ZIP Code 21557

ZIP / ZCTA

Population: 1,323

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 — 21557

What is the median household income in 21557?: The median household income in 21557 is $33,646 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 21557?: The poverty rate in 21557 is 4.9% (U.S. Census Bureau ACS 2023).
What is the median home value in 21557?: $99,900 (U.S. Census Bureau ACS 2023).
What percentage of 21557 residents have a college degree?: 24.2% of adults in 21557 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).

Population

1,323

Median Income

$33,646

Median Home Value

$99,900

Poverty Rate

4.9%

Unemployment (ACS 2023)

0.0%

Median Age

49.0 yrs

Since 2019 Median Income: $-17,354 (-34%) Home Value: $-15,600 (-13.5%) Poverty Rate: +2.8 pp (+133.3%) Bachelor's+: +12.5 pp (+106.8%) Unemployment: -14.0 pp (-100%)

Demographics

Total Population 1,323

Median Age 49.0

Female 56.9%

Race & Ethnicity

White (non-Hisp.) 92.7% Asian 7.3%

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

Income & Poverty

Median Household Income $33,646 ±$6,700

Per Capita Income $81,191

Median Family Income $87,153

Poverty Rate 4.9%

Child Poverty Rate 0.0%

Working-Age Poverty Rate —

SNAP Recipients 26.4%

Social Security Income —

Retirement Income 23.0%

Household Income Distribution

< $10k

23.8%

$15–25k

11.5%

$25–35k

25.3%

$35–50k

4.9%

$50–75k

6.0%

$75–100k

8.6%

$100–150k

9.8%

$150–200k

10.0%

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

Housing

Total Housing Units 782

Owner-Occupied 77.0%

Renter-Occupied 23.0%

Vacancy Rate 14.2%

Median Home Value $99,900

Median Gross Rent —

Owner Cost Burden (30%+) 18.0%

Renter Cost Burden (30%+) —

Home Value Distribution

< $50k

2.1%

$50–100k

48.2%

$100–200k

9.3%

$200–300k

14.5%

$300–500k

4.8%

$500k–$1M

7.4%

Vehicle Availability

No vehicle

1.2%

1 vehicle

53.9%

2 vehicles

23.7%

21.2%

Housing Type

Single-fam. det.

95.3%

Mobile home

4.7%

Housing Age

Pre-1940

22.0%

1940–1969

22.1%

1970–1999

8.8%

2000–2009

9.5%

2010+

1.5%

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

Education

High School or Higher 83.1%

Bachelor's or Higher 24.2%

Graduate Degree 9.5%

Some College / Associate 12.6%

Less Than High School 0.0%

Enrolled in School —

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

Employment

Labor Force Participation 49.6%

Unemployment Rate 0.0%

Work from Home 10.0%

Self-Employed 1.3%

Government Workers 26.6%

Private For-Profit 72.1%

Industry

Edu/Health

47.8%

Manufacturing

21.7%

Construction

7.0%

Retail

4.8%

Information

3.5%

Prof. Services

3.3%

Public Admin

3.0%

Finance

1.8%

Arts/Entmt.

1.7%

Occupation

Management

33.9%

Production

23.2%

Sales

20.2%

Food Prep

18.2%

Construction

4.3%

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

Commute

Median Travel Time 27.4 min

Drove Alone 80.3%

Carpool 9.7%

Public Transit 0.0%

Work from Home 10.0%

Walked 0.0%

Bicycle —

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

Households & Families

Total Households 671

Avg. Household Size 1.00

Avg. Family Size —

Married-Couple Households 38.5%

Single-Mother Households —

Single-Father Households —

Living Alone —

Households with Children 10.9%

Multigenerational —

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

Age Distribution

5–9

3.4%

10–14

5.4%

15–19

8.6%

20–24

4.2%

25–34

9.8%

35–44

8.0%

45–54

20.6%

55–64

13.7%

65–74

7.0%

75–84

6.0%

85+

10.7%

Under 18: 15.3% Working age (18–64): 84.7% 65 and over: 19.1%

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

Social Characteristics

Immigration

Foreign Born 7.3%

Naturalized Citizen 0.0%

Speaks English Less Than Very Well 6.3%

Veterans & Disability

Veteran 13.4%

With a Disability 22.1%

Cognitive Difficulty —

Ambulatory Difficulty —

Health Insurance

Insured 93.2%

Uninsured 6.8%

Employer Insurance —

Medicaid —

Medicare —

Technology & Mobility

Broadband Internet 73.6%

Has a Computer 93.0%

Same House 1 Year Ago 98.0%

Moved from Abroad 0.0%

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

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