21104 Zip Code Income, Population and Demographics

Are you tired of spending 10+ hours searching for demographic and population data for the 21104 zip code? We have all of the data you need by state, county, city, and zip code that will save you many hours of research!

In this article, we'll explore most of the 190+ data points we have for 21104, covering popular demographics statistics like household income, race, age and gender, educational attainment, poverty, housing, and transportation.

21104 is a zip code in Baltimore County, Carroll County, and Howard County, Maryland, which covers District 2, District 5, Freedom, District 3, and West Friendship, with a total population of 6,029 people.

The data on this page is from the 2021 American Community Survey (ACS) 5-Year survey from the US Census Bureau.

Median Household Income

According to the latest ACS 5-year survey in 2020, the median household income in 21104 is $171,012.00.

The chart below shows the average household income by age in 21104.

  • Under 25
    $0.00
  • 25 to 44
    $250,001.00
  • 45 to 64
    $211,389.00
  • 65 and over
    $111,771.00

Average Household Income

A very commonly asked question is "what is the average household income in the 21104 zip code?". The official term for the average household income is the mean household income. The mean household income is the total income of all households divided by the number of households.

The average (or mean) household income in 21104 is $185,170.00.

43.15% of households in the 21104 zip code are classed as high income households (making $200,000+ per year).

The difference between a median and an average income

The difference between a median and mean household income is that the median income is the middle point of the set of numbers whereas the mean income is an average of all numbers.

Both metrics are important when looking at the income statistics for 21104 but because the median value doesn't depend on other numbers in the dataset, it doesn't change as much when some of the values are extremely low or extremely high.

Household Income Tiers for 21104

We can also look at the household income tiers. This lets you see how many households fall into each of the earnings brackets and what percentage that bracket is of the total number of households.

The chart below shows the household income brackets to see which age groups have the highest median income. The actual data is more granular than these brackets, but we've simplified them into bigger categories to make reviewing the data for the 21104 zip code easier to view.

You can purchase the raw data above, which will have the full income tiers with smaller jumps in household income.

  • Less than $24,999
    5.22%
  • $25,000 to $49,999
    6.55%
  • $50,000 to $74,999
    6.21%
  • $75,000 to $99,999
    6.60%
  • $100,000 to $149,999
    17.14%
  • $150,000 to $199,999
    15.12%
  • $200,000 or more
    43.15%

Per Capita Income

The per capita income is the average income of all people in the 21104 zip code. This is calculated by dividing the total income of all people in 21104 by the total number of people in 21104.

It differs from the average or mean household income because it includes all people in 21104 and not just the people who earn an income (i.e. children, retirees, unemployed, etc.).

The per capita income in the 21104 zip code is $60,810.00.

Population in 21104 by Race and Ethnicity

The total population in 21104 is currently 6,029 people.

The race and ethnicity of the population in 21104 can be very important for social research, economics, and marketing to a multi-culturial society.

Whether you want to target products or services to a particular race or ethnicity, or provide housing and new businesses to improve areas with a larger ethnic minority population, this data is very valuable for discovering suitable areas.

The chart below breaks down the population and percentage for each race and ethnicity in the 21104 zip code.

  • 75.40% White
    4,686
  • 3.50% Black/African American
    215
  • 0.00% Native
    0
  • 3.50% Hispanic
    215
  • 11.50% Asian
    713
  • 0.00% Hawaiian/Pacific Islander
    0
  • 5.80% Two or more races
    362
  • 0.30% Other
    21

Population of 21104 by Age and Gender

Another very important demographics statistic for the 21104 zip code is the age and gender of the population. The age and gender of the population can be used to track trends in population growth or decline, and for businesses, the data can be used to identify people important to you and your business need.

In the table below, we show age groups at a 10 year granularity for ease of use. The raw data, which can be purchased above, includes age and gender at a 5 year granularity.

Age Group Male Female
0 to 9 Years 398 308
10 to 19 Years 377 420
20 to 29 Years 337 316
30 to 39 Years 189 195
40 to 49 Years 469 462
50 to 59 Years 596 517
60 to 69 Years 406 473
70 Years and over 295 454

Education Levels

Educational attainment is a very useful statistic that can give insights into other data such as the average household income, unemployment levels, and literacy.

What this means is that it is likely for areas that have higher levels of education to have higher average household incomes, lower unemployment rates, and higher literacy rates.

The chart below shows the educational attainment of the population in the 21104 zip code.

  • Master's degree or higher
    21.96%
  • Bachelor's degree
    46.17%
  • Some college or associate's degree
    10.19%
  • High school diploma or equivalent
    21.68%
  • Less than high school diploma
    0.00%

Unemployment Rates

The unemployment rate is the percentage of the population that is actively looking for work but is unable to find a job. The unemployment rate is a very important statistic for 21104 because it can show how many people are actively looking for work and how many people are unable to find a job.

Lower levels of unemployment is generally seen as a positive sign for the economy. It also makes the government in 21104 look good because it shows that they are doing a good job of creating jobs, working to capacity, being efficient, and keeping the economy strong.

The unemployment rate is calculated using the total population in the 21104 zip code that are over the age of 16.

The current population in 21104 that are over the age of 16 is 4,953 people.

The unemployment rate in 21104 is 34.10%, which means 1,687 people are unemployed.

