ZIP Code 21723

ZIP / ZCTA

Population: 587

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 — 21723

What is the median household income in 21723?: The median household income in 21723 is $250,001 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 21723?: The poverty rate in 21723 is 0.0% (U.S. Census Bureau ACS 2023).
What is the median home value in 21723?: $914,800 (U.S. Census Bureau ACS 2023).
What percentage of 21723 residents have a college degree?: 86.0% of adults in 21723 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).

Population

587

Median Income

$250,001

Median Home Value

$914,800

Poverty Rate

0.0%

Unemployment (ACS 2023)

0.0%

Median Age

41.0 yrs

Since 2019 Median Income: +$18,829 (+8.1%) Home Value: +$251,600 (+37.9%) Bachelor's+: +18.9 pp (+28.2%) Unemployment: -2.8 pp (-100%)

Demographics

Total Population 587

Median Age 41.0

Female 49.2%

Race & Ethnicity

White (non-Hisp.) 39.4% Black 2.6% Asian 52.0% Two or More 4.9% Other 1.2%

Asian Subgroups (% of total pop.)

Indian

32.4%

Korean

11.1%

Vietnamese

7.7%

Filipino

0.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $250,001

Per Capita Income $223,671

Median Family Income $250,001

Poverty Rate 0.0%

Child Poverty Rate 0.0%

Working-Age Poverty Rate —

SNAP Recipients 0.0%

Social Security Income —

Retirement Income 10.9%

Household Income Distribution

$25–35k

5.4%

$35–50k

15.8%

$75–100k

6.3%

$100–150k

9.5%

$150–200k

5.0%

$200k+

57.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 221

Owner-Occupied 94.6%

Renter-Occupied 5.4%

Vacancy Rate 0.0%

Median Home Value $914,800

Median Gross Rent —

Owner Cost Burden (30%+) 20.2%

Renter Cost Burden (30%+) 0.0%

Home Value Distribution

$300–500k

10.0%

$500k–$1M

50.7%

$1M+

39.2%

Vehicle Availability

1 vehicle

5.4%

2 vehicles

62.0%

32.6%

Housing Type

Single-fam. det.

94.6%

2–4 units

5.4%

Housing Age

1970–1999

6.3%

2000–2009

46.6%

2010+

3.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 100.0%

Bachelor's or Higher 86.0%

Graduate Degree 34.8%

Some College / Associate 9.3%

Less Than High School 0.0%

Enrolled in School —

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 78.1%

Unemployment Rate 0.0%

Work from Home 24.5%

Self-Employed 8.0%

Government Workers 23.6%

Private For-Profit 68.4%

Industry

Prof. Services

51.6%

Public Admin

15.7%

Edu/Health

14.3%

Finance

9.6%

Retail

3.6%

Wholesale

3.3%

Construction

1.9%

Occupation

Management

67.6%

Food Prep

17.9%

Sales

12.9%

Production

1.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 33.3 min

Drove Alone 72.3%

Carpool 0.0%

Public Transit 0.0%

Work from Home 24.5%

Walked 3.3%

Bicycle —

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 221

Avg. Household Size 2.00

Avg. Family Size —

Married-Couple Households 89.1%

Single-Mother Households —

Single-Father Households —

Living Alone —

Households with Children 40.7%

Multigenerational —

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5

3.1%

5–9

1.2%

10–14

13.3%

15–19

4.1%

20–24

2.9%

25–34

6.8%

35–44

24.7%

45–54

20.6%

55–64

9.0%

65–74

6.1%

75–84

4.1%

85+

4.1%

Under 18: 21.6% Working age (18–64): 78.4% 65 and over: 8.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 39.9%

Naturalized Citizen 97.9%

Speaks English Less Than Very Well 3.0%

Foreign-Born Origin

Asia

77.8%

Europe

22.2%

Veterans & Disability

Veteran 5.2%

With a Disability 3.9%

Cognitive Difficulty —

Ambulatory Difficulty —

Health Insurance

Insured 100.0%

Uninsured 0.0%

Employer Insurance —

Medicaid —

Medicare —

Technology & Mobility

Broadband Internet 100.0%

Has a Computer 100.0%

Same House 1 Year Ago 80.6%

Moved from Abroad 4.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

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