21770 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 21770, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

21770 is a zip code in Frederick County, Maryland, which covers District 9 and New Market, with a total population of 7,291 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 21770 zip code. The most basic data is the total population, which is the total number of people living in 21770.

The estimated population of people living in 21770 is 7,291, with a median age of 41.6.

We can look back at data from previous years to see how the population in the 21770 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
7,291
+18.65%
+45.21%
2020
6,145
+11.46%
-
2019
5,513
+1.1%
-
2018
5,453
+8.6%
-
2017
5,021
 - -

Population of 21770 by Race and Ethnicity

How much has the race and ethnicity of the population in the 21770 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
76.7%
88.7%
 -13.53%
Black/African American
7.5%
0.3%
 +2,400.00%
Native
0%
0%
 0.00%
Hispanic
5.3%
6.2%
 -14.52%
Asian
6.9%
2.5%
 +176.00%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
3.4%
1.9%
 +78.95%
Other
0.2%
0.3%
 -33.33%

This data can be very important for anybody studying the 21770 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 21770 by Age and Gender

We can also monitor the change of the age and gender in the 21770 zip code to track track trends in the population over time.

We can see how the population in 21770 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 41.6 -1.89% 41.7 -1.18% 40.8 -4.23%
2020 42.4 -4.29% 42.2 -3.21% 42.6 -7.79%
2019 44.3 -0.67% 43.6 -6.24% 46.2 +8.71%
2018 44.6 -4.7% 46.5 -2.72% 42.5 -8.01%
2017 46.8 - 47.8 - 46.2 -

The median age of the 21770 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 21770 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 9 284 +22.42% 168 +134.24% 344 497
10 to 19 288 +63.28% 461 15.46% 490 438
20 to 29 270 +44.09% 218 +44.58% 405 329
30 to 39 193 +77.06% 191 +117.45% 384 514
40 to 49 311 +95.71% 332 +19.93% 695 377
50 to 59 558 -13.57% 534 -3.12% 476 508
60 to 69 363 +37.12% 417 +60.49% 514 707
70+ 274 +41.8% 159 +41.21% 383 230

Median Household Income

The latest median household income for the 21770 zip code is $159,091.00.

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 21770.

  • Under 25
    $0.00
  • 25 to 44
    $150,893.00
  • 45 to 64
    $178,088.00
  • 65 and over
    $146,838.00

Average Household Income

Whenever we ask what is the average household income in the 21770 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 21770, 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 21770 is currently $183,182.00.

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.

29.55% of households in 21770 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 21770 against other zip codes.

  • Less than $24,999
    1.13%
  • $25,000 to $49,999
    3.06%
  • $50,000 to $74,999
    8.02%
  • $75,000 to $99,999
    5.54%
  • $100,000 to $149,999
    24.64%
  • $150,000 to $199,999
    28.06%
  • $200,000 or more
    29.55%

Per Capita Income

The per capita income in 21770 is $56,048.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 21770 by the total population of 21770.

This is different from the average or mean income because it includes and accounts for all people living in the 21770 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 21770 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
    20.73%
  • Bachelor's degree
    45.14%
  • Some college or associate's degree
    11.16%
  • High school diploma or equivalent
    21.27%
  • Less than high school diploma
    1.71%

Employment

Employment rates are all based around the total population in 21770 that are over the age of 16.

Currently, the total population of the 21770 zip over the age of 16 is 5,976.

Of those people, a total of 65.50% 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 21770 is 62.50%.

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 21770 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 454 32.80% 19.50%
20 to 24 years 471 66.50% 7.70%
25 to 29 years 263 97.00% 0.00%
30 to 34 years 297 85.20% 0.00%
35 to 44 years 1,287 82.40% 0.00%
45 to 54 years 886 82.10% 3.90%
55 to 59 years 484 86.80% 9.30%
60 to 64 years 475 77.90% 3.50%
65 to 74 years 1,100 30.30% 0.00%
75 years and over 259 12.40% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 21770. 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 4,769 62.80% 3.30%
Black or African American 507 91.10% 3.60%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 411 58.60% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 76 61.80% 0.00%
Two or more races 213 79.30% 10.70%
Hispanic or Latino 261 76.20% 0.00%
Not Hispanic or Latino 4,656 62.40% 3.40%

Occupations

In this section we can look at the most common occupations for people living in the 21770 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 21770 is 3,733, with median earnings of $69,447.00.

Women in 21770 are earning approximately 102.10% of the men's earnings.

Population Earnings
Total 3,733 $69,447.00
Male 2,026 $68,525.00
Female 1,707 $69,945.00

Occupations by Category

In the table below, we can break down the population and earnings for 21770 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 750 $100,382.00
Business and Financial 205 $79,620.00
Computer and Mathematical 221 $103,750.00
Architecture and Engineering 224 $108,421.00
Life, Physical, and Social Science 69 $107,292.00
Community and Social Service 10 $0.00
Legal 64 $49,242.00
Educational and Library 318 $78,632.00
Arts, Design, Entertainment, Sports, and Media 44 $52,000.00
Healthcare Practitioners 197 $131,250.00
Healthcare Support 27 $0.00
Firefighters and Protective Service 88 $30,417.00
Law Enforcement 42 $78,690.00
Food Preparation and Serving 132 $16,848.00
Building and Grounds Cleaning 68 $38,365.00
Personal Care and Service 92 $17,625.00
Sales 316 $26,818.00
Office and Administrative Support 423 $51,372.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 151 $57,188.00
Installation, Maintenance, and Repair 134 $54,268.00
Production 44 $19,722.00
Transportation and Material Moving 93 $19,013.00

Occupations by Gender

Now we can also look at the occupations by category for 21770 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 21770.

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 315 $100,768.00 435 $69,989.00
Business and Financial 54 $181,458.00 151 $79,076.00
Computer and Mathematical 140 $126,667.00 81 $94,458.00
Architecture and Engineering 189 $101,118.00 35 $0.00
Life, Physical, and Social Science 43 $113,264.00 26 $96,250.00
Community and Social Service 0 $0.00 10 $0.00
Legal 33 $0.00 31 $0.00
Educational and Library 138 $78,113.00 180 $91,100.00
Arts, Design, Entertainment, Sports, and Media 20 $0.00 24 $21,500.00
Healthcare Practitioners 114 $154,052.00 83 $80,486.00
Healthcare Support 19 $0.00 8 $0.00
Firefighters and Protective Service 88 $30,417.00 0 $0.00
Law Enforcement 31 $79,345.00 11 $0.00
Food Preparation and Serving 122 $17,014.00 10 $0.00
Building and Grounds Cleaning 68 $38,365.00 0 $0.00
Personal Care and Service 10 $0.00 82 $16,500.00
Sales 146 $43,611.00 170 $26,045.00
Office and Administrative Support 103 $19,136.00 320 $53,889.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 151 $57,188.00 0 $0.00
Installation, Maintenance, and Repair 134 $54,268.00 0 $0.00
Production 30 $34,167.00 14 $0.00
Transportation and Material Moving 57 $34,250.00 36 $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 2,220 households in 21770, with an average household size of 3.28 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 1,953 families living in the 21770 zip code with an average family size of 3.49 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 21770:

Married Male Female Nonfamily
Total Households 1,794 68 91 267
Average Household Size 3.58 2.75 3.33 1.39
Total Families 1,794 68 91 0
Average Household Size 3.55 2.75 2.98 0

Poverty

Of the 1,953 families living in 21770, 0.00% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 21770:

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 2,278 housing units in 21770.

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

Total Percentage
Occupied 2,220 97.45%
Vacant 58 2.55%

1.76% of the total 2,278 housing units in 21770 are rental units. This is approximately 40 properties.

For owner-occupied housing units, a total of 2,163 are occupied by the owner - or 94.95% of the total.

Rental Rates

The median rent for a property in 21770 is $2,065.00.

In the chart below, we can look at the number of rental properties in 21770 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
    17
  • Less than $500
    0
  • $500 to $999
    0
  • $1,000 to $1,499
    17
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    23
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in 21770 is $498,100.00.

Just like with rental rates, we can look at the number of properties in 21770 that fall into a particular value range.

  • Less than $50,000
    5
  • $50,000 to $99,999
    14
  • $100,000 to $149,999
    0
  • $150,000 to $199,999
    0
  • $200,000 to $299,999
    170
  • $300,000 to $499,999
    902
  • $500,000 to $999,999
    1,050
  • $1,000,000 or more
    22

Property Age

We can also look at the age of properties in 21770. The chart below shows the number of properties in 21770 that fall into a particular age range.

  • 1939 or earlier
    68
  • 1940 to 1949
    0
  • 1950 to 1959
    15
  • 1960 to 1969
    74
  • 1970 to 1979
    691
  • 1980 to 1989
    454
  • 1990 to 1999
    240
  • 2000 to 2009
    124
  • 2010 to 2013
    566
  • 2014 or later
    46

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 21770 that have a particular number of vehicles available.

  • No vehicles available
    26
  • 1 vehicle available
    154
  • 2 vehicles available
    1,019
  • 3 or more vehicles available
    1,021

Commuting to Work

In this section, we can also look at how people in 21770 get to work. The chart below shows the number of people in 21770 that commute to work in a particular way.

35.7 minutes is the average travel time to work for people in 21770.

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
    34
  • 5 to 9 minutes
    195
  • 10 to 14 minutes
    196
  • 15 to 19 minutes
    149
  • 20 to 24 minutes
    397
  • 25 to 29 minutes
    340
  • 30 to 34 minutes
    292
  • 35 to 39 minutes
    57
  • 40 to 44 minutes
    165
  • 45 to 59 minutes
    368
  • 60 to 89 minutes
    686
  • 90 or more minutes
    47

Summary

We've covered a LOT of demographic and population data for 21770 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 21770

If you want to see how the population and demographics of 21770 compare to other zip codes in Maryland, check out the list of all Maryland zip codes below: