ZIP Code 01821
ZIP / ZCTAPopulation: 30,203
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 — 01821
- What is the median household income in 01821?
- The median household income in 01821 is $142,564 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 01821?
- The poverty rate in 01821 is 2.3% (U.S. Census Bureau ACS 2023).
- What is the median home value in 01821?
- $581,300 (U.S. Census Bureau ACS 2023).
- What is the average rent in 01821?
- The median gross rent in 01821 is $2,211 per month (U.S. Census Bureau ACS 2023).
- What percentage of 01821 residents have a college degree?
- 41.7% of adults in 01821 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
30,203
Median Income
$142,564
Median Home Value
$581,300
Poverty Rate
2.3%
Unemployment (ACS 2023)
3.0%
Median Age
44.0 yrs
Since 2019
Median Income:
+$36,423 (+34.3%)
Home Value:
+$172,700 (+42.3%)
Poverty Rate:
+0.2 pp (+9.5%)
Bachelor's+:
+4.5 pp (+12.1%)
Unemployment:
-1.2 pp (-28.6%)
Demographics
Total Population
30,203
Median Age
44.0
Female
51.9%
Race & Ethnicity
Hispanic or Latino 3.7%
White (non-Hisp.) 79.8%
Black 3.5%
Asian 9.4%
Two or More 4.5%
Other 1.6%
Asian Subgroups (% of total pop.)
Indian
6.8%
Chinese
1.2%
Korean
0.6%
Filipino
0.1%
Vietnamese
0.1%
Japanese
0.1%
Hispanic Subgroups (% of total pop.)
Puerto Rican
0.8%
Mexican
0.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$142,564
±$8,415
Per Capita Income
$146,734
Median Family Income
$153,460
Poverty Rate
2.3%
Child Poverty Rate
3.0%
Working-Age Poverty Rate
—
SNAP Recipients
7.1%
Social Security Income
—
Retirement Income
29.5%
Household Income Distribution
< $10k
2.6%
$10–15k
1.1%
$15–25k
3.0%
$25–35k
2.5%
$35–50k
5.5%
$50–75k
8.9%
$75–100k
10.7%
$100–150k
18.7%
$150–200k
22.4%
$200k+
24.6%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
11,666
Owner-Occupied
81.1%
Renter-Occupied
18.9%
Vacancy Rate
1.3%
Median Home Value
$581,300
Median Gross Rent
$2,211
Owner Cost Burden (30%+)
20.9%
Renter Cost Burden (30%+)
34.5%
Home Value Distribution
< $50k
2.8%
$50–100k
0.7%
$100–200k
1.2%
$200–300k
2.4%
$300–500k
25.2%
$500k–$1M
65.7%
$1M+
1.5%
Gross Rent Distribution
< $500
1.0%
$500–1k
2.8%
$1–1.5k
6.2%
$1.5–2k
24.9%
$2–2.5k
35.7%
$2.5–3.5k
25.1%
$3.5k+
4.3%
Vehicle Availability
No vehicle
4.4%
1 vehicle
24.9%
2 vehicles
44.4%
3+
26.2%
Housing Type
Single-fam. det.
74.3%
Single-fam. att.
6.0%
2–4 units
2.9%
5–19 units
1.0%
20+ units
11.8%
Mobile home
0.3%
Housing Age
Pre-1940
11.6%
1940–1969
2.0%
1970–1999
17.8%
2000–2009
9.8%
2010+
5.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
94.7%
Bachelor's or Higher
41.7%
Graduate Degree
16.4%
Some College / Associate
16.8%
Less Than High School
2.6%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
73.8%
Unemployment Rate
3.0%
Work from Home
19.9%
Self-Employed
3.4%
Government Workers
11.8%
Private For-Profit
84.5%
Industry
Edu/Health
21.4%
Prof. Services
19.1%
Manufacturing
15.2%
Retail
11.0%
Construction
6.9%
Finance
6.6%
Arts/Entmt.
4.1%
Transportation
4.0%
Public Admin
4.0%
Information
2.8%
Wholesale
1.6%
Occupation
Management
52.0%
Sales
20.3%
Food Prep
10.1%
Production
9.0%
Construction
8.6%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
27.1 min
Drove Alone
68.9%
Carpool
7.9%
Public Transit
1.7%
Work from Home
19.9%
Walked
0.8%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
11,511
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
56.6%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
19.3%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
4.3%
5–9
4.3%
10–14
4.7%
15–19
5.7%
20–24
5.6%
25–34
13.8%
35–44
12.2%
45–54
13.8%
55–64
8.5%
65–74
8.2%
75–84
12.2%
85+
5.2%
Under 18: 17.4%
Working age (18–64): 82.6%
65 and over: 19.0%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
15.0%
Naturalized Citizen
64.2%
Speaks English Less Than Very Well
5.5%
Foreign-Born Origin
Asia
50.2%
Europe
23.6%
Latin America
17.4%
Africa
7.0%
Veterans & Disability
Veteran
5.7%
With a Disability
10.9%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
98.4%
Uninsured
1.6%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
95.2%
Has a Computer
96.0%
Same House 1 Year Ago
91.4%
Moved from Abroad
0.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023