21231 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 21231 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateMaryland
CityBaltimore
Time ZoneAmerica/New_York
Geo Location39.2871, -76.59238
Population15746
Size2.256 square miles
Median Family Income$105686.00
Median Home Value$297000.00

Population & Demographics

The following information lists the population statistics and breakdown for the 21231 zip code. The total population is 15746, of which, 7886 are male and 7860 are female. With a total area of 2.256 square miles, the population density is 7026.8 people per square mile. The median age of the population is 32.4 years old. Below you’ll find additional information on the population and demographics of this zip code, including age distribution, race distribution, language spoken, and more.

YearPopulation
201116415
201216367
201316801
201417148
201517047
201616545
201716729
201816160
201915854
202015906
202115746

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 7764.9%
Age 5-95453.5%
Age 10-146924.4%
Age 15-194572.9%
Age 20-249055.7
Age 25-29312219.8%
Age 30-34228414.5%
Age 35-39169710.8%
Age 40-44786 5%
Age 45-497965.1%
Age 50-548075.1%
Age 55-596684.2%
Age 60-646744.3%
Age 65-696234%
Age 70-745153.3%
Age 75-791561%
Age 80-84820.5%
Age 85 and over1611%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 16.7 %
  • Speaks Spanish: 6.6 %
  • Speaks Other Indo-European Language: 4.4 %
  • Speaks Pacific Island Languages: 3.1 %
  • Speak Other Languages: 2.5 %
Marital Status: 
  • Currently Married: 28.4 %
  • Divorced: 10.6 %
  • Separated (not divorced): 2.6 %
  • Never Married: 54.9 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 21231 zip code is $105686. This is 16.20% greater than the national average. This income places 19.1% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $17966. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.

Annual Income Bracket ($)Number of Families in Bracket
Less than $10,000.00269
$10,000.00 – $14,999.00109
$15,000.00 – $24,999.00221
$25,000.00 – $34,999.00145
$35,000.00 – $49,999.00120
$50,000.00 – $74,999.00268
$75,000.00 – $99,999.00196
$100,000.00 – $149,999.00401
$150,000.00 – $199,999,00404
$200,000.00 +635

YearMedian Family Income ($ USD)
201151928
201259375
201361455
201464352
201560912
201673934
201778391
201886910
201993533
2020102652
2021105686

Income Source# of Households
Wage or Salary6312
Self Employment665
Social Security1307
Dividends, Interest, or Rental1334
Retirement803
Other546

Total Insured & Uninsured Individuals: 
  • Families Insure: 15005
  • Families Uninsured: 689
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 803
  • No retirement income: 7172

Education

In the 21231 zip code, 91.6% of individuals over 25 years old have a high school degree or higher, and 62.6% have a bachelors degree or higher. Additionally, 34.9% of individuals 3 years and older are in private school, and 65.1% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 21231 zip, there are an estimated 9897 people in the labor force, of which, 9561 are employed, and 304 are unemployed. There are a total of 32 people in the armed forces. The average commute time for this zip code is 25.8 minutes. Of the total people that work, 1754 worked from home and 9489 commuted. The average number of hours worked is 42.7. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts7256
Services701
Sales and Office1062
Construction and Maintenance:218
Transportation and Material Moving324





Housing

The median home value for the 21231 zip code is 297000. There is an estimated  7975 number of occupied housing units, the median gross rent in is $1462 per month, and the average monthly housing costs are estimated to be $1567. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,00050
$50,000 – $99,00056
$100,000 – $149,999128
$150,000 – $199,999250
$200,000 – $299,999862
$300,000 – $499,999921
$500,000 – $999,999341
$1,000,000+23

Home Year BuiltNumber of Homes
2020 or Later42
2010 – 2019963
2000 – 2009699
1980 – 1999697
1960 – 1979740
1940 – 1959896
1939 or earlier3938

The median number of rooms in all housing units is 4.3 rooms.
Monthly Rent ($ USD)Number of Units
Less than $5001140
$500 – $999511
$1,000 – $1,4991101
$1,500 – $1,9991269
$2,000 – $2,499555
$2,499 – $2,999370
$3,000 + 343

Monthly Housing Costs ($)Number of Households
Less than 300889
300-499448
500-799395
800-999395
1000-14991512
1500-19991795
2000-24991069
2500-2999645
3000+772

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%986
20%-24.9%361
25%-29.9%178
30%-34.9%85
35+%469



# of VehiclesHouseholds
None2034
13913
21690
3+338
Home Heating Characteristics: 
  • Utility Gas: 57.2 %
  • Bottle Tank or LP Gas: 0.7 %
  • Electricity: 39.7 %
  • Oil or Kerosene etc: 1.2 %
  • Coal or Coke: 0 %
  • All Other: 0.5 %

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All information sourced from official government sources including Census.gov, the IRS, and the Department of Education.