Jefferson, MO demographics:
population, income, and more

Total population
69,933
-0.3% year-over-year change
Median household income
$74,750/yr
2.1% year-over-year change
Housing units
30,424
0.7% year-over-year change

Jefferson population

How many people live in Jefferson

Jefferson is home to 69,933 residents, according to the most recent Census data. Gender-wise, 50.2% of Jefferson locals are male, and 49.8% are female.

Total population
69,933
-0.3% year-over-year change
Gender ratio
Male
50.2%
35,119
Female
49.8%
34,814
Value Percent YoY change
Male 35,119 50.2% -0.9%
Female 34,814 49.8% 0.2%
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 17.4% are children under 15, then 13.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 27% of the population, while another 24.7% fall into the 45 to 64 bracket. Finally, around 17.5% are 65 or older.

Median age
39
Age breakdown
Under 15
17.4%
15 to 24
13.4%
25 to 44
27%
45 to 64
24.7%
Over 65
17.5%
Value Percent YoY change
Under 15 12,171 17.4% -2.5%
15 to 24 9,376 13.4% 3.1%
25 to 44 18,888 27% -1.1%
45 to 64 17,284 24.7% -1.3%
Over 65 12,213 17.5% 2.0%
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, 96.3% of the population are US-born citizens, while 2.2% have gained naturalized citizenship. At the same time, 1.5% of residents are non-citizens. As for race, 78.9% of locals are Caucasian, 10.8% are African American and 1.5% have Asian roots. There’s also a share of 6.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.3%
Non-U.S.-born citizens
2.2%
Non-citizens
1.5%
Value Percent YoY change
U.S.-born citizens 67,366 96.3% -0.3%
Non-U.S.-born citizens 1,519 2.2% 10.2%
Non-citizens 1,048 1.5% -11.1%
Racial breakdown
White
78.9%
Black or African American
10.8%
American Indian and Alaska Native
0.3%
Asian
1.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.8%
Other
1.6%
Value Percent
White 55,173 78.9%
Black or African American 7,554 10.8%
American Indian and Alaska Native 231 0.3%
Asian 1,070 1.5%
Native Hawaiian and other Pacific Islander 5 0%
Two or more races 4,772 6.8%
Other 1,128 1.6%

Households in Jefferson

A peek inside Jefferson households

Jefferson has 28,192 households, with an average of 2 members in each. Of these, 60% are families, while the remaining 40% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
28,192
1.2% year-over-year change
Average people per household
2
Non-family households
11,263
Family households
16,929
Value Percent YoY change
Non-family households 11,263 40% 2.5%
Family households 16,929 60% 0.3%
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 30,424 units, with 67.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.2% 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 1.9% of the housing landscape.

Housing units
30,424
0.7% year-over-year change
Housing types
Value Percent
1 unit, detached 20,478 67.3%
1 unit, attached 975 3.2%
2 units 1,804 5.9%
3 or 4 units 3,037 10%
5 to 9 units 1,161 3.8%
10 to 19 units 1,165 3.8%
20 to 49 units 493 1.6%
50 or more units 723 2.4%
Mobile home 577 1.9%
Boat, RV, van, etc. 11 0%
Homes built since 2020
311
41.4% year-over-year change

The age of buildings in Jefferson

In Jefferson, the median construction year is 1982. About 8.3% of homes were built before the 1940s, with another 2.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 14.1% of homes were added from 2000 to 2009, 7.7% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,528 8.3% 1.0%
Built between 1940 and 1949 786 2.6% -2.8%
Built between 1950 and 1959 2,461 8.1% 0.3%
Built between 1960 and 1969 3,340 11% -3.6%
Built between 1970 and 1979 5,049 16.6% 0.4%
Built between 1980 and 1989 4,629 15.2% 0.4%
Built between 1990 and 1999 4,681 15.4% -0.9%
Built between 2000 and 2009 4,303 14.1% 4.0%
Built between 2010 and 2019 2,338 7.7% 2.7%
Built in 2020 or later 311 1% 41.4%
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 28,192 occupied housing units in Jefferson, 66% are owner-occupied, while 34% are lived in by tenants. Meanwhile, 7.3% of all homes on the local market sit vacant.

Occupied housing units
28,192
1.2% year-over-year change
Occupancy breakdown
Renter occupied
9,590
Owner occupied
18,602
Value Percent YoY
change
Renter occupied 9,590 34% -1.0%
Owner occupied 18,602 66% 2.3%
Unoccupied housing units
7.3%
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 $895 per month, while tenants specifically pay a median gross rent of $826.

