Guelph sits at City Score rank #151 with a standing of 51%, from 8 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. Dropping 39 places versus 2022 (#112 → #151).
Latest owned placements: building permit value rank #17 of 25 (2025); indoor radon rank #70 of 327 at 131 Bq/m³ survey mean; residential mill rate rank #42 of 57 (11.93 mill rate). Full tables and method notes live on each study edition; atlas readings for the same slug open from the topic buttons.
Against the national corpus, Guelph carries a City Score standing of 51% (rank #151 of 343) with 8 of 8 pillars observed. That sits 2 points below the Ontario peer average across 123 ranked cities. Within Ontario, Guelph ranks #73 of 123 on City Score.
The strongest signal in the current chart is property tax (standing 74%, rank #42 of 57, raw score 11.92760055478502). The weakest observed pillar is drinking-water hardness (standing 0%, rank #1 of 343). Crime severity uses the Statistics Canada police-service CSI mapped to Guelph, Ontario (table 35100026), not a regional proxy.
Drinking-water hardness on the water atlas reads 460 mg/L as CaCO₃ for Guelph. Compare that figure to the hardness pillar on the chart and to the national hardness guide on the hub.
