Below you will find a comprehensive overview of the statistics and characteristics of the 21704 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 21704 zip code. The total population is 17372, of which, 9004 are male and 8368 are female. With a total area of 67.928 square miles, the population density is 248.6 people per square mile. The median age of the population is 37.1 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
12778
2012
13407
2013
14222
2014
14820
2015
15455
2016
15764
2017
16076
2018
16518
2019
16887
2020
16478
2021
17372
Age Bracket
Number of People
Percentage of Population
Under 5 years oldÂ
1156
6.7%
Age 5-9
1733
10%
Age 10-14
1549
8.9%
Age 15-19
1586
9.1%
Age 20-24
674
3.9
Age 25-29
596
3.4%
Age 30-34
716
4.1%
Age 35-39
1605
9.2%
Age 40-44
1432Â
8.2%
Age 45-49
1933
11.1%
Age 50-54
1318
7.6%
Age 55-59
854
4.9%
Age 60-64
634
3.6%
Age 65-69
530
3.1%
Age 70-74
397
2.3%
Age 75-79
322
1.9%
Age 80-84
88
0.5%
Age 85 and over
249
1.4%
Languages Spoken (of those 5 years of age and older) :
Speaks Language other than English: 25 %
Speaks Spanish: 5.1 %
Speaks Other Indo-European Language: 10.3 %
Speaks Pacific Island Languages: 8.7 %
Speak Other Languages: 1 %
Marital Status:Â
Currently Married: 61.2 %
Divorced: 7.9 %
Separated (not divorced): 1.7 %
Never Married: 25.2 %
Income & Economic Characteristics
The median inflation-adjusted family income in the 21704 zip code is $168661. This is 135.30% greater than the national average. This income places 2.9% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $38308. Below you can find additional economic characteristics, including income bracket distribution, median income over time, retirement statistics, and more.
Annual Income Bracket ($)
Number of Families in Bracket
Less than $10,000.00
35
$10,000.00 – $14,999.00
26
$15,000.00 – $24,999.00
19
$25,000.00 – $34,999.00
28
$35,000.00 – $49,999.00
92
$50,000.00 – $74,999.00
362
$75,000.00 – $99,999.00
358
$100,000.00 – $149,999.00
932
$150,000.00 – $199,999,00
996
$200,000.00 +
1629
Year
Median Family Income ($ USD)
2011
120815
2012
120650
2013
129007
2014
128800
2015
128408
2016
135471
2017
139390
2018
147773
2019
158509
2020
156279
2021
168661
Income Source
# of Households
Wage or Salary
4725
Self Employment
667
Social Security
1036
Dividends, Interest, or Rental
1570
Retirement
978
Other
697
Total Insured & Uninsured Individuals:Â
Families Insure: 16592
Families Uninsured: 338
Total Individuals with and w/o retirement income:Â
Yes retirement income: 978
No retirement income: 4403
Education
In the 21704 zip code, 96% of individuals over 25 years old have a high school degree or higher, and 58.9% have a bachelors degree or higher. Additionally, 13.7% of individuals 3 years and older are in private school, and 86.3% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.
Occupation and Work Characteristics
In the 21704 zip, there are an estimated 8992 people in the labor force, of which, 8703 are employed, and 204 are unemployed. There are a total of 85 people in the armed forces. The average commute time for this zip code is 39 minutes. Of the total people that work, 1445 worked from home and 8627 commuted. The average number of hours worked is 39.4. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.
Occupation
# of Individual
Management, Business, Science, and Arts
5488
Services
980
Sales and Office
1259
Construction and Maintenance:
499
Transportation and Material Moving
477
Housing
The median home value for the 21704 zip code is 513500. There is an estimated 5381 number of occupied housing units, the median gross rent in is $2117 per month, and the average monthly housing costs are estimated to be $2546. 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
33
$50,000 – $99,000
0
$100,000 – $149,999
11
$150,000 – $199,999
93
$200,000 – $299,999
214
$300,000 – $499,999
1706
$500,000 – $999,999
2222
$1,000,000+
63
Home Year Built
Number of Homes
2020 or Later
55
2010 – 2019
1397
2000 – 2009
2420
1980 – 1999
677
1960 – 1979
434
1940 – 1959
235
1939 or earlier
163
The median number of rooms in all housing units is 7.6 rooms.