ZIP Code 21104
ZIP / ZCTAPopulation: 5,786
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 — 21104
- What is the median household income in 21104?
- The median household income in 21104 is $199,803 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 21104?
- The poverty rate in 21104 is 0.9% (U.S. Census Bureau ACS 2023).
- What is the median home value in 21104?
- $659,700 (U.S. Census Bureau ACS 2023).
- What percentage of 21104 residents have a college degree?
- 63.3% of adults in 21104 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
5,786
Median Income
$199,803
Median Home Value
$659,700
Poverty Rate
0.9%
Unemployment (ACS 2023)
2.5%
Median Age
46.0 yrs
Since 2019
Median Income:
+$49,896 (+33.3%)
Home Value:
+$114,900 (+21.1%)
Poverty Rate:
-0.3 pp (-25%)
Bachelor's+:
+7.4 pp (+13.2%)
Unemployment:
+0.3 pp (+13.6%)
Demographics
Total Population
5,786
Median Age
46.0
Female
51.7%
Race & Ethnicity
Hispanic or Latino 1.8%
White (non-Hisp.) 74.9%
Black 4.2%
Asian 10.3%
Two or More 6.6%
Other 2.9%
Asian Subgroups (% of total pop.)
Korean
4.5%
Chinese
3.6%
Indian
1.7%
Filipino
0.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$199,803
±$19,656
Per Capita Income
$211,822
Median Family Income
$209,592
Poverty Rate
0.9%
Child Poverty Rate
0.0%
Working-Age Poverty Rate
—
SNAP Recipients
0.6%
Social Security Income
—
Retirement Income
32.9%
Household Income Distribution
< $10k
0.5%
$15–25k
1.8%
$25–35k
1.9%
$35–50k
2.4%
$50–75k
7.6%
$75–100k
7.1%
$100–150k
16.2%
$150–200k
12.6%
$200k+
49.9%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
1,985
Owner-Occupied
96.9%
Renter-Occupied
3.1%
Vacancy Rate
2.7%
Median Home Value
$659,700
Median Gross Rent
—
Owner Cost Burden (30%+)
14.8%
Renter Cost Burden (30%+)
100.0%
Home Value Distribution
< $50k
0.4%
$200–300k
4.2%
$300–500k
16.8%
$500k–$1M
71.8%
$1M+
6.8%
Gross Rent Distribution
$500–1k
29.8%
$1–1.5k
38.3%
$2.5–3.5k
31.9%
Vehicle Availability
1 vehicle
16.0%
2 vehicles
38.2%
3+
45.8%
Housing Type
Single-fam. det.
87.8%
Single-fam. att.
9.5%
Housing Age
Pre-1940
4.2%
1940–1969
0.9%
1970–1999
18.1%
2000–2009
14.4%
2010+
24.8%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
98.3%
Bachelor's or Higher
63.3%
Graduate Degree
25.0%
Some College / Associate
14.3%
Less Than High School
1.3%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
69.6%
Unemployment Rate
2.5%
Work from Home
19.6%
Self-Employed
5.0%
Government Workers
17.1%
Private For-Profit
77.6%
Industry
Edu/Health
27.4%
Prof. Services
19.2%
Finance
12.5%
Arts/Entmt.
10.1%
Public Admin
7.4%
Manufacturing
5.6%
Retail
3.9%
Construction
3.5%
Transportation
3.1%
Information
1.6%
Wholesale
1.0%
Agriculture
0.8%
Occupation
Management
63.9%
Sales
16.2%
Food Prep
11.7%
Construction
4.8%
Production
3.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
30.4 min
Drove Alone
75.6%
Carpool
3.8%
Public Transit
0.2%
Work from Home
19.6%
Walked
0.3%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
1,931
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
74.5%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
29.8%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
5.2%
5–9
4.7%
10–14
6.8%
15–19
5.7%
20–24
7.6%
25–34
8.2%
35–44
11.1%
45–54
12.3%
55–64
10.0%
65–74
8.9%
75–84
12.7%
85+
5.1%
Under 18: 20.5%
Working age (18–64): 79.5%
65 and over: 19.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
14.6%
Naturalized Citizen
91.1%
Speaks English Less Than Very Well
3.9%
Foreign-Born Origin
Asia
65.5%
Africa
17.0%
Europe
9.1%
Latin America
8.4%
Veterans & Disability
Veteran
4.7%
With a Disability
5.3%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
96.1%
Uninsured
3.9%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
96.8%
Has a Computer
99.3%
Same House 1 Year Ago
91.6%
Moved from Abroad
0.3%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023