The Sprawl Index
St. Louis, MO--IL

Overall Sprawl Index Score: 94.51
ranking it 35th most sprawling of 83 metro areas measured.
A lower score on the index indicates a greater degree of sprawl. The average score for all metros ranked is 100. A lower score indicates below average conditions among these 83 US metro areas: for example, less compact housing, a poorer mix of homes and jobs, poor street connectivity, or weaker than average town centers. A score above 100 indicates above average performance, when compared to the other metro areas ranked. Most metro areas score between 50 and 150 on the scale.

What Makes a Place Sprawling:
The sprawl index measured sprawl in four ways. Below are index scores for this metro area.
See the report for a full explanation of each factor. (will link to report) 

Sprawl Factor                                     index score          ranking out of 83
                                                                                (most to least sprawling)

Residential Density Factor                      90.29                        27
Mix of homes, jobs, & services                107.44                       51 
Strength of town centers/downtowns      76.16                         15 
Accessibility of street network                105.99                       52





The Impact of Sprawl

Outcomes Affected by Sprawl in St. Louis:
                                                                          
Peak 8-hour ozone level (parts per billion):                         89
Fatal accidents per 100,000 persons:                                12.76
Daily Miles Driven per person (DVMT):                                28.4
Average number of vehicles per household:                        1.70
Percent of commuters using Transit:                                 2.54 %
Percent commuters walking to work:                                 1.68 % 
Average Commute Time, in minutes:                                  25.43
Average Annual Traffic Delay in hours:                               20.44

2000 Population: 2,540,138


MSA is Metropolitan Statistical Area. For more information on MSAs, PMSAs, CMSAs, and NECMAs, see the Census Bureau.

To view a map of Metropolitan Statistical Areas from the Census Bureau, click here (pdf).