Jefferson County, MO Demographics & Local Data

Analyze population trends, housing costs, and the local economy by exploring Map AI.

Area Snapshot

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

B
B
D

Population

Metric Jefferson County Missouri Avg U.S. Average
Population 229,453 6,177,646 334,821,731
Population density (per sq mi) 345.4 88.7 85.8
Population growth (%/yr) 0.38% 0.26% 0.57%
Median age 40.2 37.3 37.1
Households 87,025 2,484,450 128,459,983

Population Over Time

Year Jefferson County

Race & Ethnicity

Group Share

Economy

Jefferson County has a the economy index of B, which means it is quite prosperous.

Metric Jefferson County Missouri Avg U.S. Average
Median household income $80,557 $69,051 $78,145
Income growth (%/yr) 4.75% 4.84% 5.07%
Unemployment rate 3.6% 4.1% 5.2%

Detailed wealth and income breakdown →

Housing

Metric Jefferson County Missouri Avg U.S. Average
Median home price $184,340 $136,017 $242,182
Median rent $972 $995 $1,342
Homeownership rate 81.4% 67.9% 65.1%

Full housing market analysis →

Mobility & Commuting

The most common departure window is 07:00 AM – 07:29 AM , followed by 06:30 AM – 06:59 AM .

Metric Jefferson County Missouri Avg U.S. Average
Average commute time (min) 30.6 21.0 22.5
Work from home 10.1% 11.6% 13.4%

Commute and transport details →

Education & Households

Jefferson County has a education index of D, which means it is barely educated.

Metric Jefferson County Missouri Avg U.S. Average
Bachelor's degree or higher 21.5% 28.8% 31.6%
Average household size 2.60 2.42 2.54

Health

Jefferson County has a health index of B, which means it is quite healthy.

Metric Jefferson County Missouri Avg U.S. Average
Life expectancy (years) 76.4 76.9 78.3
Self-rated poor health 14.9% 19.0% 16.3%
Smokers 22.2% 22.8% 19.0%