ZIP Code 21042
ZIP / ZCTAPopulation: 43,021
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 — 21042
- What is the median household income in 21042?
- The median household income in 21042 is $190,504 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 21042?
- The poverty rate in 21042 is 1.8% (U.S. Census Bureau ACS 2023).
- What is the median home value in 21042?
- $674,700 (U.S. Census Bureau ACS 2023).
- What is the average rent in 21042?
- The median gross rent in 21042 is $2,253 per month (U.S. Census Bureau ACS 2023).
- What percentage of 21042 residents have a college degree?
- 74.7% of adults in 21042 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
43,021
Median Income
$190,504
Median Home Value
$674,700
Poverty Rate
1.8%
Unemployment (ACS 2023)
2.1%
Median Age
45.0 yrs
Since 2019
Median Income:
+$33,692 (+21.5%)
Home Value:
+$74,200 (+12.4%)
Poverty Rate:
0.0 pp (+0%)
Bachelor's+:
+2.9 pp (+4%)
Unemployment:
-1.1 pp (-34.4%)
Demographics
Total Population
43,021
Median Age
45.0
Female
49.6%
Race & Ethnicity
Hispanic or Latino 4.3%
White (non-Hisp.) 57.0%
Black 4.2%
Asian 29.3%
Two or More 6.8%
Other 1.4%
Asian Subgroups (% of total pop.)
Indian
10.4%
Chinese
8.1%
Korean
6.5%
Filipino
0.8%
Vietnamese
0.8%
Japanese
0.4%
Hispanic Subgroups (% of total pop.)
Mexican
1.2%
Puerto Rican
0.7%
Cuban
0.7%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$190,504
±$6,860
Per Capita Income
$216,728
Median Family Income
$212,618
Poverty Rate
1.8%
Child Poverty Rate
1.7%
Working-Age Poverty Rate
—
SNAP Recipients
1.9%
Social Security Income
—
Retirement Income
30.8%
Household Income Distribution
< $10k
1.3%
$10–15k
1.0%
$15–25k
1.0%
$25–35k
2.1%
$35–50k
4.1%
$50–75k
5.5%
$75–100k
7.9%
$100–150k
13.3%
$150–200k
17.2%
$200k+
46.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
15,269
Owner-Occupied
85.4%
Renter-Occupied
14.6%
Vacancy Rate
2.0%
Median Home Value
$674,700
Median Gross Rent
$2,253
Owner Cost Burden (30%+)
12.9%
Renter Cost Burden (30%+)
43.5%
Home Value Distribution
< $50k
0.8%
$50–100k
1.2%
$100–200k
0.2%
$200–300k
3.7%
$300–500k
8.7%
$500k–$1M
75.4%
$1M+
9.8%
Gross Rent Distribution
$500–1k
0.7%
$1–1.5k
8.7%
$1.5–2k
20.8%
$2–2.5k
39.1%
$2.5–3.5k
9.7%
$3.5k+
21.0%
Vehicle Availability
No vehicle
2.8%
1 vehicle
19.5%
2 vehicles
47.1%
3+
30.5%
Housing Type
Single-fam. det.
76.0%
Single-fam. att.
10.0%
2–4 units
0.2%
5–19 units
5.0%
20+ units
5.3%
Housing Age
Pre-1940
0.8%
1940–1969
1.0%
1970–1999
15.0%
2000–2009
10.6%
2010+
12.0%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
97.5%
Bachelor's or Higher
74.7%
Graduate Degree
41.3%
Some College / Associate
8.5%
Less Than High School
1.1%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
65.7%
Unemployment Rate
2.1%
Work from Home
26.2%
Self-Employed
5.6%
Government Workers
25.0%
Private For-Profit
69.0%
Industry
Edu/Health
27.4%
Prof. Services
23.6%
Public Admin
11.5%
Finance
6.7%
Manufacturing
6.5%
Arts/Entmt.
6.0%
Construction
4.9%
Retail
4.1%
Transportation
2.7%
Information
1.8%
Wholesale
0.5%
Agriculture
0.2%
Occupation
Management
75.9%
Sales
10.0%
Food Prep
8.9%
Construction
2.8%
Production
2.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
29.3 min
Drove Alone
67.5%
Carpool
3.9%
Public Transit
0.5%
Work from Home
26.2%
Walked
0.9%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
14,958
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
74.3%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
35.2%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
4.6%
5–9
5.6%
10–14
9.6%
15–19
7.6%
20–24
4.0%
25–34
6.4%
35–44
12.2%
45–54
15.9%
55–64
8.4%
65–74
6.8%
75–84
11.1%
85+
5.6%
Under 18: 25.8%
Working age (18–64): 74.2%
65 and over: 19.0%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
24.2%
Naturalized Citizen
71.0%
Speaks English Less Than Very Well
7.9%
Foreign-Born Origin
Asia
82.4%
Europe
8.5%
Africa
3.9%
Latin America
3.6%
Veterans & Disability
Veteran
6.9%
With a Disability
7.6%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
97.4%
Uninsured
2.6%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
95.7%
Has a Computer
99.3%
Same House 1 Year Ago
91.2%
Moved from Abroad
0.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023