21851 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 21851, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

21851 is a zip code in Somerset County and Worcester County, Maryland, which covers District 4, Dublin, District 1, Southern, District 2, Central, District 4, and Western, with a total population of 7,364 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 21851 zip code. The most basic data is the total population, which is the total number of people living in 21851.

The estimated population of people living in 21851 is 7,364, with a median age of 44.2.

We can look back at data from previous years to see how the population in the 21851 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
7,364
+1.75%
+4.26%
2020
7,237
+4.14%
-
2019
6,949
+1.16%
-
2018
6,869
 -2.75% -
2017
7,063
 - -

Population of 21851 by Race and Ethnicity

How much has the race and ethnicity of the population in the 21851 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
56.7%
60.5%
 -6.28%
Black/African American
34.4%
31.8%
 +8.18%
Native
0%
0.2%
 -100.00%
Hispanic
4.2%
3.9%
 +7.69%
Asian
1.1%
2.4%
 -54.17%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
3.5%
1.2%
 +191.67%
Other
0%
0%
 0.00%

This data can be very important for anybody studying the 21851 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 21851 by Age and Gender

We can also monitor the change of the age and gender in the 21851 zip code to track track trends in the population over time.

We can see how the population in 21851 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 44.2 -1.56% 39.5 -1.74% 48.4 -1.43%
2020 44.9 +3.7% 40.2 +2.03% 49.1 +8.39%
2019 43.3 -1.37% 39.4 -7.29% 45.3 +2.26%
2018 43.9 +5.28% 42.5 +2.66% 44.3 +5.98%
2017 41.7 - 41.4 - 41.8 -

The median age of the 21851 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 21851 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 9 297 +37.96% 551 -60.85% 406 284
10 to 19 441 +31.47% 538 -31.95% 582 379
20 to 29 314 +61.76% 514 +2.06% 521 518
30 to 39 443 -57.53% 330 +31.1% 234 441
40 to 49 286 +57.38% 474 -6.22% 468 418
50 to 59 417 +32.34% 488 +45.7% 513 715
60 to 69 440 -8.8% 634 -11.64% 363 554
70+ 403 -1.24% 493 +18.86% 383 585

Median Household Income

The latest median household income for the 21851 zip code is $47,656.00.

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 21851.

  • Under 25
    $0.00
  • 25 to 44
    $61,815.00
  • 45 to 64
    $57,188.00
  • 65 and over
    $40,205.00

Average Household Income

Whenever we ask what is the average household income in the 21851 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 21851, 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 21851 is currently $67,967.00.

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.

1.78% of households in 21851 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 21851 against other zip codes.

  • Less than $24,999
    23.55%
  • $25,000 to $49,999
    26.69%
  • $50,000 to $74,999
    15.03%
  • $75,000 to $99,999
    14.73%
  • $100,000 to $149,999
    11.79%
  • $150,000 to $199,999
    6.41%
  • $200,000 or more
    1.78%

Per Capita Income

The per capita income in 21851 is $29,025.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 21851 by the total population of 21851.

This is different from the average or mean income because it includes and accounts for all people living in the 21851 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 21851 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
    7.02%
  • Bachelor's degree
    18.77%
  • Some college or associate's degree
    18.60%
  • High school diploma or equivalent
    53.15%
  • Less than high school diploma
    2.45%

Employment

Employment rates are all based around the total population in 21851 that are over the age of 16.

Currently, the total population of the 21851 zip over the age of 16 is 6,097.

Of those people, a total of 64.50% 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 21851 is 58.50%.

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 21851 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 384 32.00% 13.00%
20 to 24 years 544 93.00% 29.10%
25 to 29 years 495 79.20% 3.30%
30 to 34 years 351 90.30% 3.80%
35 to 44 years 709 87.60% 3.10%
45 to 54 years 1,240 81.00% 14.50%
55 to 59 years 489 78.10% 0.00%
60 to 64 years 537 41.50% 0.00%
65 to 74 years 679 42.00% 4.90%
75 years and over 669 12.10% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 21851. 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 3,704 59.90% 7.30%
Black or African American 2,012 69.70% 14.70%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 83 72.30% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 82 100.00% 0.00%
Two or more races 216 79.60% 0.00%
Hispanic or Latino 221 92.80% 0.00%
Not Hispanic or Latino 3,588 59.00% 7.60%

Occupations

In this section we can look at the most common occupations for people living in the 21851 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 21851 is 3,568, with median earnings of $35,469.00.

Women in 21851 are earning approximately 87.50% of the men's earnings.

