Mason County URL: https://knowledge.ivjn.us/en/places/tx-mason-county.html Mason County is a county of Texas, United States. ## Overview Mason County is a county of [Texas](https://knowledge.ivjn.us/en/places/texas.html), United States (FIPS tx319), with a population of about 3,953[^geonames]. ## Geography - Coordinates: 30.7177, -99.2261 - Time zone: America/Chicago Updated: 2026-10-29 Relations: - Located in: Texas https://knowledge.ivjn.us/en/places/texas.html - Contains places: Mason https://knowledge.ivjn.us/en/places/tx-mason.html Mentioned in: - Mason https://knowledge.ivjn.us/en/places/tx-mason.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip