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Jefferson, MO Founded 1821 Cole County Elev. 192 m
With about 42,565 residents, Jefferson is one of Missouri's notable places. Jefferson was founded in 1821 and sits in Cole County. The median age is 39.1 and the median household income is $67,205. Homes carry a median value of $208,000, and about 59% of residents own where they live. White residents make up the largest share of the population (71.2%). Around 37% of adults hold a bachelor's degree or higher, and the typical commute runs about 16 minutes.
Source: U.S. Census Bureau, American Community Survey (5-year).
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Demographics Median household income
$67,205
High-school grad or higher
92%
Bachelor's degree or higher
36.9%
Residents by race & ethnicity
White 71.2%
Hispanic or Latino 4.2%
Black 17.3%
Asian 2.8%
Workforce by occupation
Management, business, science & arts 43.3%
Sales & office 21.5%
Service 16.4%
Production, transportation & material moving 10.2%
Natural resources, construction & maintenance 8.6%
Source: U.S. Census Bureau, American Community Survey (5-year).
Median home value
$208,000
Area-level figures. Source: U.S. Census Bureau, ACS (5-year). Parcel-level records coming next.
Public, private and charter schools serving Jefferson.
Data source being added: U.S. Dept. of Education / NCES (public). We show real, sourced figures only — never estimates.
Violent and property crime rates for Jefferson vs Missouri and national averages.
Data source being added: FBI Crime Data Explorer (UCR/NIBRS, public). We show real, sourced figures only — never estimates.
Environment
Environmental hazards Toxic-release sites and regulated facilities in and around Jefferson.
Data source being added: U.S. EPA — Toxics Release Inventory (public). We show real, sourced figures only — never estimates.
Risk
Natural disaster risk Relatively Low Top hazards · Cole County
Ice storm Relatively High
Heat wave Relatively Moderate
Lightning Relatively Moderate
Riverine flooding Relatively Moderate
Strong wind Relatively Moderate
Tornado Relatively Moderate
County-level natural-hazard risk. Source: FEMA National Risk Index.
Jefferson is in Cole County — see county-wide risk, demographics, and registry.
Jefferson was founded in 1821 and sits in Cole County. Elevation ~192 m.
Population trend
44K 33K 42,565 1980 2024 Where Jefferson is
Kansas St. Louis Springfield Columbia Independence Lee's Summit Jefferson Historic places
38 on the National Register of Historic Places.
Notable people from Jefferson
People searches in Jefferson
Common questions
Jefferson — frequently asked What is the population of Jefferson, Missouri?
Jefferson has a population of about 42,565, according to the U.S. Census Bureau's American Community Survey (5-year).
What is the average home value in Jefferson?
The median home value in Jefferson is $208,000, and the median gross rent is $766/month (U.S. Census ACS).
What natural-disaster risks does Jefferson face?
FEMA's National Risk Index rates Cole County as "Relatively Low" overall, with top hazards including ice storm, heat wave, lightning.
How many registered sex offenders are in Jefferson?
Public registry data lists 0 registered sex offenders in or near Jefferson. This is neighborhood-safety information from the public state registry.
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