Median housing costs per month
$895/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
$826/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 34.6% of the population in Jefferson went to high school, while 19.2% pursued college studies. Another 7.9% earned an associate degree and 23.8% hold a bachelor’s. Meanwhile, 13% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 834 1.5% -6.0%
High school diploma 18,964 34.6% -0.8%
College diploma 10,503 19.2% -4.7%
Associate degree 4,350 7.9% 7.2%
Bachelor's degree 13,034 23.8% 2.8%
Graduate degree 7,144 13% 1.2%
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 $93,331 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.8% change from the previous year. At the same time, the median income stood at $74,750, reflecting a +2.1% shift over the same period.

Average household income in Jefferson
$93,331/year
3.9% year-over-year change
Median household income in Jefferson
$74,750/year
2.1% 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 $81,370. Those with someone between 45 and 64 in charge, often well established professionally, earn $82,732 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $61,410, while those led by someone over 65, many of whom may be retired, have about $62,139 in earnings. Overall, 90.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $61,410 -8.5%
25 - 44 $81,370 1.9%
45 - 64 $82,732 2.7%
Over 65 $62,139 4.2%
Above poverty level
58,915
Below poverty level
6,139
Value Percent YoY
change
Above poverty level 58,915 90.6% 0.4%
Below poverty level 6,139 9.4% -2.1%

Employment in Jefferson

Workforce and job types in Jefferson

81% of the working population are employed in professional or administrative positions, while 19% are in hands-on or service-based jobs. Also, 7.2% run their own businesses, 56.3% are employed by private companies, and 28% work in the public sector.

Workforce demographics

White collar
28,267
Blue collar
6,614
Value Percent YoY change
White collar 28,267 81% 0.7%
Blue collar 6,614 19% 4.1%
Employer type
Self employees
7.2%
Private companies
56.3%
Governmental workers
28%
Not for profit companies
8.5%
Value Percent YoY change
Self employees 2,507 7.2% -3.8%
Private companies 19,652 56.3% -1.0%
Governmental workers 9,770 28% 10.0%
Not for profit companies 2,953 8.5% -3.8%

Transportation in Jefferson

How people get around in Jefferson

In Jefferson, the average commute time is 35 minutes. Commuting methods vary: 97.3% of residents travel by personal vehicle and 1.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
35 min
-2.8% year-over-year change
Means of transportation
Value Percent YoY change
Car 30,172 97.3% -1.6%
Taxicab 118 0.4% -21.9%
Bus or trolleybus 168 0.5% 16.7%
Motorcycle 48 0.2% 60.0%
Bicycle 40 0.1% 33.3%
Walk 464 1.5% 1.8%
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
65101 28,793 10,888 $74,807 $91,767
65109 41,145 17,306 $74,694 $95,927

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FAQs about Jefferson demographics 

What is the total population of Jefferson?

Jefferson has a total population of 69,933 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 -0.3% compared to a year ago.

What is the gender ratio in Jefferson?

The gender ratio in Jefferson is as follows:
  • 50.2% males (35,119 residents)
  • 49.8% females (34,814 residents)

What is the median age in Jefferson?

The median age in Jefferson is 39.

What is the age distribution of the population in Jefferson?

The age distribution in Jefferson is as follows:
  • Under 15: 17.4% (12,171 residents)
  • Ages 15-24: 13.4% (9,376 residents)
  • Ages 25-44: 27% (18,888 residents)
  • Ages 45-64: 24.7% (17,284 residents)
  • Over 65: 17.5% (12,213 residents)

What is the racial and ethnic makeup of Jefferson?

The racial and ethnic makeup of Jefferson is as follows:
  • White: 78.9% (55,173 residents)
  • Black or African American: 10.8% (7,554 residents)
  • American Indian and Alaska Native: 0.3% (231 residents)
  • Asian: 1.5% (1,070 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (5 residents)
  • Two or More Races: 6.8% (4,772 residents)
  • Other: 1.6% (1,128 residents)

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

U.S.-born citizens represent 96.3% of the population in Jefferson.

How many housing units are there in Jefferson?

There are 30,424 housing units in Jefferson, reflecting a +0.7% 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 28,192 households, with an average of 2 people in each.

What is the median household income in Jefferson?

Jefferson has a median household income of $74,750, representing a +2.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Jefferson?

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

Job types:
  • White-collar workers: 81% (28,267 residents)
  • Blue-collar workers: 19% (6,614 residents)

Places of employment:
  • Self-employed: 7.2% (2,507 residents)
  • Private companies: 56.3% (19,652 residents)
  • Governmental workers: 28% (9,770 residents)
  • Not-for-profit companies: 8.5% (2,953 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