ZIP Code 21704
ZIP / ZCTAPopulation: 19,623
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 — 21704
- What is the median household income in 21704?
- The median household income in 21704 is $164,457 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 21704?
- The poverty rate in 21704 is 1.7% (U.S. Census Bureau ACS 2023).
- What is the median home value in 21704?
- $585,900 (U.S. Census Bureau ACS 2023).
- What is the average rent in 21704?
- The median gross rent in 21704 is $2,395 per month (U.S. Census Bureau ACS 2023).
- What percentage of 21704 residents have a college degree?
- 58.1% of adults in 21704 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
19,623
Median Income
$164,457
Median Home Value
$585,900
Poverty Rate
1.7%
Unemployment (ACS 2023)
3.4%
Median Age
38.0 yrs
Since 2019
Median Income:
+$15,502 (+10.4%)
Home Value:
+$92,400 (+18.7%)
Poverty Rate:
-0.5 pp (-22.7%)
Bachelor's+:
+0.6 pp (+1%)
Unemployment:
+0.3 pp (+9.7%)
Demographics
Total Population
19,623
Median Age
38.0
Female
46.3%
Race & Ethnicity
Hispanic or Latino 13.5%
White (non-Hisp.) 52.1%
Black 12.6%
Asian 16.8%
Two or More 13.6%
Other 2.6%
Asian Subgroups (% of total pop.)
Indian
8.6%
Chinese
3.0%
Korean
1.0%
Vietnamese
0.6%
Filipino
0.4%
Hispanic Subgroups (% of total pop.)
Mexican
1.0%
Puerto Rican
0.9%
Cuban
0.3%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$164,457
±$9,739
Per Capita Income
$188,100
Median Family Income
$170,093
Poverty Rate
1.7%
Child Poverty Rate
2.5%
Working-Age Poverty Rate
—
SNAP Recipients
3.4%
Social Security Income
—
Retirement Income
20.4%
Household Income Distribution
< $10k
2.2%
$10–15k
0.4%
$15–25k
0.7%
$25–35k
1.6%
$35–50k
1.8%
$50–75k
8.5%
$75–100k
9.5%
$100–150k
18.4%
$150–200k
19.5%
$200k+
37.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
6,230
Owner-Occupied
81.3%
Renter-Occupied
18.7%
Vacancy Rate
1.5%
Median Home Value
$585,900
Median Gross Rent
$2,395
Owner Cost Burden (30%+)
18.1%
Renter Cost Burden (30%+)
32.0%
Home Value Distribution
< $50k
0.7%
$50–100k
0.2%
$200–300k
2.9%
$300–500k
30.3%
$500k–$1M
63.0%
$1M+
2.6%
Gross Rent Distribution
< $500
1.1%
$500–1k
4.2%
$1–1.5k
3.8%
$1.5–2k
21.0%
$2–2.5k
25.2%
$2.5–3.5k
33.8%
$3.5k+
10.9%
Vehicle Availability
No vehicle
4.9%
1 vehicle
22.1%
2 vehicles
45.1%
3+
27.8%
Housing Type
Single-fam. det.
54.6%
Single-fam. att.
35.1%
2–4 units
1.6%
5–19 units
0.2%
20+ units
4.4%
Mobile home
1.0%
Housing Age
Pre-1940
2.5%
1940–1969
2.0%
1970–1999
4.3%
2000–2009
38.1%
2010+
28.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
96.2%
Bachelor's or Higher
58.1%
Graduate Degree
29.0%
Some College / Associate
12.8%
Less Than High School
2.1%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
72.0%
Unemployment Rate
3.4%
Work from Home
27.3%
Self-Employed
5.2%
Government Workers
22.8%
Private For-Profit
71.8%
Industry
Prof. Services
23.8%
Edu/Health
21.6%
Public Admin
10.3%
Retail
8.7%
Manufacturing
6.7%
Finance
6.3%
Arts/Entmt.
5.8%
Construction
5.7%
Wholesale
2.2%
Transportation
2.0%
Information
1.8%
Agriculture
1.0%
Occupation
Management
61.0%
Sales
16.4%
Food Prep
12.2%
Construction
5.4%
Production
4.9%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
36.1 min
Drove Alone
65.1%
Carpool
4.6%
Public Transit
0.3%
Work from Home
27.3%
Walked
1.4%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
6,136
Avg. Household Size
3.00
Avg. Family Size
—
Married-Couple Households
70.6%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
45.9%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
6.5%
5–9
9.9%
10–14
9.7%
15–19
7.0%
20–24
3.9%
25–34
7.1%
35–44
19.5%
45–54
15.7%
55–64
5.5%
65–74
4.9%
75–84
6.4%
85+
2.6%
Under 18: 31.8%
Working age (18–64): 68.2%
65 and over: 10.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
21.5%
Naturalized Citizen
68.4%
Speaks English Less Than Very Well
7.6%
Foreign-Born Origin
Asia
54.8%
Latin America
20.0%
Europe
11.9%
Africa
11.6%
Veterans & Disability
Veteran
6.6%
With a Disability
6.5%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
96.7%
Uninsured
3.3%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
94.8%
Has a Computer
96.6%
Same House 1 Year Ago
89.0%
Moved from Abroad
0.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023