St. Louis 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
A

Population

Metric St. Louis County Missouri Avg U.S. Average
Population 986,709 6,177,646 334,821,731
Population density (per sq mi) 1884.5 88.7 85.8
Population growth (%/yr) -0.08% 0.26% 0.57%
Median age 40.4 37.3 37.1
Households 414,604 2,484,450 128,459,983

Population Over Time

Year St. Louis County

Race & Ethnicity

Group Share

Economy

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

Metric St. Louis County Missouri Avg U.S. Average
Median household income $81,817 $69,051 $78,145
Income growth (%/yr) 4.23% 4.84% 5.07%
Unemployment rate 4.2% 4.1% 5.2%

Detailed wealth and income breakdown →

Housing

Metric St. Louis County Missouri Avg U.S. Average
Median home price $216,584 $136,017 $242,182
Median rent $1,163 $995 $1,342
Homeownership rate 69.0% 67.9% 65.1%

Full housing market analysis →

Mobility & Commuting

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

Metric St. Louis County Missouri Avg U.S. Average
Average commute time (min) 22.0 21.0 22.5
Work from home 16.3% 11.6% 13.4%

Commute and transport details →

Education & Households

St. Louis County has a education index of A, which means it is very educated.

Metric St. Louis County Missouri Avg U.S. Average
Bachelor's degree or higher 43.1% 28.8% 31.6%
Average household size 2.36 2.42 2.54

Health

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

Metric St. Louis County Missouri Avg U.S. Average
Life expectancy (years) 78.6 76.9 78.3
Self-rated poor health 14.6% 19.0% 16.3%
Smokers 15.8% 22.8% 19.0%