20640 Zip Code Population and Demographics

In this article, we'll explore the population statistics for the zip code 20640, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

20640 is a zip code in Charles County, Maryland, which covers District 2, Hill Top, District 3, Nanjemoy, District 7, Pomonkey, District 10, and Marbury, with a total population of 10,853 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 20640 zip code. The most basic data is the total population, which is the total number of people living in 20640.

The estimated population of people living in 20640 is 10,853, with a median age of 37.2.

We can look back at data from previous years to see how the population in the 20640 area has changed over the last 5 years.

Year Population Change 5-Year Change
2021
10,853
 -2.34% +2.28%
2020
11,113
+7.55%
-
2019
10,333
+3.14%
-
2018
10,018
 -5.59% -
2017
10,611
 - -

Population of 20640 by Race and Ethnicity

How much has the race and ethnicity of the population in the 20640 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
36.5%
41.3%
 -11.62%
Black/African American
51.4%
44.2%
 +16.29%
Native
0.4%
0.7%
 -42.86%
Hispanic
4.3%
4.8%
 -10.42%
Asian
3.2%
3%
 +6.67%
Hawaiian/Pacific Islander
0.1%
0%
 0.00%
Two Or More Races
4%
6%
 -33.33%
Other
0.1%
0%
 0.00%

This data can be very important for anybody studying the 20640 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 20640 by Age and Gender

We can also monitor the change of the age and gender in the 20640 zip code to track track trends in the population over time.

We can see how the population in 20640 has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 37.2 +3.91% 36 +5.26% 38.7 +1.57%
2020 35.8 -2.45% 34.2 +1.48% 38.1 -4.75%
2019 36.7 +1.38% 33.7 +0.9% 40 +3.09%
2018 36.2 +4.32% 33.4 +8.79% 38.8 +0.26%
2017 34.7 - 30.7 - 38.7 -

The median age of the 20640 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 20640 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 9 662 -37.59% 667 3.16% 419 645
10 to 19 860 +16.69% 897 -3.45% 1,005 829
20 to 29 1,095 -31.04% 605 +15.88% 764 663
30 to 39 497 +49.55% 573 +27.6% 774 706
40 to 49 727 -10.87% 887 +2.95% 645 912
50 to 59 766 +31.72% 813 -23.81% 1,032 629
60 to 69 368 0.099999999999997% 481 +23.67% 359 599
70+ 317 -3.66% 396 +41.83% 292 580

Median Household Income

The latest median household income for the 20640 zip code is $80,375.00.

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 20640.

  • Under 25
    $36,591.00
  • 25 to 44
    $87,448.00
  • 45 to 64
    $107,128.00
  • 65 and over
    $60,207.00

Average Household Income

Whenever we ask what is the average household income in the 20640 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 20640, 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 20640 is currently $101,806.00.

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.

11.18% of households in 20640 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 20640 against other zip codes.

  • Less than $24,999
    11.38%
  • $25,000 to $49,999
    15.98%
  • $50,000 to $74,999
    21.15%
  • $75,000 to $99,999
    10.51%
  • $100,000 to $149,999
    21.25%
  • $150,000 to $199,999
    8.54%
  • $200,000 or more
    11.18%

Per Capita Income

The per capita income in 20640 is $39,512.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of 20640 by the total population of 20640.

This is different from the average or mean income because it includes and accounts for all people living in the 20640 area, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in 20640 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
    15.50%
  • Bachelor's degree
    23.85%
  • Some college or associate's degree
    10.82%
  • High school diploma or equivalent
    48.93%
  • Less than high school diploma
    0.90%

Employment

Employment rates are all based around the total population in 20640 that are over the age of 16.

Currently, the total population of the 20640 zip over the age of 16 is 8,762.

Of those people, a total of 65.40% 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 20640 is 59.00%.

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 20640 zip code.

Age Population Participation Unemployment Rate
16 to 19 years 807 14.60% 0.00%
20 to 24 years 891 80.70% 0.00%
25 to 29 years 536 93.10% 3.40%
30 to 34 years 829 93.70% 5.50%
35 to 44 years 1,203 82.40% 4.10%
45 to 54 years 2,007 83.10% 0.70%
55 to 59 years 659 73.00% 3.60%
60 to 64 years 548 51.50% 10.60%
65 to 74 years 708 25.10% 2.80%
75 years and over 574 3.00% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in 20640. 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 3,534 58.80% 2.80%
Black or African American 4,493 70.40% 2.20%
American Indian and Alaska Native 47 29.80% 0.00%
Asian 308 71.80% 16.80%
Native Hawaiian and Other Pacific Islander 9 100.00% 0.00%
Other 55 87.30% 0.00%
Two or more races 316 61.70% 0.00%
Hispanic or Latino 282 86.50% 0.00%
Not Hispanic or Latino 3,354 57.50% 3.00%

Occupations

In this section we can look at the most common occupations for people living in the 20640 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 20640 is 5,172, with median earnings of $49,700.00.

Women in 20640 are earning approximately 73.40% of the men's earnings.

Population Earnings
Total 5,172 $49,700.00
Male 2,508 $59,299.00
Female 2,664 $43,542.00

Occupations by Category

In the table below, we can break down the population and earnings for 20640 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 518 $63,365.00
Business and Financial 400 $89,778.00
Computer and Mathematical 305 $83,229.00
Architecture and Engineering 66 $55,417.00
Life, Physical, and Social Science 75 $79,792.00
Community and Social Service 19 $0.00
Legal 116 $54,286.00
Educational and Library 208 $46,912.00
Arts, Design, Entertainment, Sports, and Media 51 $48,854.00
Healthcare Practitioners 242 $65,893.00
Healthcare Support 86 $24,286.00
Firefighters and Protective Service 248 $37,361.00
Law Enforcement 111 $74,053.00
Food Preparation and Serving 150 $11,250.00
Building and Grounds Cleaning 308 $40,714.00
Personal Care and Service 133 $30,089.00
Sales 455 $24,479.00
Office and Administrative Support 681 $36,996.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 315 $61,991.00
Installation, Maintenance, and Repair 342 $9,167.00
Production 147 $64,511.00
Transportation and Material Moving 139 $51,220.00

Occupations by Gender

Now we can also look at the occupations by category for 20640 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 20640.

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 252 $63,606.00 266 $54,479.00
Business and Financial 114 $85,682.00 286 $93,500.00
Computer and Mathematical 194 $74,342.00 111 $106,750.00
Architecture and Engineering 50 $28,750.00 16 $0.00
Life, Physical, and Social Science 60 $113,261.00 15 $0.00
Community and Social Service 0 $0.00 19 $0.00
Legal 39 $27,438.00 77 $54,607.00
Educational and Library 44 $32,391.00 164 $47,059.00
Arts, Design, Entertainment, Sports, and Media 40 $47,708.00 11 $0.00
Healthcare Practitioners 26 $0.00 216 $65,952.00
Healthcare Support 0 $0.00 86 $24,286.00
Firefighters and Protective Service 164 $49,091.00 84 $35,882.00
Law Enforcement 90 $74,848.00 21 $0.00
Food Preparation and Serving 88 $21,731.00 62 $6,481.00
Building and Grounds Cleaning 197 $41,815.00 111 $31,179.00
Personal Care and Service 0 $0.00 133 $30,089.00
Sales 190 $35,625.00 265 $23,688.00
Office and Administrative Support 149 $21,578.00 532 $44,868.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 315 $61,991.00 0 $0.00
Installation, Maintenance, and Repair 186 $41,146.00 156 $0.00
Production 121 $64,076.00 26 $0.00
Transportation and Material Moving 139 $51,220.00 0 $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 4,042 households in 20640, with an average household size of 2.61 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 2,577 families living in the 20640 zip code with an average family size of 3.35 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 20640:

Married Male Female Nonfamily
Total Households 1,629 287 661 1,465
Average Household Size 3.53 3.9 2.99 1.16
Total Families 1,629 287 661 0
Average Household Size 3.52 3.58 2.83 0

Poverty

Of the 2,577 families living in 20640, 6.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in 20640:

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 4,323 housing units in 20640.

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

Total Percentage
Occupied 4,042 93.50%
Vacant 281 6.50%

20.63% of the total 4,323 housing units in 20640 are rental units. This is approximately 892 properties.

For owner-occupied housing units, a total of 3,012 are occupied by the owner - or 69.67% of the total.

Rental Rates

The median rent for a property in 20640 is $1,537.00.

In the chart below, we can look at the number of rental properties in 20640 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
    138
  • Less than $500
    139
  • $500 to $999
    169
  • $1,000 to $1,499
    120
  • $1,500 to $1,999
    241
  • $2,000 to $2,499
    110
  • $2,500 to $2,999
    40
  • $3,000 or more
    73

Property Value

The median value of a property in 20640 is $268,500.00.

Just like with rental rates, we can look at the number of properties in 20640 that fall into a particular value range.

  • Less than $50,000
    276
  • $50,000 to $99,999
    216
  • $100,000 to $149,999
    172
  • $150,000 to $199,999
    286
  • $200,000 to $299,999
    803
  • $300,000 to $499,999
    1,032
  • $500,000 to $999,999
    227
  • $1,000,000 or more
    0

Property Age

We can also look at the age of properties in 20640. The chart below shows the number of properties in 20640 that fall into a particular age range.

  • 1939 or earlier
    227
  • 1940 to 1949
    586
  • 1950 to 1959
    619
  • 1960 to 1969
    477
  • 1970 to 1979
    341
  • 1980 to 1989
    398
  • 1990 to 1999
    484
  • 2000 to 2009
    1,025
  • 2010 to 2013
    166
  • 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 20640 that have a particular number of vehicles available.

  • No vehicles available
    215
  • 1 vehicle available
    1,225
  • 2 vehicles available
    1,385
  • 3 or more vehicles available
    1,217

Commuting to Work

In this section, we can also look at how people in 20640 get to work. The chart below shows the number of people in 20640 that commute to work in a particular way.

48 minutes is the average travel time to work for people in 20640.

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
    132
  • 5 to 9 minutes
    251
  • 10 to 14 minutes
    225
  • 15 to 19 minutes
    346
  • 20 to 24 minutes
    337
  • 25 to 29 minutes
    371
  • 30 to 34 minutes
    334
  • 35 to 39 minutes
    145
  • 40 to 44 minutes
    195
  • 45 to 59 minutes
    714
  • 60 to 89 minutes
    1,180
  • 90 or more minutes
    587

Summary

We've covered a LOT of demographic and population data for 20640 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 20640

If you want to see how the population and demographics of 20640 compare to other zip codes in Maryland, check out the list of all Maryland zip codes below: