21904 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 21904, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

21904 is a zip code in Cecil County, Maryland, which covers District 5, North East, District 6, Rising Sun, District 7, and Port Deposit, with a total population of 6,386 people.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in the 21904 zip code. The most basic data is the total population, which is the total number of people living in 21904.

The estimated population of people living in 21904 is 6,386, with a median age of 44.4.

We can look back at data from previous years to see how the population in the 21904 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
6,386
 -1.51% -11.62%
2020
6,484
 -8.35% -
2019
7,075
+1%
-
2018
7,005
 -3.06% -
2017
7,226
 - -

Population of 21904 by Race and Ethnicity

How much has the race and ethnicity of the population in the 21904 zip code changed? The US Census Bureau gives us a few defined types that the population is broken down into.

Let's look at the total numbers and also the change over the last 5 years.

Race 2021 2017 Change
White
83.5%
90.3%
 -7.53%
Black/African American
7.1%
5.8%
 +22.41%
Native
0%
0%
 0.00%
Hispanic
6.5%
2.4%
 +170.83%
Asian
0%
0%
 0.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
2.8%
1.5%
 +86.67%
Other
0%
0%
 0.00%

This data can be very important for anybody studying the 21904 zip for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of 21904 by Age and Gender

We can also monitor the change of the age and gender in the 21904 zip code to track track trends in the population over time.

We can see how the population in 21904 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 44.4 +0.91% 43.9 -0.9% 45.4 +3.65%
2020 44 +3.77% 44.3 +5.73% 43.8 +1.86%
2019 42.4 +0.95% 41.9 +2.44% 43 -0.23%
2018 42 +1.69% 40.9 +0.74% 43.1 +1.89%
2017 41.3 - 40.6 - 42.3 -

The median age of the 21904 zip gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population in the 21904 area, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 415 -12.38% 361 -2.64% 363 333
10 to 19 520 3.57% 436 -11.4% 500 375
20 to 29 407 -15.82% 446 -50.73% 330 243
30 to 39 411 -34.92% 403 1.64% 276 399
40 to 49 479 -18.41% 590 -21.37% 363 466
50 to 59 655 -3.74% 593 +6.59% 624 625
60 to 69 436 +17.61% 496 -35.33% 501 337
70+ 298 +16.14% 280 +23.55% 306 345

Median Household Income

The latest median household income for the 21904 zip code is $88,657.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less.

The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for 21904.

  • Under 25
    $0.00
  • 25 to 44
    $98,468.00
  • 45 to 64
    $98,224.00
  • 65 and over
    $61,801.00

Average Household Income

Whenever we ask what is the average household income in the 21904 zip code, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in 21904, and then dividing that number by the total number of households.

This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of 21904 is currently $105,519.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

10.16% of households in 21904 are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of 21904 against other zip codes.

  • Less than $24,999
    12.53%
  • $25,000 to $49,999
    16.83%
  • $50,000 to $74,999
    12.61%
  • $75,000 to $99,999
    13.88%
  • $100,000 to $149,999
    22.69%
  • $150,000 to $199,999
    11.30%
  • $200,000 or more
    10.16%

Per Capita Income

The per capita income in 21904 is $40,840.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 21904 by the total population of 21904.

This is different from the average or mean income because it includes and accounts for all people living in the 21904 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 21904 to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    13.78%
  • Bachelor's degree
    20.37%
  • Some college or associate's degree
    14.31%
  • High school diploma or equivalent
    49.10%
  • Less than high school diploma
    2.43%

Employment

Employment rates are all based around the total population in 21904 that are over the age of 16.

Currently, the total population of the 21904 zip over the age of 16 is 5,222.

Of those people, a total of 65.10% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in 21904 is 62.30%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate. Here's how that breaks down for the 21904 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 407 42.80% 0.00%
20 to 24 years 399 91.20% 8.20%
25 to 29 years 174 80.50% 6.40%
30 to 34 years 329 92.70% 6.20%
35 to 44 years 761 83.00% 6.80%
45 to 54 years 1,034 83.90% 1.50%
55 to 59 years 629 70.60% 3.20%
60 to 64 years 488 45.10% 0.00%
65 to 74 years 612 33.70% 0.00%
75 years and over 389 11.80% 15.20%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 21904. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau (which we mentioned earlier in this article).

Age Population Participation Unemployment Rate
White 4,721 65.50% 4.40%
Black or African American 394 56.30% 0.00%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 2 100.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 19 100.00% 0.00%
Two or more races 86 75.60% 0.00%
Hispanic or Latino 266 74.40% 8.10%
Not Hispanic or Latino 4,518 65.40% 4.00%

Occupations

In this section we can look at the most common occupations for people living in the 21904 area as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in 21904 is 3,255, with median earnings of $50,639.00.

Women in 21904 are earning approximately 74.00% of the men's earnings.

