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Zip Code 21230 Population

Population breakdown by gender

Population in zip code 21230 is 33,364 residents | Male to Female ratio is 1:0.96 | Zip Code 21230 land area is 6.3033 sq. miles | Population density is 5,293.10 residents per square mile

Median age in zip code 21230

  Median Age
Zip Code Median Age 31.8
Median Age - Male 31.4
Median Age - Female 32.5

Median age of zip code 21230 is 7.6% lower compared to nearby zip codes and 14.5% lower compared to the United States median age. Comparing gender-specific madian age yields the following results. Male median age of zip code 21230 is 6.5% lower compared to nearby zip codes and 12.3% lower compared to the United States male median age. Female zip code 21230 median age is 7.7% lower in comparison to nearby zip codes and 15.6% lower compared to female national median age average.

Population breakdown by age

Racial makeup of zip code 21230

White population 21839
Black or African American population 9558
Asian population 845
American Indian and Alaska Native population 48
Native Hawaiian and other Pacific Islander population 0
Other population 176

Region of birth

Zip code 21230 ancestry distribution

Arab 0.1% Czech 0.6%
Danish 0.1% Dutch 1%
English 7% French No Basque 1.5%
French Canadian 0.2% German 16.5%
Greek 0.4% Hungarian 0.5%
Irish 15% Italian 5.6%
Lithuanian 0.4% Norwegian 0.4%
Polish 4.9% Portuguese 0.1%
Russian 1.2% Scotch-Irish 1%
Scottish 1.4% Slovak 0.1%
Subsaharan African 0.5% Swedish 0.3%
Swiss 0.2% Ukrainian 0.3%
USA 4.4% Welsh 0.3%
West Indian No Hispanic Groups 0.3% Other Ancestries 32.3%

Family type by presence of children under 18 by age in zip code 21230

Family Type Distribution
Total families 6816
Married couples 59.9%
Other couples 40.1%

Family and household income distribution in zip code 21230

  Family income (%) Household income (%)
$30,000 or less 24.56% 25.81%
$30,000 and $50,000 17.52% 14.13%
$50,000 and $100,000 24.79% 29.42%
$100,000 and $200,000 23.78% 23.6%
$200,000 or more 9.35% 7.04%

Households by size in zip code 21230

Household language in zip code 21230

English language 90.11%
Spanish language 4.59%
Other European language 2.23%
Asian language 1.56%
Other language 1.51%

Population by housing unit in zip code 21230

Total Occupied housing units 14086
Detached housing units 7.63%
Attached housing units 73.28%
2 units 3.22%
3 - 4 units 2.07%
5 - 9 units 1.51%
10 - 19 units 2.47%
20 - 49 units 1.82%
50 or more units 7.93%
Mobile homes 0.09%
Boats, RVs, Vans 0%

Means of transportation to work in zip code 21230

Use car, track or Van 79.42%
Use public transportation 7.81%
Use Motorcycle 0.04%
Use bicycle 1.4%
Walk to work 9.04%
Work at home 2.3%

School attendance in zip code 21230

Attent Preschool programs 2.74%
Attend Public School 10.14%
Attend college undergraduate program 4%
Attent graduate studies 4.75%
Not enrolled in school 78.38%

Highest school attainment in zip code 21230

Less then 9th grade 6.76%
Grade 9 to 12, no diploma 16.18%
High school diploma 21.11%
Some college, no degree 16.52%
Associate degree 3.54%
Bachelor's degree 30.26%
Graduate or professional degree 5.62%

Real Estate in zip code 21230

Housing occupied 84.29%
Housing vacant 15.71%
Housing occupied by owner 56.38%
Housing occupied by tenant 43.62%
Total Rented Units 6144
Median Contract Gross Rent $911
Median Gross Rent $1,150
Median Home Value $229,700

Contract rent is the monthly cash rent agreed to, regardless of any furnishings, utilities, fees, meals, or services that may be included. Gross rent is the contract rent plus the estimated average monthly cost of utilities and fuels if these are paid by the renter. In zip code 21230 median gross rent is 26.23% larger then the median contract rent.

Average estimated apartment rent in zip code 21230

Studio $920
1 Bedroom $1,040
2 Bedrooms $1,250
3 Bedrooms $1,610
4 Bedrooms $1,980
AVERAGE RENT $1,360

Average rent in zip code 21230 ($1,360.00) is 20.6% higher compared to nearby zip codes and 45.4% higher compared to the average rent in the US. The following illustrates how zip code 21230 rent compares to the nearby zip code rents by unit type: studio apartment rent is 20.4% higher, one bedroom apartment rent is 20.4% higher, two bedroom rent is 20.6% higher, three bedroom rent is 21.1% higher, four bedroom rent is 20.5% higher.

Housing units in zip code 21230

Total housing units 16711
Detached housing units 8.42%
Attached housing units 72.18%
2 units 3.27%
3 - 4 units 2.03%
5 - 9 units 1.58%
10 - 19 units 2.44%
20 - 49 units 1.74%
50 or more units 8.28%
Mobile homes 0.07%
Boats, RVs, Vans 0%

Real Estate taxes paid in zip code 21230

Total Real Estate Taxes $32,596,600
Real estate taxes paid for units with a mortgage $28,019,700
Real estate taxes paid for units with no mortgage $4,576,900

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Nearby Zip Code Income Per Capita Comparison

Zip Codes Near 21230