Jefferson, MD demographics:
population, income, and more

Total population
3,314
14.6% year-over-year change
Median household income
$150,854/yr
3.6% year-over-year change
Housing units
1,156
12.0% year-over-year change

Jefferson population

How many people live in Jefferson

Jefferson is home to 3,314 residents, according to the most recent Census data. Gender-wise, 50.1% of Jefferson locals are male, and 49.9% are female.

Total population
3,314
14.6% year-over-year change
Gender ratio
Male
50.1%
1,660
Female
49.9%
1,654
Value Percent YoY change
Male 1,660 50.1% 15.8%
Female 1,654 49.9% 13.4%
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 Jefferson is 39, with the population distributed as follows: about 16.2% are children under 15, then 16.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 24% of the population, while another 30.4% fall into the 45 to 64 bracket. Finally, around 12.9% are 65 or older.

Median age
39.4
Age breakdown
Under 15
16.2%
15 to 24
16.6%
25 to 44
24%
45 to 64
30.4%
Over 65
12.9%
Value Percent YoY change
Under 15 536 16.2% 0.6%
15 to 24 550 16.6% 44.4%
25 to 44 794 24% 20.3%
45 to 64 1,006 30.4% 6.9%
Over 65 428 12.9% 13.8%
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 Jefferson, 94.2% of the population are US-born citizens, while 5.6% have gained naturalized citizenship. At the same time, 0.2% of residents are non-citizens. As for race, 85.7% of locals are Caucasian, 6.7% are African American and 1.2% have Asian roots. There’s also a share of 4.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.2%
Non-U.S.-born citizens
5.6%
Non-citizens
0.2%
Value Percent YoY change
U.S.-born citizens 3,121 94.2% 19.1%
Non-U.S.-born citizens 185 5.6% -27.4%
Non-citizens 8 0.2% -46.7%
Racial breakdown
White
85.7%
Black or African American
6.7%
American Indian and Alaska Native
0%
Asian
1.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.4%
Other
2%
Value Percent
White 2,839 85.7%
Black or African American 222 6.7%
Asian 39 1.2%
Two or more races 147 4.4%
Other 67 2%

Households in Jefferson

A peek inside Jefferson households

Jefferson has 1,146 households, with an average of 3 members in each. Of these, 79.5% are families, while the remaining 20.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,146
12.2% year-over-year change
Average people per household
3
Non-family households
235
Family households
911
Value Percent YoY change
Non-family households 235 20.5% -7.8%
Family households 911 79.5% 18.9%
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 Jefferson

The housing landscape of Jefferson

Jefferson's housing consists of 1,156 units, with 84% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.3% and offer a more compact, shared living style.

Housing units
1,156
12.0% year-over-year change
Housing types
Value Percent
1 unit, detached 971 84%
1 unit, attached 96 8.3%
3 or 4 units 15 1.3%
5 to 9 units 16 1.4%
10 to 19 units 45 3.9%
20 to 49 units 13 1.1%
Homes built since 2020
52
173.7% year-over-year change

The age of buildings in Jefferson

In Jefferson, the median construction year is 1993. About 5.7% of homes were built before the 1940s, with another 0.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 1.5% of homes were added from 2000 to 2009, 5.2% between 2010 and 2019, and 4.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 66 5.7% 34.7%
Built between 1940 and 1949 5 0.4% 0.0%
Built between 1950 and 1959 83 7.2% 3.8%
Built between 1960 and 1969 32 2.8% 45.5%
Built between 1970 and 1979 90 7.8% 7.1%
Built between 1980 and 1989 115 10% -14.8%
Built between 1990 and 1999 636 55% 12.0%
Built between 2000 and 2009 17 1.5% N/A
Built between 2010 and 2019 60 5.2% -14.3%
Built in 2020 or later 52 4.5% 173.7%
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.

Jefferson occupancy rates

Out of the 1,146 occupied housing units in Jefferson, 86.2% are owner-occupied, while 13.8% are lived in by tenants. Meanwhile, 0.9% of all homes on the local market sit vacant.

Occupied housing units
1,146
12.2% year-over-year change
Occupancy breakdown
Renter occupied
158
Owner occupied
988
Value Percent YoY
change
Renter occupied 158 13.8% -18.6%
Owner occupied 988 86.2% 19.5%
Unoccupied housing units
0.9%
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.

Jefferson housing costs

Housing costs in Jefferson come to a median of $2,153 per month, while tenants specifically pay a median gross rent of $1,379.

Median housing costs per month
$2,153/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 Jefferson
$1,379/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 Jefferson

Jefferson education at a glance

About 22.3% of the population in Jefferson went to high school, while 20.3% pursued college studies. Another 13.2% earned an associate degree and 23.9% hold a bachelor’s. Meanwhile, 20.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 8 0.3% -46.7%
High school diploma 580 22.3% -16.6%
College diploma 527 20.3% 5.0%
Associate degree 342 13.2% 44.9%
Bachelor's degree 620 23.9% 31.4%
Graduate degree 522 20.1% 63.6%
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 Jefferson

How much people earn in Jefferson

The average annual household income in Jefferson was $196,697 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +11.7% change from the previous year. At the same time, the median income stood at $150,854, reflecting a +3.6% shift over the same period.

Average household income in Jefferson
$196,697/year
11.7% year-over-year change
Median household income in Jefferson
$150,854/year
3.6% year-over-year change

Jefferson income by age

In Jefferson, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $148,846. Those with someone between 45 and 64 in charge, often well established professionally, earn $169,773 overall. Overall, 98% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $148,846 53.4%
45 - 64 $169,773 -3.3%
Over 65 $81,667 -11.4%
Above poverty level
3,242
Below poverty level
65
Value Percent YoY
change
Above poverty level 3,242 98% 17.1%
Below poverty level 65 2% -39.2%

Average renter income in Jefferson

To get a better sense of what renters earn on average in Jefferson, their median household income was $66,111 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 25%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$66,111
Rent-to-income ratio
25%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Jefferson

Workforce and job types in Jefferson

The job market in Jefferson is powered by 1,972 working residents, spread across a range of industries and roles. 87.1% of the working population are employed in professional or administrative positions, while 12.9% are in hands-on or service-based jobs. Also, 6.8% run their own businesses, 65.5% are employed by private companies, and 20.3% work in the public sector.

Workforce demographics

Working population
1,972
16.8% year-over-year change
White collar
1,717
Blue collar
255
Value Percent YoY change
White collar 1,717 87.1% 23.6%
Blue collar 255 12.9% -15.0%
Employer type
Self employees
6.8%
Private companies
65.5%
Governmental workers
20.3%
Not for profit companies
7.4%
Value Percent YoY change
Self employees 135 6.8% 20.5%
Private companies 1,292 65.5% 35.6%
Governmental workers 400 20.3% 0.2%
Not for profit companies 145 7.4% -35.6%
Unemployment rate
2.5%
21.9% year-over-year change

Available workforce

The unemployment rate in Jefferson stands at 2.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Jefferson

How people get around in Jefferson

Commuting methods vary: 71.2% of residents travel by personal vehicle and 0.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 1,394 71.2% 15.3%
Railroad 15 0.8% -46.4%
Walk 6 0.3% -80.7%
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 Jefferson by zipcode?

Zipcode Population Number of households Median income Average income
21755 5,909 2,136 $137,417 $168,724

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FAQs about Jefferson demographics 

What is the total population of Jefferson?

Jefferson has a total population of 3,314 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 +14.6% compared to a year ago.

What is the gender ratio in Jefferson?

The gender ratio in Jefferson is as follows:
  • 50.1% males (1,660 residents)
  • 49.9% females (1,654 residents)

What is the median age in Jefferson?

The median age in Jefferson is 39.4.

What is the age distribution of the population in Jefferson?

The age distribution in Jefferson is as follows:
  • Under 15: 16.2% (536 residents)
  • Ages 15-24: 16.6% (550 residents)
  • Ages 25-44: 24% (794 residents)
  • Ages 45-64: 30.4% (1,006 residents)
  • Over 65: 12.9% (428 residents)

What is the racial and ethnic makeup of Jefferson?

The racial and ethnic makeup of Jefferson is as follows:
  • White: 85.7% (2,839 residents)
  • Black or African American: 6.7% (222 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.2% (39 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.4% (147 residents)
  • Other: 2% (67 residents)

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

U.S.-born citizens represent 94.2% of the population in Jefferson.

How many housing units are there in Jefferson?

There are 1,156 housing units in Jefferson, reflecting a +12.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Jefferson has a total of 1,146 households, with an average of 3 people in each.

What is the median household income in Jefferson?

Jefferson has a median household income of $150,854, representing a +3.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Jefferson?

The employment rate is 97.5% in Jefferson, with a workforce of 1,972 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.1% (1,717 residents)
  • Blue-collar workers: 12.9% (255 residents)

Places of employment:
  • Self-employed: 6.8% (135 residents)
  • Private companies: 65.5% (1,292 residents)
  • Governmental workers: 20.3% (400 residents)
  • Not-for-profit companies: 7.4% (145 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