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.
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.
Year
Population
2011
16415
2012
16367
2013
16801
2014
17148
2015
17047
2016
16545
2017
16729
2018
16160
2019
15854
2020
15906
2021
15746
Age Bracket
Number of People
Percentage of Population
Under 5 years oldÂ
776
4.9%
Age 5-9
545
3.5%
Age 10-14
692
4.4%
Age 15-19
457
2.9%
Age 20-24
905
5.7
Age 25-29
3122
19.8%
Age 30-34
2284
14.5%
Age 35-39
1697
10.8%
Age 40-44
786Â
5%
Age 45-49
796
5.1%
Age 50-54
807
5.1%
Age 55-59
668
4.2%
Age 60-64
674
4.3%
Age 65-69
623
4%
Age 70-74
515
3.3%
Age 75-79
156
1%
Age 80-84
82
0.5%
Age 85 and over
161
1%
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:Â
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 $10,000.00
269
$10,000.00 – $14,999.00
109
$15,000.00 – $24,999.00
221
$25,000.00 – $34,999.00
145
$35,000.00 – $49,999.00
120
$50,000.00 – $74,999.00
268
$75,000.00 – $99,999.00
196
$100,000.00 – $149,999.00
401
$150,000.00 – $199,999,00
404
$200,000.00 +
635
Year
Median Family Income ($ USD)
2011
51928
2012
59375
2013
61455
2014
64352
2015
60912
2016
73934
2017
78391
2018
86910
2019
93533
2020
102652
2021
105686
Income Source
# of Households
Wage or Salary
6312
Self Employment
665
Social Security
1307
Dividends, Interest, or Rental
1334
Retirement
803
Other
546
Total Insured & Uninsured Individuals:Â
Families Insure: 15005
Families Uninsured: 689
Total Individuals with and w/o retirement income:Â
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 Arts
7256
Services
701
Sales and Office
1062
Construction and Maintenance:
218
Transportation and Material Moving
324
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 $50,000
50
$50,000 – $99,000
56
$100,000 – $149,999
128
$150,000 – $199,999
250
$200,000 – $299,999
862
$300,000 – $499,999
921
$500,000 – $999,999
341
$1,000,000+
23
Home Year Built
Number of Homes
2020 or Later
42
2010 – 2019
963
2000 – 2009
699
1980 – 1999
697
1960 – 1979
740
1940 – 1959
896
1939 or earlier
3938
The median number of rooms in all housing units is 4.3 rooms.