ZIP Code 21738
ZIP / ZCTAPopulation: 3,668
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 — 21738
- What is the median household income in 21738?
- The median household income in 21738 is $230,429 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 21738?
- The poverty rate in 21738 is 2.5% (U.S. Census Bureau ACS 2023).
- What is the median home value in 21738?
- $889,100 (U.S. Census Bureau ACS 2023).
- What percentage of 21738 residents have a college degree?
- 75.9% of adults in 21738 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
3,668
Median Income
$230,429
Median Home Value
$889,100
Poverty Rate
2.5%
Unemployment (ACS 2023)
2.4%
Median Age
47.0 yrs
Since 2019
Median Income:
+$49,065 (+27.1%)
Home Value:
+$181,000 (+25.6%)
Poverty Rate:
+1.3 pp (+108.3%)
Bachelor's+:
+2.8 pp (+3.8%)
Unemployment:
-5.8 pp (-70.7%)
Demographics
Total Population
3,668
Median Age
47.0
Female
51.8%
Race & Ethnicity
Hispanic or Latino 0.5%
White (non-Hisp.) 87.3%
Black 2.2%
Asian 5.9%
Two or More 4.3%
Other 0.2%
Asian Subgroups (% of total pop.)
Chinese
2.3%
Indian
1.6%
Korean
1.6%
Filipino
0.4%
Hispanic Subgroups (% of total pop.)
Mexican
0.4%
Puerto Rican
0.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$230,429
±$31,545
Per Capita Income
$270,111
Median Family Income
$250,001
Poverty Rate
2.5%
Child Poverty Rate
2.0%
Working-Age Poverty Rate
—
SNAP Recipients
0.0%
Social Security Income
—
Retirement Income
43.5%
Household Income Distribution
$15–25k
0.8%
$25–35k
1.5%
$50–75k
1.4%
$75–100k
2.7%
$100–150k
25.5%
$150–200k
6.6%
$200k+
61.6%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
1,166
Owner-Occupied
98.6%
Renter-Occupied
1.4%
Vacancy Rate
0.0%
Median Home Value
$889,100
Median Gross Rent
—
Owner Cost Burden (30%+)
14.5%
Renter Cost Burden (30%+)
—
Home Value Distribution
$100–200k
2.2%
$300–500k
2.3%
$500k–$1M
57.9%
$1M+
37.7%
Vehicle Availability
1 vehicle
12.5%
2 vehicles
44.9%
3+
42.6%
Housing Type
Single-fam. det.
94.6%
Single-fam. att.
2.4%
20+ units
3.0%
Housing Age
Pre-1940
5.3%
1970–1999
21.0%
2000–2009
22.6%
2010+
4.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
98.0%
Bachelor's or Higher
75.9%
Graduate Degree
42.0%
Some College / Associate
9.1%
Less Than High School
1.3%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
61.0%
Unemployment Rate
2.4%
Work from Home
23.9%
Self-Employed
7.7%
Government Workers
13.7%
Private For-Profit
77.6%
Industry
Prof. Services
26.4%
Edu/Health
24.2%
Arts/Entmt.
8.2%
Finance
7.5%
Retail
6.4%
Construction
5.8%
Public Admin
5.4%
Manufacturing
3.4%
Transportation
1.7%
Agriculture
1.5%
Information
0.9%
Wholesale
0.7%
Occupation
Management
72.3%
Food Prep
14.4%
Sales
10.6%
Construction
2.0%
Production
0.7%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
32.9 min
Drove Alone
63.6%
Carpool
11.4%
Public Transit
0.0%
Work from Home
23.9%
Walked
0.0%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
1,166
Avg. Household Size
3.00
Avg. Family Size
—
Married-Couple Households
85.8%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
32.3%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
4.1%
5–9
6.7%
10–14
7.7%
15–19
9.1%
20–24
7.0%
25–34
3.4%
35–44
8.7%
45–54
19.4%
55–64
7.0%
65–74
4.9%
75–84
12.1%
85+
8.0%
Under 18: 25.2%
Working age (18–64): 74.8%
65 and over: 22.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
8.6%
Naturalized Citizen
86.0%
Speaks English Less Than Very Well
4.1%
Foreign-Born Origin
Asia
42.9%
Europe
28.6%
Africa
28.6%
Veterans & Disability
Veteran
6.7%
With a Disability
6.9%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
98.1%
Uninsured
1.9%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
95.6%
Has a Computer
100.0%
Same House 1 Year Ago
87.4%
Moved from Abroad
0.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023