Below you will find a comprehensive overview of the statistics and characteristics of the 21784 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 21784 zip code. The total population is 36809, of which, 18275 are male and 18534 are female. With a total area of 148.983 square miles, the population density is 250.8 people per square mile. The median age of the population is 41 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
38965
2012
39401
2013
39259
2014
39696
2015
39188
2016
39115
2017
39091
2018
38390
2019
37365
2020
36484
2021
36809
Age Bracket
Number of People
Percentage of Population
Under 5 years oldÂ
1952
5.3%
Age 5-9
2357
6.4%
Age 10-14
2562
7%
Age 15-19
2612
7.1%
Age 20-24
1837
5
Age 25-29
1468
4%
Age 30-34
2375
6.5%
Age 35-39
2716
7.4%
Age 40-44
2609Â
7.1%
Age 45-49
2436
6.6%
Age 50-54
3348
9.1%
Age 55-59
2574
7%
Age 60-64
2569
7%
Age 65-69
1629
4.4%
Age 70-74
1543
4.2%
Age 75-79
981
2.7%
Age 80-84
569
1.5%
Age 85 and over
672
1.8%
Languages Spoken (of those 5 years of age and older) :
Speaks Language other than English: 5.8 %
Speaks Spanish: 1.5 %
Speaks Other Indo-European Language: 2 %
Speaks Pacific Island Languages: 2 %
Speak Other Languages: 0.3 %
Marital Status:Â
Currently Married: 60.4 %
Divorced: 7.8 %
Separated (not divorced): 1.4 %
Never Married: 25.4 %
Income & Economic Characteristics
The median inflation-adjusted family income in the 21784 zip code is $144841. This is 90.15% greater than the national average. This income places 3.5% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $38214. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.
Annual Income Bracket ($)
Number of Families in Bracket
Less than $10,000.00
74
$10,000.00 – $14,999.00
42
$15,000.00 – $24,999.00
181
$25,000.00 – $34,999.00
137
$35,000.00 – $49,999.00
315
$50,000.00 – $74,999.00
689
$75,000.00 – $99,999.00
1114
$100,000.00 – $149,999.00
2705
$150,000.00 – $199,999,00
2087
$200,000.00 +
2781
Year
Median Family Income ($ USD)
2011
112990
2012
114555
2013
118959
2014
121692
2015
121297
2016
122969
2017
124721
2018
126895
2019
134129
2020
137493
2021
144841
Income Source
# of Households
Wage or Salary
10672
Self Employment
1580
Social Security
3526
Dividends, Interest, or Rental
3640
Retirement
3542
Other
1306
Total Insured & Uninsured Individuals:Â
Families Insure: 34901
Families Uninsured: 838
Total Individuals with and w/o retirement income:Â
Yes retirement income: 3542
No retirement income: 9552
Education
In the 21784 zip code, 94.5% of individuals over 25 years old have a high school degree or higher, and 50.2% have a bachelors degree or higher. Additionally, 18.6% of individuals 3 years and older are in private school, and 81.4% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.
Occupation and Work Characteristics
In the 21784 zip, there are an estimated 20101 people in the labor force, of which, 19351 are employed, and 613 are unemployed. There are a total of 137 people in the armed forces. The average commute time for this zip code is 36.5 minutes. Of the total people that work, 2811 worked from home and 19191 commuted. The average number of hours worked is 38.4. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.
Occupation
# of Individual
Management, Business, Science, and Arts
10992
Services
2638
Sales and Office
3459
Construction and Maintenance:
1328
Transportation and Material Moving
934
Housing
The median home value for the 21784 zip code is 404300. There is an estimated 13094 number of occupied housing units, the median gross rent in is $1494 per month, and the average monthly housing costs are estimated to be $1860. 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
83
$50,000 – $99,000
52
$100,000 – $149,999
79
$150,000 – $199,999
416
$200,000 – $299,999
1513
$300,000 – $499,999
6308
$500,000 – $999,999
2735
$1,000,000+
131
Home Year Built
Number of Homes
2020 or Later
0
2010 – 2019
759
2000 – 2009
1695
1980 – 1999
5346
1960 – 1979
4092
1940 – 1959
758
1939 or earlier
444
The median number of rooms in all housing units is 7.5 rooms.