Population Earnings
Total 3,568 $35,469.00
Male 1,593 $38,074.00
Female 1,975 $33,307.00

Occupations by Category

In the table below, we can break down the population and earnings for 21851 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 323 $44,458.00
Business and Financial 113 $74,080.00
Computer and Mathematical 97 $62,031.00
Architecture and Engineering 22 $0.00
Life, Physical, and Social Science 33 $0.00
Community and Social Service 172 $39,826.00
Legal 7 $0.00
Educational and Library 301 $22,477.00
Arts, Design, Entertainment, Sports, and Media 16 $0.00
Healthcare Practitioners 141 $52,063.00
Healthcare Support 129 $24,205.00
Firefighters and Protective Service 60 $41,410.00
Law Enforcement 53 $71,705.00
Food Preparation and Serving 224 $15,167.00
Building and Grounds Cleaning 233 $23,750.00
Personal Care and Service 44 $47,609.00
Sales 423 $29,786.00
Office and Administrative Support 347 $35,976.00
Farming, Fishing, and Forestry 95 $19,653.00
Construction and Extraction 249 $31,938.00
Installation, Maintenance, and Repair 60 $47,083.00
Production 136 $34,875.00
Transportation and Material Moving 132 $17,371.00

Occupations by Gender

Now we can also look at the occupations by category for 21851 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 21851.

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 224 $56,875.00 99 $43,958.00
Business and Financial 0 $0.00 113 $74,080.00
Computer and Mathematical 43 $78,935.00 54 $43,125.00
Architecture and Engineering 22 $0.00 0 $0.00
Life, Physical, and Social Science 33 $0.00 0 $0.00
Community and Social Service 93 $38,677.00 79 $48,813.00
Legal 0 $0.00 7 $0.00
Educational and Library 25 $0.00 276 $21,898.00
Arts, Design, Entertainment, Sports, and Media 5 $0.00 11 $0.00
Healthcare Practitioners 15 $0.00 126 $68,026.00
Healthcare Support 0 $0.00 129 $24,205.00
Firefighters and Protective Service 52 $0.00 8 $0.00
Law Enforcement 34 $0.00 19 $0.00
Food Preparation and Serving 37 $0.00 187 $15,681.00
Building and Grounds Cleaning 135 $26,354.00 98 $8,659.00
Personal Care and Service 0 $0.00 44 $47,609.00
Sales 129 $21,484.00 294 $35,318.00
Office and Administrative Support 76 $19,773.00 271 $37,040.00
Farming, Fishing, and Forestry 76 $18,333.00 19 $0.00
Construction and Extraction 249 $31,938.00 0 $0.00
Installation, Maintenance, and Repair 60 $47,083.00 0 $0.00
Production 77 $110,545.00 59 $33,531.00
Transportation and Material Moving 108 $17,337.00 24 $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 3,027 households in 21851, with an average household size of 2.41 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 1,978 families living in the 21851 zip code with an average family size of 3.08 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 21851:

Married Male Female Nonfamily
Total Households 1,391 28 559 1,049
Average Household Size 3.14 4.14 2.96 1.09
Total Families 1,391 28 559 0
Average Household Size 3.14 3.54 2.92 0

Poverty

Of the 1,978 families living in 21851, 8.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 21851:

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 3,619 housing units in 21851.

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

Total Percentage
Occupied 3,027 83.64%
Vacant 592 16.36%

30.98% of the total 3,619 housing units in 21851 are rental units. This is approximately 1,121 properties.

For owner-occupied housing units, a total of 1,814 are occupied by the owner - or 50.12% of the total.

Rental Rates

The median rent for a property in 21851 is $778.00.

In the chart below, we can look at the number of rental properties in 21851 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
    92
  • Less than $500
    222
  • $500 to $999
    589
  • $1,000 to $1,499
    263
  • $1,500 to $1,999
    23
  • $2,000 to $2,499
    24
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in 21851 is $150,100.00.

Just like with rental rates, we can look at the number of properties in 21851 that fall into a particular value range.

  • Less than $50,000
    123
  • $50,000 to $99,999
    288
  • $100,000 to $149,999
    495
  • $150,000 to $199,999
    447
  • $200,000 to $299,999
    243
  • $300,000 to $499,999
    143
  • $500,000 to $999,999
    53
  • $1,000,000 or more
    22

Property Age

We can also look at the age of properties in 21851. The chart below shows the number of properties in 21851 that fall into a particular age range.

  • 1939 or earlier
    593
  • 1940 to 1949
    451
  • 1950 to 1959
    633
  • 1960 to 1969
    263
  • 1970 to 1979
    632
  • 1980 to 1989
    451
  • 1990 to 1999
    327
  • 2000 to 2009
    245
  • 2010 to 2013
    24
  • 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 21851 that have a particular number of vehicles available.

  • No vehicles available
    231
  • 1 vehicle available
    1,043
  • 2 vehicles available
    945
  • 3 or more vehicles available
    808

Commuting to Work

In this section, we can also look at how people in 21851 get to work. The chart below shows the number of people in 21851 that commute to work in a particular way.

23.3 minutes is the average travel time to work for people in 21851.

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
    285
  • 5 to 9 minutes
    492
  • 10 to 14 minutes
    324
  • 15 to 19 minutes
    339
  • 20 to 24 minutes
    525
  • 25 to 29 minutes
    71
  • 30 to 34 minutes
    366
  • 35 to 39 minutes
    138
  • 40 to 44 minutes
    71
  • 45 to 59 minutes
    481
  • 60 to 89 minutes
    104
  • 90 or more minutes
    41

Summary

We've covered a LOT of demographic and population data for 21851 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 21851

If you want to see how the population and demographics of 21851 compare to other zip codes in Maryland, check out the list of all Maryland zip codes below: