21704 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 21704, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

21704 is a zip code in Frederick County, Maryland, which covers District 1, Buckeystown, District 2, Frederick, District 7, Urbana, District 9, and New Market, with a total population of 17,372 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 21704 zip code. The most basic data is the total population, which is the total number of people living in 21704.

The estimated population of people living in 21704 is 17,372, with a median age of 37.1.

We can look back at data from previous years to see how the population in the 21704 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
17,372
+5.43%
+8.06%
2020
16,478
 -2.42% -
2019
16,887
+2.23%
-
2018
16,518
+2.75%
-
2017
16,076
 - -

Population of 21704 by Race and Ethnicity

How much has the race and ethnicity of the population in the 21704 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
58.1%
62.5%
 -7.04%
Black/African American
10.3%
8.9%
 +15.73%
Native
0.4%
0.4%
 0.00%
Hispanic
11.2%
11.2%
 0.00%
Asian
14.3%
13.2%
 +8.33%
Hawaiian/Pacific Islander
0.3%
0.2%
 +50.00%
Two Or More Races
5.2%
3.7%
 +40.54%
Other
0.2%
0%
 0.00%

This data can be very important for anybody studying the 21704 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 21704 by Age and Gender

We can also monitor the change of the age and gender in the 21704 zip code to track track trends in the population over time.

We can see how the population in 21704 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 37.1 -0.27% 37.1 -0.8% 37.1 +0.27%
2020 37.2 -1.85% 37.4 -1.84% 37 -1.6%
2019 37.9 +0.8% 38.1 +0.79% 37.6 +0.27%
2018 37.6 -0.27% 37.8 +2.16% 37.5 -2.09%
2017 37.7 - 37 - 38.3 -

The median age of the 21704 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 21704 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 1,113 +42.08% 1,347 -8.02% 1,654 1,235
10 to 19 1,487 +3.18% 1,295 +23.51% 1,522 1,613
20 to 29 843 -23.34% 553 +15.79% 656 614
30 to 39 1,002 +21.54% 1,175 -4.35% 1,215 1,106
40 to 49 1,492 +8.86% 1,650 +7.98% 1,592 1,773
50 to 59 1,030 +31.06% 1,022 -23.57% 1,380 792
60 to 69 537 +4.14% 435 +40.61% 546 618
70+ 422 +8.04% 673 -6.76% 439 617

Median Household Income

The latest median household income for the 21704 zip code is $152,330.00.

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 21704.

  • Under 25
    $0.00
  • 25 to 44
    $156,659.00
  • 45 to 64
    $177,663.00
  • 65 and over
    $90,114.00

Average Household Income

Whenever we ask what is the average household income in the 21704 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 21704, 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 21704 is currently $175,619.00.

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.

31.74% of households in 21704 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 21704 against other zip codes.

  • Less than $24,999
    5.13%
  • $25,000 to $49,999
    4.61%
  • $50,000 to $74,999
    9.24%
  • $75,000 to $99,999
    6.65%
  • $100,000 to $149,999
    22.47%
  • $150,000 to $199,999
    20.16%
  • $200,000 or more
    31.74%

Per Capita Income

The per capita income in 21704 is $55,437.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 21704 by the total population of 21704.

This is different from the average or mean income because it includes and accounts for all people living in the 21704 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 21704 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
    29.11%
  • Bachelor's degree
    41.74%
  • Some college or associate's degree
    6.00%
  • High school diploma or equivalent
    22.13%
  • Less than high school diploma
    1.03%

Employment

Employment rates are all based around the total population in 21704 that are over the age of 16.

Currently, the total population of the 21704 zip over the age of 16 is 12,313.

Of those people, a total of 73.00% 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 21704 is 70.70%.

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 21704 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 965 31.30% 7.90%
20 to 24 years 674 65.60% 6.60%
25 to 29 years 596 91.40% 10.00%
30 to 34 years 716 80.40% 0.00%
35 to 44 years 3,037 82.50% 1.60%
45 to 54 years 3,251 92.30% 1.50%
55 to 59 years 854 84.20% 1.80%
60 to 64 years 634 61.00% 0.00%
65 to 74 years 927 47.40% 0.00%
75 years and over 659 11.70% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 21704. 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 8,080 71.70% 2.20%
Black or African American 1,445 66.00% 3.60%
American Indian and Alaska Native 67 98.50% 0.00%
Asian 1,782 79.60% 3.00%
Native Hawaiian and Other Pacific Islander 48 43.80% 0.00%
Other 191 92.70% 0.00%
Two or more races 700 80.90% 0.00%
Hispanic or Latino 1,011 79.80% 0.00%
Not Hispanic or Latino 7,669 71.70% 2.30%

Occupations

In this section we can look at the most common occupations for people living in the 21704 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 21704 is 8,703, with median earnings of $79,881.00.

Women in 21704 are earning approximately 72.60% of the men's earnings.

Population Earnings
Total 8,703 $79,881.00
Male 4,689 $90,471.00
Female 4,014 $65,668.00

Occupations by Category

In the table below, we can break down the population and earnings for 21704 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 1,481 $123,023.00
Business and Financial 748 $117,500.00
Computer and Mathematical 841 $115,417.00
Architecture and Engineering 211 $146,250.00
Life, Physical, and Social Science 401 $122,270.00
Community and Social Service 173 $57,734.00
Legal 264 $108,125.00
Educational and Library 773 $68,456.00
Arts, Design, Entertainment, Sports, and Media 258 $51,042.00
Healthcare Practitioners 338 $74,438.00
Healthcare Support 153 $33,068.00
Firefighters and Protective Service 105 $60,903.00
Law Enforcement 226 $69,894.00
Food Preparation and Serving 161 $4,882.00
Building and Grounds Cleaning 104 $13,796.00
Personal Care and Service 231 $30,379.00
Sales 586 $67,308.00
Office and Administrative Support 673 $53,080.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 345 $71,875.00
Installation, Maintenance, and Repair 154 $72,543.00
Production 187 $65,288.00
Transportation and Material Moving 206 $45,227.00

Occupations by Gender

Now we can also look at the occupations by category for 21704 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 21704.

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 833 $150,579.00 648 $113,344.00
Business and Financial 492 $140,800.00 256 $81,574.00
Computer and Mathematical 550 $134,583.00 291 $108,692.00
Architecture and Engineering 193 $150,329.00 18 $53,214.00
Life, Physical, and Social Science 236 $122,885.00 165 $122,138.00
Community and Social Service 53 $33,207.00 120 $65,417.00
Legal 84 $103,026.00 180 $146,827.00
Educational and Library 208 $66,250.00 565 $68,456.00
Arts, Design, Entertainment, Sports, and Media 148 $93,654.00 110 $41,630.00
Healthcare Practitioners 102 $153,594.00 236 $67,300.00
Healthcare Support 48 $0.00 105 $33,977.00
Firefighters and Protective Service 70 $48,636.00 35 $0.00
Law Enforcement 206 $69,682.00 20 $0.00
Food Preparation and Serving 48 $68,065.00 113 $3,750.00
Building and Grounds Cleaning 71 $13,594.00 33 $13,882.00
Personal Care and Service 15 $0.00 216 $30,313.00
Sales 316 $72,917.00 270 $54,833.00
Office and Administrative Support 126 $56,250.00 547 $44,256.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 345 $71,875.00 0 $0.00
Installation, Maintenance, and Repair 147 $66,250.00 7 $0.00
Production 155 $56,641.00 32 $66,346.00
Transportation and Material Moving 166 $48,026.00 40 $41,000.00

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 5,381 households in 21704, with an average household size of 3.16 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 4,477 families living in the 21704 zip code with an average family size of 3.47 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 21704:

Married Male Female Nonfamily
Total Households 3,802 318 357 904
Average Household Size 3.58 2.91 3.63 1.29
Total Families 3,802 318 357 0
Average Household Size 3.53 2.71 3.43 0

Poverty

Of the 4,477 families living in 21704, 1.50% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 21704:

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 5,487 housing units in 21704.

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

Total Percentage
Occupied 5,381 98.07%
Vacant 106 1.93%

18.48% of the total 5,487 housing units in 21704 are rental units. This is approximately 1,014 properties.

For owner-occupied housing units, a total of 4,342 are occupied by the owner - or 79.13% of the total.

Rental Rates

The median rent for a property in 21704 is $2,117.00.

In the chart below, we can look at the number of rental properties in 21704 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
    25
  • Less than $500
    0
  • $500 to $999
    30
  • $1,000 to $1,499
    98
  • $1,500 to $1,999
    306
  • $2,000 to $2,499
    313
  • $2,500 to $2,999
    245
  • $3,000 or more
    22

Property Value

The median value of a property in 21704 is $513,500.00.

Just like with rental rates, we can look at the number of properties in 21704 that fall into a particular value range.

  • Less than $50,000
    33
  • $50,000 to $99,999
    0
  • $100,000 to $149,999
    11
  • $150,000 to $199,999
    93
  • $200,000 to $299,999
    214
  • $300,000 to $499,999
    1,706
  • $500,000 to $999,999
    2,222
  • $1,000,000 or more
    63

Property Age

We can also look at the age of properties in 21704. The chart below shows the number of properties in 21704 that fall into a particular age range.

  • 1939 or earlier
    163
  • 1940 to 1949
    96
  • 1950 to 1959
    139
  • 1960 to 1969
    194
  • 1970 to 1979
    250
  • 1980 to 1989
    273
  • 1990 to 1999
    404
  • 2000 to 2009
    2,447
  • 2010 to 2013
    1,466
  • 2014 or later
    55

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 21704 that have a particular number of vehicles available.

  • No vehicles available
    240
  • 1 vehicle available
    1,015
  • 2 vehicles available
    2,502
  • 3 or more vehicles available
    1,624

Commuting to Work

In this section, we can also look at how people in 21704 get to work. The chart below shows the number of people in 21704 that commute to work in a particular way.

39 minutes is the average travel time to work for people in 21704.

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
    91
  • 5 to 9 minutes
    347
  • 10 to 14 minutes
    440
  • 15 to 19 minutes
    917
  • 20 to 24 minutes
    669
  • 25 to 29 minutes
    419
  • 30 to 34 minutes
    697
  • 35 to 39 minutes
    190
  • 40 to 44 minutes
    416
  • 45 to 59 minutes
    1,370
  • 60 to 89 minutes
    1,030
  • 90 or more minutes
    596

Summary

We've covered a LOT of demographic and population data for 21704 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 21704

If you want to see how the population and demographics of 21704 compare to other zip codes in Maryland, check out the list of all Maryland zip codes below: