Nanjemoy, MD demographics:
population, income, and more

Total population
1,844
-8.5% year-over-year change
Median household income
$86,699/yr
2.9% year-over-year change
Housing units
819
-1.8% year-over-year change

Nanjemoy population

How many people live in Nanjemoy

Nanjemoy is home to 1,844 residents, according to the most recent Census data. Gender-wise, 45.7% of Nanjemoy locals are male, and 54.3% are female.

Total population
1,844
-8.5% year-over-year change
Gender ratio
Male
45.7%
843
Female
54.3%
1,001
Value Percent YoY change
Male 843 45.7% -11.6%
Female 1,001 54.3% -5.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Nanjemoy is 42, with the population distributed as follows: about 21.1% are children under 15, then 10.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.1% of the population, while another 30.2% fall into the 45 to 64 bracket. Finally, around 17.8% are 65 or older.

Median age
41.8
Age breakdown
Under 15
21.1%
15 to 24
10.8%
25 to 44
20.1%
45 to 64
30.2%
Over 65
17.8%
Value Percent YoY change
Under 15 389 21.1% -8.7%
15 to 24 199 10.8% 3.1%
25 to 44 371 20.1% -13.7%
45 to 64 557 30.2% -5.9%
Over 65 328 17.8% -12.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Nanjemoy, 99% of the population are US-born citizens, while 0.5% have gained naturalized citizenship. At the same time, 0.4% of residents are non-citizens. As for race, 63.8% of locals are Caucasian, 25.4% are African American and 0.2% have Asian roots. There’s also a share of 2.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99%
Non-U.S.-born citizens
0.5%
Non-citizens
0.4%
Value Percent YoY change
U.S.-born citizens 1,826 99% -7.9%
Non-U.S.-born citizens 10 0.5% -52.4%
Non-citizens 8 0.4% -27.3%
Racial breakdown
White
63.8%
Black or African American
25.4%
American Indian and Alaska Native
2.8%
Asian
0.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.8%
Other
5%
Value Percent
White 1,176 63.8%
Black or African American 469 25.4%
American Indian and Alaska Native 51 2.8%
Asian 4 0.2%
Two or more races 52 2.8%
Other 92 5%

Households in Nanjemoy

A peek inside Nanjemoy households

Nanjemoy has 768 households, with an average of 2 members in each. Of these, 61.8% are families, while the remaining 38.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
768
-1.4% year-over-year change
Average people per household
2
Non-family households
294
Family households
475
Value Percent YoY change
Non-family households 294 38.3% 25.6%
Family households 475 61.8% -13.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Nanjemoy

The housing landscape of Nanjemoy

Nanjemoy's housing consists of 819 units, with 97% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2% of the housing landscape.

Housing units
819
-1.8% year-over-year change
Housing types
Value Percent
1 unit, detached 795 97%
1 unit, attached 9 1.1%
Mobile home 16 2%
Homes built since 2020
% year-over-year change

The age of buildings in Nanjemoy

In Nanjemoy, the median construction year is 1982. About 13.3% of homes were built before the 1940s, with another 9% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 109 13.3% 14.7%
Built between 1940 and 1949 74 9% 72.1%
Built between 1950 and 1959 98 12% 6.5%
Built between 1960 and 1969 39 4.8% -36.1%
Built between 1970 and 1979 56 6.8% -50.0%
Built between 1980 and 1989 158 19.3% -11.2%
Built between 1990 and 1999 146 17.8% 31.5%
Built between 2000 and 2009 139 17% 7.8%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Nanjemoy occupancy rates

Out of the 768 occupied housing units in Nanjemoy, 88.4% are owner-occupied, while 11.6% are lived in by tenants. Meanwhile, 6.2% of all homes on the local market sit vacant.

Occupied housing units
768
-1.4% year-over-year change
Occupancy breakdown
Renter occupied
89
Owner occupied
679
Value Percent YoY
change
Renter occupied 89 11.6% 9.9%
Owner occupied 679 88.4% -2.9%
Unoccupied housing units
6.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Nanjemoy housing costs

Housing costs in Nanjemoy come to a median of $1,718 per month, while tenants specifically pay a median gross rent of $1,170.

Median housing costs per month
$1,718/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Nanjemoy
$1,170/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Nanjemoy

Nanjemoy education at a glance

About 47.8% of the population in Nanjemoy went to high school, while 24.4% pursued college studies. Another 7.2% earned an associate degree and 10.7% hold a bachelor’s. Meanwhile, 9.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 10 0.7% -72.2%
High school diploma 669 47.8% -12.7%
College diploma 341 24.4% -12.1%
Associate degree 100 7.2% 23.5%
Bachelor's degree 149 10.7% 4.9%
Graduate degree 129 9.2% 48.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Nanjemoy

How much people earn in Nanjemoy

The average annual household income in Nanjemoy was $104,183 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.1% change from the previous year. At the same time, the median income stood at $86,699, reflecting a +2.9% shift over the same period.

Average household income in Nanjemoy
$104,183/year
6.1% year-over-year change
Median household income in Nanjemoy
$86,699/year
2.9% year-over-year change

Nanjemoy income by age

In Nanjemoy, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $115,662. Those with someone between 45 and 64 in charge, often well established professionally, earn $85,481 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $176,691, while those led by someone over 65, many of whom may be retired, have about $75,455 in earnings. Overall, 85.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $176,691 N/A
25 - 44 $115,662 4.2%
45 - 64 $85,481 1.4%
Over 65 $75,455 6.8%
Above poverty level
1,581
Below poverty level
259
Value Percent YoY
change
Above poverty level 1,581 85.9% -9.6%
Below poverty level 259 14.1% -2.6%

Employment in Nanjemoy

Workforce and job types in Nanjemoy

67.6% of the working population are employed in professional or administrative positions, while 32.4% are in hands-on or service-based jobs. Also, 3.7% run their own businesses, 51.3% are employed by private companies, and 37.4% work in the public sector.

Workforce demographics

White collar
583
Blue collar
279
Value Percent YoY change
White collar 583 67.6% 4.9%
Blue collar 279 32.4% -6.7%
Employer type
Self employees
3.7%
Private companies
51.3%
Governmental workers
37.4%
Not for profit companies
7.7%
Value Percent YoY change
Self employees 32 3.7% 10.3%
Private companies 442 51.3% -10.9%
Governmental workers 322 37.4% 18.4%
Not for profit companies 66 7.7% 15.8%

Transportation in Nanjemoy

How people get around in Nanjemoy

Means of transportation
Value Percent YoY change
Car 737 100% 2.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Nanjemoy by zipcode?

Zipcode Population Number of households Median income Average income
20662 2,129 887 $86,699 $104,183

Explore more communities

FAQs about Nanjemoy demographics 

What is the total population of Nanjemoy?

Nanjemoy has a total population of 1,844 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -8.5% compared to a year ago.

What is the gender ratio in Nanjemoy?

The gender ratio in Nanjemoy is as follows:
  • 45.7% males (843 residents)
  • 54.3% females (1,001 residents)

What is the median age in Nanjemoy?

The median age in Nanjemoy is 41.8.

What is the age distribution of the population in Nanjemoy?

The age distribution in Nanjemoy is as follows:
  • Under 15: 21.1% (389 residents)
  • Ages 15-24: 10.8% (199 residents)
  • Ages 25-44: 20.1% (371 residents)
  • Ages 45-64: 30.2% (557 residents)
  • Over 65: 17.8% (328 residents)

What is the racial and ethnic makeup of Nanjemoy?

The racial and ethnic makeup of Nanjemoy is as follows:
  • White: 63.8% (1,176 residents)
  • Black or African American: 25.4% (469 residents)
  • American Indian and Alaska Native: 2.8% (51 residents)
  • Asian: 0.2% (4 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 2.8% (52 residents)
  • Other: 5% (92 residents)

What percentage of the population in Nanjemoy are U.S.-born citizens?

U.S.-born citizens represent 99% of the population in Nanjemoy.

How many housing units are there in Nanjemoy?

There are 819 housing units in Nanjemoy, reflecting a -1.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Nanjemoy and what is the average household size?

Nanjemoy has a total of 768 households, with an average of 2 people in each.

What is the median household income in Nanjemoy?

Nanjemoy has a median household income of $86,699, representing a +2.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Nanjemoy?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.6% (583 residents)
  • Blue-collar workers: 32.4% (279 residents)

Places of employment:
  • Self-employed: 3.7% (32 residents)
  • Private companies: 51.3% (442 residents)
  • Governmental workers: 37.4% (322 residents)
  • Not-for-profit companies: 7.7% (66 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025