21648 Zip Code

Below you will find a comprehensive overview of the statistics and characteristics of the 21648 zip code. These include population demographics, economic characteristics, education data, occupation information, housing characteristics, and more.

Key Information:
StateMaryland
CityMadison
Time ZoneAmerica/New_York
Geo Location38.4836, -76.23009
Population116
Size46.053 square miles
Median Family Income$141319.00
Median Home Value$0.00

Population & Demographics

The following information lists the population statistics and breakdown for the 21648 zip code. The total population is 116, of which, 69 are male and 47 are female. With a total area of 46.053 square miles, the population density is 3.8 people per square mile. The median age of the population is 28.8 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
2011312
2012308
2013358
2014330
2015308
2016267
2017292
2018256
2019175
2020126
2021116

Age BracketNumber of PeoplePercentage of Population
Under 5 years old 43.4%
Age 5-965.2%
Age 10-1476%
Age 15-191210.3%
Age 20-241311.2
Age 25-292723.3%
Age 30-3400%
Age 35-3900%
Age 40-440 0%
Age 45-4997.8%
Age 50-54108.6%
Age 55-5900%
Age 60-641512.9%
Age 65-6943.4%
Age 70-7454.3%
Age 75-7943.4%
Age 80-8400%
Age 85 and over00%


Languages Spoken (of those 5 years of age and older) :
  • Speaks Language other than English: 12.5 %
  • Speaks Spanish: 2.7 %
  • Speaks Other Indo-European Language: 9.8 %
  • Speaks Pacific Island Languages: 0 %
  • Speak Other Languages: 0 %
Marital Status: 
  • Currently Married: 52.5 %
  • Divorced: 9.1 %
  • Separated (not divorced): 4 %
  • Never Married: 34.3 %

Income & Economic Characteristics

The median inflation-adjusted family income in the 21648 zip code is $141319. This is 59.74% greater than the national average. This income places 23.7% of the population below the poverty line. The average retirement income for individuals in this zip code (for those that have it) is $N. 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 $10,000.000
$10,000.00 – $14,999.004
$15,000.00 – $24,999.000
$25,000.00 – $34,999.000
$35,000.00 – $49,999.000
$50,000.00 – $74,999.000
$75,000.00 – $99,999.000
$100,000.00 – $149,999.0022
$150,000.00 – $199,999,000
$200,000.00 +9

YearMedian Family Income ($ USD)
201167857
201268250
201343750
201444643
201541875
201669750
201778068
201898438
2019100972
2020105000
2021141319

Income Source# of Households
Wage or Salary40
Self Employment9
Social Security8
Dividends, Interest, or Rental9
Retirement4
Other0

Total Insured & Uninsured Individuals: 
  • Families Insure: 97
  • Families Uninsured: 0
Total Individuals with and w/o retirement income:   
  • Yes retirement income: 4
  • No retirement income: 40

Education

In the 21648 zip code, 100% of individuals over 25 years old have a high school degree or higher, and 33.8% have a bachelors degree or higher. Additionally, 36% of individuals 3 years and older are in private school, and 64% are in public school. The data below outline the education level breakdown, degree field breakdown, and more.




Occupation and Work Characteristics

In the 21648 zip, there are an estimated 79 people in the labor force, of which, 79 are employed, and 0 are unemployed. There are a total of 0 people in the armed forces. The average commute time for this zip code is 27.6 minutes. Of the total people that work, 0 worked from home and 79 commuted. The average number of hours worked is 39.8. Below you’ll find additional information on occupation distribution, industry breakdown, commuting characteristics and workplace statistics.

Occupation# of Individual
Management, Business, Science, and Arts49
Services12
Sales and Office10
Construction and Maintenance:8
Transportation and Material Moving0





Housing

The median home value for the 21648 zip code is 0. There is an estimated  44 number of occupied housing units, the median gross rent in is $0 per month, and the average monthly housing costs are estimated to be $1222. Below you’ll find additional breakdowns of home values, rents, home build years, and more.

Home Value (USD)Number of Homes
Less than $50,0000
$50,000 – $99,0004
$100,000 – $149,99910
$150,000 – $199,99913
$200,000 – $299,9990
$300,000 – $499,9990
$500,000 – $999,99913
$1,000,000+0

Home Year BuiltNumber of Homes
2020 or Later0
2010 – 20199
2000 – 20094
1980 – 19998
1960 – 197919
1940 – 19594
1939 or earlier0

The median number of rooms in all housing units is 4.3 rooms.
Monthly Rent ($ USD)Number of Units
Less than $5000
$500 – $9990
$1,000 – $1,4990
$1,500 – $1,9994
$2,000 – $2,4990
$2,499 – $2,9990
$3,000 + 0

Monthly Housing Costs ($)Number of Households
Less than 3000
300-4990
500-7990
800-99914
1000-149917
1500-19994
2000-24990
2500-29994
3000+5

Monthly Housing Cost as a % of Monthly IncomeNumber of Households
Less than 20%27
20%-24.9%0
25%-29.9%0
30%-34.9%0
35+%5



# of VehiclesHouseholds
None0
114
218
3+12
Home Heating Characteristics: 
  • Utility Gas: 0 %
  • Bottle Tank or LP Gas: 29.5 %
  • Electricity: 50 %
  • Oil or Kerosene etc: 20.5 %
  • Coal or Coke: 0 %
  • All Other: 0 %

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