Ballwin is a populated place in United States. GeoNames lists its administrative area as Missouri.

Its mapped location is latitude 38.59505° and longitude -90.54623° (WGS84). The recorded IANA time zone is America/Chicago. The country record uses the currency code USD. The source record reports a population of 30,577; this is a recorded figure, not a live population count.

The GeoNames record was last modified on 2026-09-16. 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.