St. Louis County, MO

County in Missouri, Midwest · ranked on 51 metrics

St. Louis County, MO is a county in Missouri with a population of 990,156 (54th of 3,094). It ranks best for Bachelor’s Degree or Higher (% of Adults 25+) (131st of 3,094), Homes with Broadband Internet (%) (215th of 3,094), Adults with Obesity (%) (tied 299th of 2,916). It ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (tied 2,350th of 3,092).

Population
990.2K
54th highest of 3,094
Density
1,949.1
75th highest of 3,094
Growth since 2020
-1.32%
2,214th highest of 3,094
Area
508
2,011th highest of 3,094
Region
Midwest
Missouri

Strengths and weak spotsPercentileWhere a place sits among all places, from 0 to 100. 100 is the best, 50 is the middle, 0 is the worst.More in the glossary →

Percentile on 21 metrics that rank at least half of all US counties, given whether higher or lower is better.

Totals that track populationCounts like “number of burglaries” that mostly reflect how many people live somewhere, so big places rank high or low regardless.More in the glossary →

Best at

Highest percentiles, given whether higher or lower is better

  1. Housing, Income and Commutes by County (Census) · 2024
    131st of 3,094
  2. Housing, Income and Commutes by County (Census) · 2024
    215th of 3,094
  3. Health of Adults by County (CDC PLACES) · 2023
    tied 232nd of 2,916
  4. Health of Adults by County (CDC PLACES) · 2023
    tied 299th of 2,916
  5. Housing, Income and Commutes by County (Census) · 2024
    487th of 3,093
  6. Health of Adults by County (CDC PLACES) · 2023
    tied 576th of 2,916
  7. Health of Adults by County (CDC PLACES) · 2023
    tied 620th of 2,916
  8. Health of Adults by County (CDC PLACES) · 2023
    tied 621st of 2,916
  9. Housing, Income and Commutes by County (Census) · 2024
    739th of 3,094
  10. Poorest Counties
    487th of 2,000

Worst at

Lowest percentiles, given whether higher or lower is better

  1. Housing, Income and Commutes by County (Census) · 2024
    tied 2,566th of 3,090
  2. Housing, Income and Commutes by County (Census) · 2024
    tied 2,350th of 3,092
  3. Climate by County (1991–2020 Averages)
    tied 1,954th of 3,050
  4. Health of Adults by County (CDC PLACES) · 2023
    tied 1,532nd of 2,916
  5. Climate by County (1991–2020 Averages)
    tied 1,434th of 3,050
  6. Health of Adults by County (CDC PLACES) · 2023
    tied 1,347th of 2,916
  7. Housing, Income and Commutes by County (Census) · 2024
    1,303rd of 3,094
  8. Health of Adults by County (CDC PLACES) · 2023
    tied 912th of 2,916
  9. Health of Adults by County (CDC PLACES) · 2022
    tied 920th of 3,094
  10. Health of Adults by County (CDC PLACES) · 2023
    tied 759th of 2,916

Profile by category

Average percentile per category, from the median line. Select a category to list its metrics.

Strongest category Health (73), weakest Economics (65). Select a category to list its metrics.

Notable facts

Where it ranks first or last among US counties

Never first or last on a widely ranked metric.

Where it is

Shaded by population; select a place to open it

Loading map…

Similar places

Closest percentiles on 19 widely reported measures from 6 categories, leaving out size and totals

  1. Compared on 18 of 19
  2. Compared on 18 of 19
  3. Compared on 17 of 19
  4. Nash County, NC80% similar
    Compared on 15 of 19
  5. Compared on 18 of 19

Quick answers

What is the population of St. Louis County, MO?
St. Louis County, MO has a population of 990,156, 54th among 3,094 US counties.
What does St. Louis County, MO rank best at?
Among US counties, St. Louis County, MO ranks best for Bachelor’s Degree or Higher (% of Adults 25+) (131st of 3,094); Homes with Broadband Internet (%) (215th of 3,094); Adults with Obesity (%) (tied 299th of 2,916).
Where does St. Louis County, MO rank worst?
St. Louis County, MO ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (tied 2,350th of 3,092).
How many statistics does Rankodex have for St. Louis County, MO?
Rankodex ranks St. Louis County, MO on 51 statistics compared with other US counties, compiled from World Population Review and the sources it cites.

Every metric

51 metrics with a value for this place, in 14 topics