Population Earnings
Total 3,255 $50,639.00
Male 1,670 $56,111.00
Female 1,585 $41,510.00

Occupations by Category

In the table below, we can break down the population and earnings for 21904 even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 193 $86,708.00
Business and Financial 136 $98,667.00
Computer and Mathematical 113 $90,804.00
Architecture and Engineering 39 $95,903.00
Life, Physical, and Social Science 16 $0.00
Community and Social Service 13 $72,969.00
Legal 20 $125,714.00
Educational and Library 159 $38,083.00
Arts, Design, Entertainment, Sports, and Media 48 $83,929.00
Healthcare Practitioners 337 $96,042.00
Healthcare Support 53 $43,036.00
Firefighters and Protective Service 33 $51,875.00
Law Enforcement 18 $0.00
Food Preparation and Serving 290 $9,286.00
Building and Grounds Cleaning 87 $10,938.00
Personal Care and Service 30 $16,875.00
Sales 464 $36,250.00
Office and Administrative Support 373 $46,824.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 153 $66,359.00
Installation, Maintenance, and Repair 113 $53,803.00
Production 172 $54,048.00
Transportation and Material Moving 223 $48,237.00

Occupations by Gender

Now we can also look at the occupations by category for 21904 when it is broken down by male and female.

This lets us see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings for 21904.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 131 $86,292.00 62 $110,357.00
Business and Financial 92 $148,629.00 44 $56,563.00
Computer and Mathematical 96 $84,773.00 17 $90,982.00
Architecture and Engineering 39 $95,903.00 0 $0.00
Life, Physical, and Social Science 7 $0.00 9 $0.00
Community and Social Service 1 $0.00 12 $73,125.00
Legal 3 $0.00 17 $0.00
Educational and Library 3 $0.00 156 $38,333.00
Arts, Design, Entertainment, Sports, and Media 34 $87,639.00 14 $0.00
Healthcare Practitioners 52 $94,167.00 285 $96,375.00
Healthcare Support 7 $0.00 46 $36,667.00
Firefighters and Protective Service 18 $72,500.00 15 $0.00
Law Enforcement 18 $0.00 0 $0.00
Food Preparation and Serving 113 $8,036.00 177 $15,842.00
Building and Grounds Cleaning 29 $0.00 58 $0.00
Personal Care and Service 10 $0.00 20 $48,214.00
Sales 197 $37,837.00 267 $34,028.00
Office and Administrative Support 108 $78,372.00 265 $45,594.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 151 $66,467.00 2 $0.00
Installation, Maintenance, and Repair 113 $53,803.00 0 $0.00
Production 127 $54,940.00 45 $41,719.00
Transportation and Material Moving 218 $48,397.00 5 $0.00

Households and Family Size

A household is defined by the US Census Bureau as a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 2,442 households in 21904, with an average household size of 2.6 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 1,827 families living in the 21904 zip code with an average family size of 3.02 people.

Households by Marital Status

The four categories of household by marital status are:

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

The table below shows the total number of households and families, with the average sizes of each, that live in 21904:

Married Male Female Nonfamily
Total Households 1,312 151 364 615
Average Household Size 3.19 2.48 2.95 1.16
Total Families 1,312 151 364 0
Average Household Size 3.19 2.14 2.8 0

Poverty

Of the 1,827 families living in 21904, 6.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 21904:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 2,839 housing units in 21904.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 2,442 86.02%
Vacant 397 13.98%

9.26% of the total 2,839 housing units in 21904 are rental units. This is approximately 263 properties.

For owner-occupied housing units, a total of 2,163 are occupied by the owner - or 76.19% of the total.

Rental Rates

The median rent for a property in 21904 is $1,106.00.

In the chart below, we can look at the number of rental properties in 21904 that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    16
  • Less than $500
    8
  • $500 to $999
    82
  • $1,000 to $1,499
    123
  • $1,500 to $1,999
    39
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    11

Property Value

The median value of a property in 21904 is $260,900.00.

Just like with rental rates, we can look at the number of properties in 21904 that fall into a particular value range.

  • Less than $50,000
    207
  • $50,000 to $99,999
    57
  • $100,000 to $149,999
    127
  • $150,000 to $199,999
    191
  • $200,000 to $299,999
    741
  • $300,000 to $499,999
    594
  • $500,000 to $999,999
    207
  • $1,000,000 or more
    39

Property Age

We can also look at the age of properties in 21904. The chart below shows the number of properties in 21904 that fall into a particular age range.

  • 1939 or earlier
    398
  • 1940 to 1949
    47
  • 1950 to 1959
    126
  • 1960 to 1969
    191
  • 1970 to 1979
    295
  • 1980 to 1989
    595
  • 1990 to 1999
    543
  • 2000 to 2009
    539
  • 2010 to 2013
    105
  • 2014 or later
    0

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in 21904 that have a particular number of vehicles available.

  • No vehicles available
    113
  • 1 vehicle available
    587
  • 2 vehicles available
    788
  • 3 or more vehicles available
    954

Commuting to Work

In this section, we can also look at how people in 21904 get to work. The chart below shows the number of people in 21904 that commute to work in a particular way.

29.6 minutes is the average travel time to work for people in 21904.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    46
  • 5 to 9 minutes
    172
  • 10 to 14 minutes
    327
  • 15 to 19 minutes
    366
  • 20 to 24 minutes
    432
  • 25 to 29 minutes
    136
  • 30 to 34 minutes
    660
  • 35 to 39 minutes
    121
  • 40 to 44 minutes
    96
  • 45 to 59 minutes
    279
  • 60 to 89 minutes
    311
  • 90 or more minutes
    51

Summary

We've covered a LOT of demographic and population data for 21904 in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

States in 21904

If you want to see how the population and demographics of 21904 compare to other zip codes in Maryland, check out the list of all Maryland zip codes below: