ZIP Code 21405

ZIP / ZCTA

Population: 426

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 — 21405

What is the median household income in 21405?: The median household income in 21405 is $182,614 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 21405?: The poverty rate in 21405 is 14.0% (U.S. Census Bureau ACS 2023).
What is the median home value in 21405?: $944,000 (U.S. Census Bureau ACS 2023).
What percentage of 21405 residents have a college degree?: 75.0% of adults in 21405 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).

Population

426

Median Income

$182,614

Median Home Value

$944,000

Poverty Rate

14.0%

Unemployment (ACS 2023)

0.0%

Median Age

61.0 yrs

Since 2019 Median Income: +$72,257 (+65.5%) Home Value: $-99,100 (-9.5%) Bachelor's+: +0.7 pp (+0.9%)

Demographics

Total Population 426

Median Age 61.0

Female 50.9%

White (alone) 100.0%

Hispanic or Latino 0.0%

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

Income & Poverty

Median Household Income $182,614 ±$82,331

Per Capita Income $161,454

Median Family Income $208,750

Poverty Rate 14.0%

Child Poverty Rate 0.0%

Working-Age Poverty Rate —

SNAP Recipients 0.0%

Social Security Income —

Retirement Income 45.2%

Household Income Distribution

$15–25k

11.7%

$50–75k

11.2%

$75–100k

9.1%

$100–150k

12.7%

$150–200k

13.7%

$200k+

41.6%

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

Housing

Total Housing Units 309

Owner-Occupied 94.4%

Renter-Occupied 5.6%

Vacancy Rate 36.2%

Median Home Value $944,000

Median Gross Rent —

Owner Cost Burden (30%+) 25.5%

Renter Cost Burden (30%+) —

Home Value Distribution

$300–500k

19.4%

$500k–$1M

37.6%

$1M+

43.0%

Vehicle Availability

1 vehicle

28.4%

2 vehicles

68.5%

3.0%

Housing Age

Pre-1940

37.9%

1940–1969

28.8%

2000–2009

2.3%

2010+

13.9%

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

Education

High School or Higher 97.2%

Bachelor's or Higher 75.0%

Graduate Degree 33.5%

Some College / Associate 18.6%

Less Than High School 2.8%

Enrolled in School —

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

Employment

Labor Force Participation 40.6%

Unemployment Rate 0.0%

Work from Home 38.5%

Self-Employed 7.5%

Government Workers 23.0%

Private For-Profit 69.6%

Industry

Prof. Services

38.5%

Manufacturing

15.5%

Arts/Entmt.

14.3%

Finance

13.0%

Public Admin

7.5%

Edu/Health

5.6%

Transportation

5.6%

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

Commute

Median Travel Time —

Drove Alone 55.9%

Carpool 5.6%

Public Transit 0.0%

Work from Home 38.5%

Walked 0.0%

Bicycle —

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

Households & Families

Total Households 197

Avg. Household Size 2.00

Avg. Family Size —

Married-Couple Households 78.2%

Single-Mother Households —

Single-Father Households —

Living Alone —

Households with Children 8.6%

Multigenerational —

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

Age Distribution

Under 5

1.2%

5–9

5.6%

20–24

2.1%

25–34

2.8%

35–44

5.4%

45–54

5.2%

55–64

23.5%

65–74

9.2%

75–84

14.8%

85+

22.3%

Under 18: 6.8% Working age (18–64): 93.2% 65 and over: 45.1%

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

Social Characteristics

Immigration

Foreign Born 0.0%

Naturalized Citizen —

Speaks English Less Than Very Well 0.0%

Veterans & Disability

Veteran 6.3%

With a Disability 5.9%

Cognitive Difficulty —

Ambulatory Difficulty —

Health Insurance

Insured 97.9%

Uninsured 2.1%

Employer Insurance —

Medicaid —

Medicare —

Technology & Mobility

Broadband Internet 94.4%

Has a Computer 100.0%

Same House 1 Year Ago 91.1%

Moved from Abroad 0.0%

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

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