 18: 25.6% Working age (18–64): 74.4% 65 and over: 22.7%

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

Social Characteristics

Immigration

Foreign Born 36.3%
Naturalized Citizen 59.8%
Speaks English Less Than Very Well 10.6%
Foreign-Born Origin
Asia
71.7%
Europe
18.2%
Latin America
4.8%
Africa
3.2%

Veterans & Disability

Veteran 2.8%
With a Disability 8.8%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 99.2%
Uninsured 0.8%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 96.8%
Has a Computer 98.0%
Same House 1 Year Ago 86.8%
Moved from Abroad 3.7%

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