St. Catharines sits at City Score rank #29 with a standing of 60%, from 7 of 8 open-data pillars (tax, construction, connectivity, indoor air, water, seismic hazard, growth, safety). Missing pillars score at median standing so thin coverage cannot inflate the rank. The chart below shows how that standing moves year to year.
Latest owned placements: indoor radon rank #283 of 327 at 57 Bq/m³ survey mean; residential mill rate rank #34 of 57 (13.23 mill rate). Full tables and method notes live on each study edition; atlas readings for the same slug open from the topic buttons.
In the 2025 City Score edition, St. Catharines carries a City Score standing of 60% (rank #29 of 343) with 7 of 8 pillars observed. That sits 8 points above the Ontario peer average across 123 ranked cities. Within Ontario, St. Catharines ranks #18 of 123 on City Score.
The strongest signal in the current chart is police-reported crime severity (standing 87%, rank #89 of 102, 53.8 CSI). The weakest observed pillar is seismic hazard (standing 24%, rank #81 of 343). Crime severity uses the Statistics Canada police-service CSI mapped to Niagara Regional Police Service (StatCan CMA police area) (table 35100026), not a regional proxy.
Drinking-water hardness on the water atlas reads 130 mg/L as CaCO₃ for St. Catharines. Compare that figure to the hardness pillar on the chart and to the national hardness guide on the hub.
