Below you will find a comprehensive overview of the statistics and characteristics of the 21204 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 21204 zip code. The total population is 21378, of which, 9964 are male and 11414 are female. With a total area of 15.611 square miles, the population density is 1380.1 people per square mile. The median age of the population is 33.9 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
19502
2012
19930
2013
20116
2014
20269
2015
20271
2016
20562
2017
21295
2018
21628
2019
21545
2020
21518
2021
21378
Age Bracket
Number of People
Percentage of Population
Under 5 years oldÂ
687
3.2%
Age 5-9
898
4.2%
Age 10-14
1141
5.3%
Age 15-19
1692
7.9%
Age 20-24
3422
16
Age 25-29
1903
8.9%
Age 30-34
1213
5.7%
Age 35-39
867
4.1%
Age 40-44
991Â
4.6%
Age 45-49
984
4.6%
Age 50-54
934
4.4%
Age 55-59
1119
5.2%
Age 60-64
1178
5.5%
Age 65-69
1392
6.5%
Age 70-74
954
4.5%
Age 75-79
570
2.7%
Age 80-84
517
2.4%
Age 85 and over
916
4.3%
Languages Spoken (of those 5 years of age and older) :
Speaks Language other than English: 11.3 %
Speaks Spanish: 2.7 %
Speaks Other Indo-European Language: 4 %
Speaks Pacific Island Languages: 2.9 %
Speak Other Languages: 1.7 %
Marital Status:Â
Currently Married: 36.9 %
Divorced: 8.7 %
Separated (not divorced): 1.4 %
Never Married: 45.4 %
Income & Economic Characteristics
The median inflation-adjusted family income in the 21204 zip code is $142136. This is 34.61% greater than the national average. This income places 12.5% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $32104. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.
Annual Income Bracket ($)
Number of Families in Bracket
Less than $10,000.00
83
$10,000.00 – $14,999.00
24
$15,000.00 – $24,999.00
58
$25,000.00 – $34,999.00
127
$35,000.00 – $49,999.00
148
$50,000.00 – $74,999.00
258
$75,000.00 – $99,999.00
514
$100,000.00 – $149,999.00
934
$150,000.00 – $199,999,00
669
$200,000.00 +
1237
Year
Median Family Income ($ USD)
2011
125526
2012
115476
2013
110069
2014
111858
2015
111818
2016
117850
2017
128889
2018
134811
2019
140551
2020
136380
2021
142136
Income Source
# of Households
Wage or Salary
6432
Self Employment
986
Social Security
2665
Dividends, Interest, or Rental
2874
Retirement
1745
Other
561
Total Insured & Uninsured Individuals:Â
Families Insure: 19362
Families Uninsured: 260
Total Individuals with and w/o retirement income:Â
Yes retirement income: 1745
No retirement income: 6618
Education
In the 21204 zip code, 95% of individuals over 25 years old have a high school degree or higher, and 66.7% have a bachelors degree or higher. Additionally, 37.8% of individuals 3 years and older are in private school, and 62.2% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.
Occupation and Work Characteristics
In the 21204 zip, there are an estimated 10527 people in the labor force, of which, 10215 are employed, and 283 are unemployed. There are a total of 29 people in the armed forces. The average commute time for this zip code is 26.1 minutes. Of the total people that work, 1367 worked from home and 10082 commuted. The average number of hours worked is 37. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.
Occupation
# of Individual
Management, Business, Science, and Arts
6258
Services
1318
Sales and Office
2068
Construction and Maintenance:
201
Transportation and Material Moving
370
Housing
The median home value for the 21204 zip code is 449300. There is an estimated 8363 number of occupied housing units, the median gross rent in is $1712 per month, and the average monthly housing costs are estimated to be $1695. 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
53
$50,000 – $99,000
11
$100,000 – $149,999
66
$150,000 – $199,999
228
$200,000 – $299,999
645
$300,000 – $499,999
1513
$500,000 – $999,999
1364
$1,000,000+
378
Home Year Built
Number of Homes
2020 or Later
0
2010 – 2019
833
2000 – 2009
644
1980 – 1999
1963
1960 – 1979
2292
1940 – 1959
1973
1939 or earlier
658
The median number of rooms in all housing units is 5.3 rooms.