Median Age in 21104

The median age is an interesting metric because it gives us an idea of the age distribution of people in the 21104 zip code. You know when you see a median age that it is the age where half of the population is older and half is younger than it.

For demographic studies, this can be used to infer and compare date to things such as birth rates, the age of parents, and so on.

An increasing median age can be a sign of an aging population, which can be a sign of a declining population. This is because older people tend to have fewer children and die more often than younger people.

The median age in 21104 is 46.1 years old.

We can also look at the median age by gender to compare the see how each group compares to the total median age:

Median age by gender in 21104

46.1

Total

44.7

Male

47.2

Female

Households and Families

There are a total of 2,030 households in 21104, and the average household size is 3.05 people.

For families, the total number is 1,650, and the average family size is 3.34 people.

0.80% of those families in the 21104 zip code are living below the poverty line.

The table below shows the poverty thresholds for 21104 in 2022.

Household Size Poverty Threshold
1 Person $13,590.00
2 People $18,310.00
3 People $23,030.00
4 People $27,750.00
5 People $32,470.00
6 People $37,190.00
7 People $41,910.00
8 People $46,630.00

Please note that the poverty thresholds shown above are from 2022, while the latest demographics data we have is from 2020.

Households and Families by Marital Status

There are four types of household and family, as defined by the Census Bureau:

  • Married-couple
  • Male householder, no spouse present
  • Female householder, no spouse present
  • Nonfamily household

In the table below, you can see the total households and families in the 21104 zip code for each type, as well as the average sizes.

Married Male Female Nonfamily
Total Households 1,475 54 121 380
Average Household Size 3.38 3.81 3.93 1.37
Total Families 1,475 54 121 0
Average Household Size 3.32 3.2 3.62 0

Housing Data in 21104

There are total of 2,046 housing units in the 21104 zip code. Of those units, 2,030 (99.22%) are occupied, and 16 (0.78%) are vacant.

Rental Rates

Of the 2,046 housing units in 21104, 23 (1.12%) are occupied by renters. The median rent paid by renters is $0.00.

Owner occupied housing units make up the remaining 93.79% of housing units, with 1,919 housing units in total.

The table below breaks down how much rent is paid by renters in the 21104 zip code.

  • No rent paid
    88
  • Less than $500
    0
  • $500 to $999
    10
  • $1,000 to $1,499
    0
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    13
  • $3,000 or more
    0

Property Values

The median value of a property in 21104 is $581,900.00.

The table below breaks down the range of valuations for all properties in 21104.

  • Less than $50,000
    22
  • $50,000 to $99,999
    19
  • $100,000 to $149,999
    10
  • $150,000 to $199,999
    0
  • $200,000 to $299,999
    38
  • $300,000 to $499,999
    576
  • $500,000 to $999,999
    1,187
  • $1,000,000 or more
    67

Property Age

We can also look at the number of properties built in a given year to see the spread of property age in the 21104 zip code.

  • 1939 or earlier
    41
  • 1940 to 1949
    7
  • 1950 to 1959
    53
  • 1960 to 1969
    70
  • 1970 to 1979
    266
  • 1980 to 1989
    350
  • 1990 to 1999
    479
  • 2000 to 2009
    331
  • 2010 to 2013
    429
  • 2014 or later
    20

Vehicles Available per Household

Finally, we have data on how many vehicles each household in 21104 has. The table below breaks down the number of vehicles available per household.

  • No vehicles available
    14
  • 1 vehicle available
    240
  • 2 vehicles available
    808
  • 3 or more vehicles available
    968

Commuting to Work in 21104

The time and means of commuting to work are useful metrics to look at because they can be correlated against other data such as income and education level.

Does a longer commuting time indicate a higher average income? If so, has the huge increase in home working during the pandemic changed this?

Using these metrics, we can get a better understanding of the demographics of the 21104 zip code, how they commute, and how that correlates to other data points.

The average travel time is 32.8 minutes, and the chart below covers the range of travel times across the population of 21104.

  • Less than 5 minutes
    10
  • 5 to 9 minutes
    194
  • 10 to 14 minutes
    258
  • 15 to 19 minutes
    213
  • 20 to 24 minutes
    218
  • 25 to 29 minutes
    284
  • 30 to 34 minutes
    374
  • 35 to 39 minutes
    247
  • 40 to 44 minutes
    225
  • 45 to 59 minutes
    368
  • 60 to 89 minutes
    177
  • 90 or more minutes
    98

We can also look at the means of transport in 21104 to see which modes of transport people are using to commute to work.

  • Drove alone
    2,592
  • Carpooled
    74
  • Public transportation
    0
  • Walked
    0
  • Other means
    0
  • Worked from home
    408

Conclusion

Hopefully this article has given you the demographics data you were looking for in the 21104 zip code.

If you need more demographics data, or you need the data listed above in spreadsheet form with more granular grouping, head back to the top of this page where you can purchase the complete demographics data for 21104.

Link To or Reference This Page

We spent a lot of time downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "21104 Zip Code Income, Population and Demographics". NameCensus.com. Accessed on February 2, 2023. https://namecensus.com/demographics/maryland/21104/.

  • "21104 Zip Code Income, Population and Demographics". NameCensus.com, https://namecensus.com/demographics/maryland/21104/. Accessed 2 February, 2023

  • 21104 Zip Code Income, Population and Demographics. NameCensus.com. Retrieved from https://namecensus.com/demographics/maryland/21104/.