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ZIP Code 21791

ZIP / ZCTA

Population: 4,734

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 — 21791

What is the median household income in 21791?
The median household income in 21791 is $90,460 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 21791?
The poverty rate in 21791 is 3.9% (U.S. Census Bureau ACS 2023).
What is the median home value in 21791?
$370,300 (U.S. Census Bureau ACS 2023).
What is the average rent in 21791?
The median gross rent in 21791 is $1,320 per month (U.S. Census Bureau ACS 2023).
What percentage of 21791 residents have a college degree?
26.3% of adults in 21791 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
4,734
Median Income
$90,460
Median Home Value
$370,300
Poverty Rate
3.9%
Unemployment (ACS 2023)
2.4%
Median Age
40.0 yrs
Since 2019 Median Income: +$3,735 (+4.3%) Home Value: +$45,400 (+14%) Poverty Rate: +0.2 pp (+5.4%) Bachelor's+: +4.6 pp (+21.2%) Unemployment: -1.7 pp (-41.5%)

Demographics

Total Population 4,734
Median Age 40.0
Female 48.0%
Race & Ethnicity
Hispanic or Latino 1.1% White (non-Hisp.) 93.6% Black 1.8% Asian 2.4% Two or More 1.4% Other 0.4%
Asian Subgroups (% of total pop.)
Korean
1.6%
Chinese
0.5%
Filipino
0.3%
Hispanic Subgroups (% of total pop.)
Mexican
0.4%
Puerto Rican
0.2%

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

Income & Poverty

Median Household Income $90,460 ±$13,153
Per Capita Income $110,347
Median Family Income $101,458
Poverty Rate 3.9%
Child Poverty Rate 5.7%
Working-Age Poverty Rate
SNAP Recipients 6.6%
Social Security Income
Retirement Income 26.0%
Household Income Distribution
< $10k
1.7%
$10–15k
2.9%
$15–25k
4.5%
$25–35k
3.6%
$35–50k
6.8%
$50–75k
19.8%
$75–100k
15.2%
$100–150k
18.8%
$150–200k
17.1%
$200k+
9.6%

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

Housing

Total Housing Units 1,975
Owner-Occupied 83.6%
Renter-Occupied 16.4%
Vacancy Rate 5.6%
Median Home Value $370,300
Median Gross Rent $1,320
Owner Cost Burden (30%+) 25.9%
Renter Cost Burden (30%+) 51.9%
Home Value Distribution
< $50k
1.4%
$100–200k
4.6%
$200–300k
20.3%
$300–500k
42.0%
$500k–$1M
21.2%
$1M+
5.8%
Gross Rent Distribution
< $500
6.9%
$500–1k
20.4%
$1–1.5k
37.4%
$1.5–2k
31.1%
$2–2.5k
4.2%
Vehicle Availability
No vehicle
1.7%
1 vehicle
23.1%
2 vehicles
26.6%
3+
48.6%
Housing Type
Single-fam. det.
91.8%
Single-fam. att.
1.9%
2–4 units
2.8%
5–19 units
2.0%
Mobile home
0.4%
Housing Age
Pre-1940
34.6%
1940–1969
6.3%
1970–1999
11.1%
2000–2009
8.7%
2010+
1.9%

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

Education

High School or Higher 94.4%
Bachelor's or Higher 26.3%
Graduate Degree 11.0%
Some College / Associate 20.0%
Less Than High School 2.5%
Enrolled in School

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

Employment

Labor Force Participation 64.8%
Unemployment Rate 2.4%
Work from Home 8.1%
Self-Employed 9.1%
Government Workers 22.6%
Private For-Profit 66.8%
Industry
Prof. Services
17.9%
Edu/Health
13.3%
Construction
11.1%
Public Admin
10.6%
Retail
8.2%
Arts/Entmt.
8.1%
Agriculture
7.5%
Manufacturing
6.4%
Transportation
5.8%
Finance
3.8%
Wholesale
1.0%
Information
0.5%
Occupation
Management
34.8%
Food Prep
21.4%
Construction
16.7%
Sales
16.6%
Production
10.5%

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

Commute

Median Travel Time 36.7 min
Drove Alone 84.3%
Carpool 5.3%
Public Transit 0.4%
Work from Home 8.1%
Walked 1.8%
Bicycle

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

Households & Families

Total Households 1,865
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 57.1%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 20.2%
Multigenerational

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

Age Distribution

Under 5
5.5%
5–9
3.3%
10–14
6.0%
15–19
8.7%
20–24
4.3%
25–34
14.6%
35–44
12.8%
45–54
9.5%
55–64
8.6%
65–74
7.3%
75–84
10.4%
85+
5.3%
Under 18: 21.8% Working age (18–64): 78.2% 65 and over: 19.3%

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

Social Characteristics

Immigration

Foreign Born 2.5%
Naturalized Citizen 79.5%
Speaks English Less Than Very Well 0.8%
Foreign-Born Origin
Asia
75.2%
Latin America
12.8%
Europe
12.0%

Veterans & Disability

Veteran 13.4%
With a Disability 13.8%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 92.9%
Uninsured 7.1%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 86.4%
Has a Computer 93.1%
Same House 1 Year Ago 93.9%
Moved from Abroad 0.0%

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