ZIP Code 21784
ZIP / ZCTAPopulation: 37,813
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 — 21784
- What is the median household income in 21784?
- The median household income in 21784 is $141,228 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 21784?
- The poverty rate in 21784 is 2.6% (U.S. Census Bureau ACS 2023).
- What is the median home value in 21784?
- $478,200 (U.S. Census Bureau ACS 2023).
- What is the average rent in 21784?
- The median gross rent in 21784 is $1,673 per month (U.S. Census Bureau ACS 2023).
- What percentage of 21784 residents have a college degree?
- 53.2% of adults in 21784 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
37,813
Median Income
$141,228
Median Home Value
$478,200
Poverty Rate
2.6%
Unemployment (ACS 2023)
3.5%
Median Age
39.0 yrs
Since 2019
Median Income:
+$23,918 (+20.4%)
Home Value:
+$91,300 (+23.6%)
Poverty Rate:
+0.6 pp (+30%)
Bachelor's+:
+6.4 pp (+13.7%)
Unemployment:
+1.0 pp (+40%)
Demographics
Total Population
37,813
Median Age
39.0
Female
50.2%
Race & Ethnicity
Hispanic or Latino 5.8%
White (non-Hisp.) 79.8%
Black 6.0%
Asian 4.1%
Two or More 5.8%
Other 1.9%
Asian Subgroups (% of total pop.)
Indian
0.9%
Chinese
0.7%
Korean
0.7%
Filipino
0.5%
Vietnamese
0.2%
Hispanic Subgroups (% of total pop.)
Mexican
1.8%
Puerto Rican
1.5%
Cuban
0.3%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$141,228
±$7,103
Per Capita Income
$168,117
Median Family Income
$164,063
Poverty Rate
2.6%
Child Poverty Rate
3.0%
Working-Age Poverty Rate
—
SNAP Recipients
2.5%
Social Security Income
—
Retirement Income
27.5%
Household Income Distribution
< $10k
1.9%
$10–15k
1.5%
$15–25k
2.8%
$25–35k
3.5%
$35–50k
4.6%
$50–75k
8.4%
$75–100k
10.0%
$100–150k
20.6%
$150–200k
16.6%
$200k+
30.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
13,664
Owner-Occupied
87.0%
Renter-Occupied
13.0%
Vacancy Rate
3.3%
Median Home Value
$478,200
Median Gross Rent
$1,673
Owner Cost Burden (30%+)
15.9%
Renter Cost Burden (30%+)
28.9%
Home Value Distribution
< $50k
1.3%
$50–100k
0.5%
$100–200k
0.2%
$200–300k
8.2%
$300–500k
43.9%
$500k–$1M
42.5%
$1M+
2.3%
Gross Rent Distribution
< $500
3.7%
$500–1k
11.7%
$1–1.5k
21.8%
$1.5–2k
37.0%
$2–2.5k
16.3%
$2.5–3.5k
4.9%
$3.5k+
4.7%
Vehicle Availability
No vehicle
2.0%
1 vehicle
20.4%
2 vehicles
45.0%
3+
32.6%
Housing Type
Single-fam. det.
78.7%
Single-fam. att.
11.7%
2–4 units
0.8%
5–19 units
1.5%
20+ units
2.6%
Mobile home
0.2%
Housing Age
Pre-1940
3.5%
1940–1969
1.7%
1970–1999
22.8%
2000–2009
12.1%
2010+
8.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
95.7%
Bachelor's or Higher
53.2%
Graduate Degree
22.3%
Some College / Associate
16.3%
Less Than High School
1.3%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
69.1%
Unemployment Rate
3.5%
Work from Home
20.2%
Self-Employed
4.8%
Government Workers
21.6%
Private For-Profit
73.3%
Industry
Edu/Health
27.3%
Prof. Services
16.3%
Public Admin
8.7%
Arts/Entmt.
8.4%
Finance
7.7%
Construction
7.6%
Retail
7.0%
Manufacturing
6.4%
Transportation
2.2%
Wholesale
2.2%
Information
1.5%
Agriculture
0.4%
Occupation
Management
60.0%
Sales
14.7%
Food Prep
14.0%
Construction
6.1%
Production
5.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
35.1 min
Drove Alone
73.9%
Carpool
4.0%
Public Transit
0.5%
Work from Home
20.2%
Walked
0.7%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
13,216
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
68.5%
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
6.0%
5–9
6.8%
10–14
6.9%
15–19
6.6%
20–24
5.3%
25–34
11.4%
35–44
15.0%
45–54
14.6%
55–64
6.3%
65–74
5.7%
75–84
8.5%
85+
4.8%
Under 18: 24.2%
Working age (18–64): 75.8%
65 and over: 15.3%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
6.2%
Naturalized Citizen
64.4%
Speaks English Less Than Very Well
2.2%
Foreign-Born Origin
Asia
50.9%
Europe
16.8%
Latin America
16.6%
Africa
9.7%
Veterans & Disability
Veteran
7.6%
With a Disability
9.5%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
97.9%
Uninsured
2.1%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
95.7%
Has a Computer
96.9%
Same House 1 Year Ago
93.0%
Moved from Abroad
0.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023