Thornhill is a populated place in Canada. GeoNames lists its administrative area as Ontario.

Its mapped location is latitude 43.815° and longitude -79.4242° (WGS84). The recorded IANA time zone is America/Toronto. The country record uses the currency code CAD. The source record reports a population of 115,292; this is a recorded figure, not a live population count.

The GeoNames record was last modified on 2026-09-14. Use this page to explore the street map, local time, weather and currency reference tools. Community guides and useful local links can be added separately.