Jefferson County is a county of 7,068 people in Mississippi. Four-year degrees are less common here than nationally, at 13% of adults. The poverty rate is 32.5%, above the 12.5% national rate. Owners hold 83% of the housing stock. The typical home is worth $81,300, having more than doubled since 2000. 0% of people here were born outside the United States.
At a glance
Lower income
median household income $38,305, below the US median
US median: $82,259
Older
median age 43.1
US median: 38.9
Less educated
13% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Jefferson County
What changed most since 1990
Median age28.5 → 43.1(+14.6 years)US over the same years: +6.0 years
Poverty rate46.9% → 32.5%(−14.4 pts)US over the same years: −0.8 pts
Adults with a bachelor's degree10.3% → 13.4%(+3.1 pts)US over the same years: +15.3 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)20.7%(55)
US avg: 26.4%
Gulf War (1990s)18%(48)
US avg: 24.3%
Vietnam era33.1%(88)
US avg: 33.1%
Korean War10.5%(28)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 266 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Jefferson County, decade by decade
Jefferson County population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
8,653
$24,642
$83,042
10.3%
30.1
2000
9,740
$33,604
$76,327
10.6%
30.5
2010
7,726
$34,963
$96,384
20.5%
31.4
2020
7,260
$35,784
$75,146
19.1%
33.8
2024
7,068
$38,305
$81,300
13.4%
36.9
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Jefferson County, Mississippi?
Jefferson County, Mississippi has about 7,068 residents according to the 2024 American Community Survey.
What is the median household income in Jefferson County, Mississippi?
The typical household in Jefferson County, Mississippi earns about $38,305 a year. Half of households make more than that, and half make less.
Is Jefferson County, Mississippi expensive?
In Jefferson County, Mississippi, the median home is worth about $81,300, and the typical rent is about $448 a month.
How educated are people in Jefferson County, Mississippi?
About 13.4% of adults age 25 and over in Jefferson County, Mississippi hold a bachelor's degree or higher.
What is the poverty rate in Jefferson County, Mississippi?
About 32.5% of people in Jefferson County, Mississippi live below the federal poverty line.
Has Jefferson County, Mississippi grown since 1990?
Yes, Jefferson County, Mississippi has shrunk since 1990. The population has lost about 1,585 residents, a change of about -18 percent over that period.
